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1. First description of movement and ranging behavior of the Griffon vulture (Gyps fulvus) from Serbia using GPS satellite tracking

Author

Hribšek Irena, Plećaš Milan, Skorić Stefan, and Marinković Saša

Subjects
griffon vulture gyps fulvus, necrophagous species, ranging behavior, seasonal movements, conservation, Biology (General), QH301-705.5
Abstract

Understanding the movement pattern and ranging behavior of the Griffon vulture population in Serbia is of great importance for prioritizing conservation action. In 2011, an immature vulture was the first bird to be equipped with a satellite transmitter in Serbia. Our study aims to define the vulture’s foraging areas, home ranges, core and basic areas, and to investigate movement patterns across different years and seasons by analyzing satellite telemetry data. We tracked the movements of the vulture for over three years and obtained satellite tracking data for 34 bird-months (1976 GPS fixes) between October 2011 and July 2014. We determined that the overall foraging area of the vulture across the entire study period was 11654.34 km2. The overall area used by the vulture was larger during spring and summer than during winter periods. Combined ranges across all years identified one basic area and its associated core area around the Uvac colony and nearby feeding site; we identified three core areas in its proximity. This study showed that areas of traditional stock-raising practices are important vulture foraging areas and that supplementary feeding sites have a vital role. Our maps can be used for future planning of vulture conservation measures.

Published
2021
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2. Diet patterns of water green frogs (Pelophylax esculentus complex) in mixed population systems in Serbia.

Author

BREKA, KATARINA V., PLEĆAŠ, MILAN, VESOVIĆ, NIKOLA, STOJANOVIĆ, KATARINA, DUDIĆ, BORIS, and STAMENKOVIĆ, SRĐAN Ž.

Subjects
*DIETARY patterns, *RANA temporaria, *FROG populations, *COMPOSITION of feeds, *HYMENOPTERA
Abstract

Population systems in which all three taxa of the Pelophylax esculentus complex coexist are rare and in Serbia can only be found along the Danube. Although several studies describe the diet in populations with only one taxon, there is a lack of data from mixed populations. We studied the diet in mixed populations of edible frogs at three sites for three years. We collected gut contents from 221 adult frogs using the stomach flushing method and identified 1,477 prey items. The diet consisted mainly of insects (88%). For all three taxa, the most frequently consumed prey groups were Hymenoptera (28%), Coleoptera (18%), Lepidoptera (17%) and Diptera (11%). Larger prey (in terms of length and volume) was mainly consumed by P. ridibundus, followed by P. esculentus. The smallest prey were mainly consumed by P. lessonae. However, P. ridibundus consumed fewer prey items than P. lessonae. No significant difference was found between the taxa in the staple diet, while there were differences in the less abundant prey categories, especially between P. ridibundus and P. lessonae. The narrowest trophic niche width was observed in P. lessonae, followed by P. esculentus, and the widest in P. ridibundus. Our results suggest that the diet of the three taxa is diverse and consists of a large number of invertebrate groups. However, the diet was locality-specific, with the dominance of different prey groups in different localities depending on habitat characteristics. These results confirm our expectation that the frogs of the Pelophylax esculentus complex follow an opportunistic foraging strategy, as predicted by optimal foraging theory. [ABSTRACT FROM AUTHOR]

Published
2024
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3. Crop pests and predators exhibit inconsistent responses to surrounding landscape composition

Author

Karp, Daniel S., Chaplin-Kramer, Rebecca, Meehan, Timothy D., Martin, Emily A., DeClerck, Fabrice, Grab, Heather, Gratton, Claudio, Hunt, Lauren, Larsen, Ashley E., Martínez-Salinas, Alejandra, O’Rourke, Megan E., Rusch, Adrien, Poveda, Katja, Jonsson, Mattias, Rosenheim, Jay A., Schellhorn, Nancy A., Tscharntke, Teja, Wratten, Stephen D., Zhang, Wei, Iverson, Aaron L., Adler, Lynn S., Albrecht, Matthias, Alignier, Audrey, Angelella, Gina M., Anjum, Muhammad Zubair, Avelino, Jacques, Batáry, Péter, Baveco, Johannes M., Bianchi, Felix J. J. A., Birkhofer, Klaus, Bohnenblust, Eric W., Bommarco, Riccardo, Brewer, Michael J., Caballero-López, Berta, Carrière, Yves, Carvalheiro, Luísa G., Cayuela, Luis, Centrella, Mary, Ćetković, Aleksandar, Henri, Dominic Charles, Chabert, Ariane, Costamagna, Alejandro C., De la Mora, Aldo, de Kraker, Joop, Desneux, Nicolas, Diehl, Eva, Diekötter, Tim, Dormann, Carsten F., Eckberg, James O., Entling, Martin H., Fiedler, Daniela, Franck, Pierre, van Veen, F. J. Frank, Frank, Thomas, Gagic, Vesna, Garratt, Michael P. D., Getachew, Awraris, Gonthier, David J., Goodell, Peter B., Graziosi, Ignazio, Groves, Russell L., Gurr, Geoff M., Hajian-Forooshani, Zachary, Heimpel, George E., Herrmann, John D., Huseth, Anders S., Inclán, Diego J., Ingrao, Adam J., Iv, Phirun, Jacot, Katja, Johnson, Gregg A., Jones, Laura, Kaiser, Marina, Kaser, Joe M., Keasar, Tamar, Kim, Tania N., Kishinevsky, Miriam, Landis, Douglas A., Lavandero, Blas, Lavigne, Claire, Le Ralec, Anne, Lemessa, Debissa, Letourneau, Deborah K., Liere, Heidi, Lu, Yanhui, Lubin, Yael, Luttermoser, Tim, Maas, Bea, Mace, Kevi, Madeira, Filipe, Mader, Viktoria, Cortesero, Anne Marie, Marini, Lorenzo, Martinez, Eliana, Martinson, Holly M., Menozzi, Philippe, Mitchell, Matthew G. E., Miyashit, Tadashi, Molina, Gonzalo A. R., Molina-Montenegro, Marco A., O’Neal, Matthew E., Opatovsky, Itai, Ortiz-Martinez, Sebaastian, Nash, Michael, Östman, Örjan, Ouin, Annie, Pak, Damie, Paredes, Daniel, Parsa, Soroush, Parry, Hazel, Perez-Alvarez, Ricardo, Perović, David J., Peterson, Julie A., Petit, Sandrine, Philpott, Stacy M., Plantegenest, Manuel, Plećaš, Milan, Pluess, Therese, Pons, Xavier, Potts, Simon G., Pywell, Richard F., Ragsdale, David W., Rand, Tatyana A., Raymond, Lucie, Ricci, Benoît, Sargent, Chris, Sarthou, Jean-Pierre, Saulais, Julia, Schäckermann, Jessica, Schmidt, Nick P., Schneider, Gudrun, Schüepp, Christof, Sivakoff, Frances S., Smith, Henrik G., Whitney, Kaitlin Stack, Stutz, Sonja, Szendrei, Zsofia, Takada, Mayura B., Taki, Hisatomo, Tamburini, Giovanni, Thomson, Linda J., Tricault, Yann, Tsafack, Noelline, Tschumi, Matthias, Valantin-Morison, Muriel, Van Trinh, Mai, van der Werf, Wopke, Vierling, Kerri T., Werling, Ben P., Wickens, Jennifer B., Wickens, Victoria J., Woodcock, Ben A., Wyckhuys, Kris, Xiao, Haijun, Yasuda, Mika, Yoshioka, Akira, and Zou, Yi

Published
2018

4. Diversity of parasitoid wasps (Insecta, Hymenoptera) in oilseed rape fields in Serbia.

Author

Plećaš, Milan, Žikić, Vladimir, Korana Kocić, Korana, Čkrkić, Jelisaveta, Petrović, Anđeljko, and Tomanović, Željko

Subjects
HYMENOPTERA, PARASITOIDS, RAPESEED, HOST-parasite relationships, CLASSIFICATION of insects
Abstract

Background: Oilseed rape is an important crop grown worldwide and used for various purposes, including oil extraction and animal feed. In Europe, there are six major pest species and several other minor pests that can significantly affect oilseed rape production, requiring growers to effectively control them in order to ensure crop yield. The host-parasitoid complexes of these pests have been studied in detail and recorded mainly in western, central and northern Europe. As an abundant source of pollen and nectar, oilseed rape may also be attractive to other parasitoids that do not have direct trophic interactions with oilseed rape pest species. The aim of this study is to fill the knowledge gap regarding the wider parasitoid community in oilseed rape fields, particularly in southern Europe. New information: During the two-year study, a total of 3135 specimens of primary and secondary parasitoids were sampled, of which 2855 were found in oilseed rape fields and 280 in semi-natural habitats. We found 153 taxa, of which 119 were found in oilseed rape fields and 87 in seminatural habitats. We identified 31 genera (33 species) as parasitoids of oilseed rape pests, 54 genera (97 species) parasitising non-pest species and 10 genera (23 species) as possible parasitoids of oilseed rape pests. This study shows that the parasitoid community in oilseed rape fields is very diverse and that includes parasitoids of both oilseed rape pest and non-pest species. [ABSTRACT FROM AUTHOR]

Published
2023
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6. FURTHER RANGE EXPANSION OF THE SCULPTURED RESIN BEE (MEGACHILE SCULPTURALIS) IN SERBIA AND BOSNIA & HERZEGOVINA

Author

Bila Dubaić Jovana, Raičević Jovana, Plećaš Milan, Lanner Julia, Nikolić Petar, Žikić Vladimir, Stanisavljević Ljubiša, and Ćetković Aleksandar

Subjects
invasive alien bees, introduced pollinators, southeastern Europe, monitoring, citizen science
Abstract

Megachile sculpturalis is the first non-native bee species established in Europe, originating from E-Asia. Since early detections in SW-Europe (2008���2010) its spreading resulted in a range currently spanning nearly 2,800 km x 1,100 km across the southern and central Europe. In SE-Europe establishment was confirmed since 2015 in NE-Hungary, followed by detection in N-Serbia (2017), and wider spreading across the eastern Pannonian Plain (2018���2019); eventually it was detected in NW-Bosnia & Herzegovina (2020). Accordingly, the repeated calls for monitoring of M. sculpturalis spread were voiced, aiming to address its potential invasiveness, but mostly lacking a more specific assessment protocol. A 'working concept' for a comprehensive monitoring of M. sculpturalis was proposed within the survey conducted in Belgrade (Serbia) during 2017���2019, based on quantitative assessment of bee population trends in relation to focal plant resources. There was a need to improve and broaden this initial framework, e.g., to allow for different spatio-temporal scales and various potential usage requirements. Therefore, in 2020 we considerably extended the research scope, defined at two spatial scales: LOCAL, for the Belgrade area ��� the continuation of protocol development, through a high-intensity assessment of M. sculpturalis abundance, bionomics, and distribution, in parallel with assessment of extended set of relevant plants (and potential bee-plant interactions); REGIONAL, a survey covering the bee spreading across Serbia and Bosnia & Herzegovina, aiming to provide a reference time-section in expanding SE-European front, while also extending the knowledge of its environmental affinities. The study included the launching of a pioneering citizen science project, which enabled a remarkable geographic coverage despite modest return of positive reports. The Belgrade-scale survey yielded a modest increase in recorded locations, relative to 2019, but the recording efficiency was decreased, despite a much intensified surveying efforts and extended coverage. This corroborated the importance of inter-seasonal variation of key food resources, which affects both the population dynamics and detectability of this bee, through alternating concentration and dilution effects. We confirmed the strong association of detection success with availability and variability of blooming Styphnolobium, at both scales, indicating the highest relevance of inclusion of this plant into monitoring assessment protocols. The established phenological extent of M. sculpturalis activity (>70 days) also closely corresponded with the phenology of Styphnolobium blooming; yet it does not represent the entire phenological span for the region. Almost no record came from surveying other plants. The regional expansion of M. sculpturalis during 2017���2020 is documented from 19 wider locations (16 added in 2020). It is particularly well established in the Pannonian, and to a lesser extent in peri-Pannonian area of Serbia and B&H, while the approximated range extent was likely doubled during 2019���2020. Further south records were scarce, indicating the slower expansion across the hilly-mountainous part of the Balkans. Records largely came from urban or other settlements, only about a third from semi-natural or agricultural environments., {"references":["Aguado, O., Hernández-Castellano, C., Bassols, E., Miralles, M., Navarro, D., Stefanescu, C., & Vicens, N. (2018). Megachile (Callomegachile) sculpturalis Smith, 1853 (Apoidea: Megachilidae): a new exotic species in the Iberian Peninsula, and some notes about its biology. Butlletí de la Institució Catalana d'Història Natural, 82, 157-162. Aizen, M. A., Arbetman, M. P., Chacoff, N. P., Chalcoff, V. 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Sculptured Resin Bee (Megachile sculpturalis). Observed on August 5, 2019: 21000, Split, Croatie. Retrieved from: https://www.inaturalist.org/observations/37059640 [Accessed on: February 2020]. QGIS Development Team. (2018). QGIS Geographic Information System. Open Source Geospatial Foundation. Quaranta, M., Sommaruga, A., Balzarini, P., & Felicioli, A. (2014). A new species for the bee fauna of Italy: Megachile sculpturalis continues its colonization of Europe. Bulletin of Insectology, 67(2), 287-293. Rasmont, P., Devalez, J., Pauly, A., Michez, D., & Radchenko, V. G. (2017). Addition to the checklist of IUCN European wild bees (Hymenoptera: Apoidea). Annales de la Société entomologique de France (N.S.), 53(1), 17-32. https://doi.org/10.1080/00379271.2017.1307696 Resl, J. (2018). Megachile (Callomegachile) sculpturalis Smith, 1853. In: Scarabaeidae; Aktivity; Zajímavé objevy. 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Updated distribution of the invasive Megachile sculpturalis (Hymenoptera: Megachilidae) in Italy and its first record on a Mediterranean island. Biodiversity Data Journal, 8, e57783. https://doi.org/10.3897/BDJ.8.e57783 Sasaki, Y., & Maeta, Y. (1994). Occurrence of fresh adults of Chalicodoma sculpturalis (Smith) in autumn (Hymenoptera: Megachilidae). [In Japanese, English abstract]. Chugoku Kontyu, 8, 37-48. Sasaki, Y., & Maeta, Y. (2018). Diurnal activity and reproduction of Megachile (Callomegachile) sculpturalis Smith (Hymenoptera, Megachilidae). [In Japanese, English abstract]. Bulletin of the Hoshizaki Green Foundation, 21, 209-218. Soroye, P., Ahmed, N., & Kerr, J. T. (2018). Opportunistic citizen science data transform understanding of species distributions, phenology, and diversity gradients for global change research. Global Change Biology, 24(11), 5281-5291. https://doi.org/10.1111/gcb.14358 Stout, J. C., & Morales, C. L. (2009). Ecological impacts of invasive alien species on bees. Apidologie, 40(3), 388-409. https://doi.org/10.1051/apido/2009023 Straffon Díaz, S., Carisio, L., Manino, A., Biella, P., & Porporato, M. (2021). Nesting, sex ratio and natural enemies of the giant resin bee in relation to native species in Europe. Insects, 12, 545. https://doi.org/10.3390/insects12060545 Tepedino, V. J., & Stanton, N. L. (1981). Diversity and competition in bee-plant communities on short-grass prairie. Oikos, 36(1), 35-44. https://doi.org/10.2307/3544376 Theobald, E. J., Ettinger, A. K., Burgess, H. K., DeBey, L. B., Schmidt, N. R., Froehlich, H. E., Wagner, C., Hille Ris Lambers, J., Tewksbury, J., Harsch, M. A., & Parrish, J. K. (2015). Global change and local solutions: Tapping the unrealized potential of citizen science for biodiversity research. Biological Conservation, 181, 236-244. https://doi.org/10.1016/j.biocon.2014.10.021 Vanbergen, A. J., Espindola, A., & Aizen, M. A. (2018). Risks to pollinators and pollination from invasive alien species. Nature Ecology & Evolution, 2(1), 16-25. https://doi.org/10.1038/s41559-017-0412-3 Vereecken, N. J., & Barbier, E. (2009). Premières données sur la présence de l'abeille asiatique Megachile (Callomegachile) sculpturalis Smith (Hymenoptera, Megachilidae) en Europe. Osmia, 3, 4-6. https://doi.org/10.47446/OSMIA3.3 Westrich, P. (2017). Erstnachweis der Asiatischen Mörtelbiene (Megachile sculpturalis) in Österreich! [Projekte Megachile sculpturalis 7]. Retrieved from: https://www.wildbienen.info/forschung/projekte_17.php [Accessed on: August 2019]. Westrich, P. (2020). Neues zur Ausbreitung der Mörtelbiene Megachile sculpturalis Smith 1853 (Hymenoptera: Anthophila) in Deutschland – Stand Oktober 2019. Eucera, 14, 12-15. Westrich, P., Knapp, A., & Berney, I. (2015). Megachile sculpturalis Smith 1853 (Hymenoptera, Apidae), a new species for the bee fauna of Germany, now north of the Alps. Eucera, 9, 3-10. Wu, Y. R. (2006). Hymenoptera, Megachilidae. Fauna Sinica, Insecta. Vol. 44. [In Chinese, English summary]. Science Press, Beijing."]}

Published
2021

7. Preparations based on medicinal plants usable in urban agriculture

Author

Filipović, Vladimir, Popović, Vera, Ugrenović, Vladan, Popović, Slobodan, Plećaš, Milan, Raičević, Jovana, and Terzić, Dragan

Subjects
plant nutrition products, plant protection products, compost, plant production, preparations, urban agriculture, medicinal plants
Abstract

The paper presents the possibilities of using different types of preparations prepared from certain types of medicinal plants, which can be used in plant nutrition and protection, as well as in the composting process for the needs of plant cultivation in urban agriculture. The trend of importance of urban agriculture, both in terms of food safety and innovative practices, is increasingly present in highly developed countries as well as developing countries. This type of agriculture can play an important role in justice and fairness in terms of food distribution, but also in improving air quality, biodiversity and ecosystem services. In this regard, the application of preparations based on medicinal plants introduces innovative methods of urban agriculture that can be considered a tool to ensure future food safety. U radu se prikazuju mogućnosti upotrebe različitih vrsta pripravaka pripremljenih od pojedinih vrsta lekovitog bilja, a koji se mogu primenjivati u ishrani i zaštiti bilja, kao i u procesu kompostiranja za potrebe gajenja bilja u urbanoj poljoprivredi. Trend značaja urbane poljoprivrede kako u pogledu bezbednosti hrane, tako i u inovativnim praksama je sve više prisutan kako u visokorazvijenim, tako i državama u razvoju. Ova vrsta poljoprivrede može igrati važnu ulogu u pravdi i pravičnosti u pogledu hrane, ali i unapređenju kvaliteta vazduha, biodiverziteta i eko-sistemskih usluga. S tim u vezi, primenom pripravaka na bazi lekovitog bilja uvode se inovativne metode urbane poljoprivrede koje se mogu smatrati alatom za osiguravanje buduće sigurnosti hrane.

Published
2021

8. Early-phase colonisation by introduced sculptured resin bee (Hymenoptera, Megachilidae, Megachile sculpturalis) revealed by local floral resource variability.

Author

Dubaić, Jovana Bila, Plećaš, Milan, Raičević, Jovana, Lanner, Julia, and Ćetković, Aleksandar

Subjects
*BEES, *HYMENOPTERA, *POPULATION density
Abstract

There is a growing interest to document and better understand patterns and processes involved in nonnative bee introductions and subsequent colonisation of new areas worldwide. We studied the spread of the East Asian bee Megachile sculpturalis in Serbia and south-eastern Europe; the bee was earlier established in the USA (since 1994) and western Europe (since 2008). Its establishment in Serbia remained dubious throughout most of 2017–2019, following its first detection. We hereby report on its establishment and spreading, which were corroborated in 2019 under specific circumstances. Owing to an exceptionally poor blooming of Styphnolobium japonicum in 2019, we recorded a high activity density of M. sculpturalis concentrated on a scarce key food resource. We present a novel quantitative approach for an improved early detection of M. sculpturalis, based on the interplay between the bee local occurrence pattern and dynamics of key food-plant(s) availability. This approach seems particularly effective during the early-phase colonisation, at initially low population density of introduced bees. We address the importance of integration of the genuine plant usage patterns with context-specific bee assessment options in establishing effective monitoring. The improved understanding of M. sculpturalis local dynamics triggered the questions about possible origin(s) and modes of its dispersal east of the Alps. To explore the possible scenarios of M. sculpturalis introduction(s), we extended the study to a wider spatio-temporal context – the region of SE Europe (2015–2019). The two complementary study approaches (at local and regional scale) provided more comprehensive evidence of bee dispersal history and the detection patterns in varied recording contexts. Based on this two-scale approach, we suggest that a diffusive mode of M. sculpturalis introduction into Serbia now seems to be a more plausible scenario (than a long-distance jump). We argue that the integration of outcomes from the contrasting approaches (a systematic surveillance, based on plant resources and a broad-scale opportunistic recording) could be of great methodological relevance for the development of future monitoring protocols. [ABSTRACT FROM AUTHOR]

Published
2022
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9. Diaeretellus nymphaealis sp. n. (Hymenoptera, Braconidae, Aphidiinae) – a new member of aphid parasitoid guilds associated with wetland habitats, with a key for identification of Diaeretellus species.

Author

Čkrkić, Jelisaveta, Kocić, Korana, Plećaš, Milan, Petrović, Andjeljko, and Tomanović, Željko

Subjects
HYMENOPTERA, BRACONIDAE, HABITATS, WETLANDS, APHIDS, HOST plants, SPECIES
Abstract

The genus Diaeretellus is a small group of Aphidiinae wasps, comprising five species from the Palaearctic so far. All members of the genus are highly specialised to semi-aquatic habitats and aphid hosts and plants that occupy them. Because they have practically no economic importance as biocontrol agents, the biology of Diaeretellus species is still somewhat unknown. We describe a new species of this genus, Diaeretellus nymphaealis sp. nov., another member of aphid-parasitoid guilds from wetland habitats and the first species of the genus to be described from the Nearctic. Wetland habitats are under considerable anthropogenic pressure and as such require intensive conservation efforts. Placing the focus of conservation strategies on hyperdiverse entomofauna, instead of only charismatic megafauna, can have positive effects on their outcomes. [ABSTRACT FROM AUTHOR]

Published
2022
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10. Seasonal and diel movement patterns of brown bears in a population in southeastern Europe.

Author

Bogdanović, Neda, Hertel, Anne G., Zedrosser, Andreas, Paunović, Milan, Plećaš, Milan, and Ćirović, Duško

Subjects
BROWN bear, BEAR populations, CARNIVOROUS animals, PREDATION, COMPETITION (Biology), ANIMAL mechanics, HYPERPHAGIA
Abstract

Most animals concentrate their movement into certain hours of the day depending on drivers such as photoperiod, ambient temperature, inter-or intraspecific competition, and predation risk. The main activity periods of many mammal species, especially in human-dominated landscapes, are commonly set at dusk, dawn, and during nighttime hours. Large carnivores, such as brown bears, often display great flexibility in diel movement patterns throughout their range, and even within populations, striking between individual differences in movement have been demonstrated. Here, we evaluated how seasonality and reproductive class affected diel movement patterns of brown bears of the Dinaric-Pindos and Carpathian bear populations in Serbia. We analyzed the movement distances and general probability of movement of 13 brown bears (8 males and 5 females) equipped with GPS collars and monitored over 1-3 years. Our analyses revealed that movement distances and probability of bear movement differed between seasons (mating versus hyperphagia) and reproductive classes. Adult males, solitary females, and subadult males showed a crepuscular movement pattern. Compared with other reproductive classes, females with offspring were moving significantly less during crepuscular hours and during the night, particularly during the mating season, suggesting temporal niche partitioning among different reproductive classes. Adult males, solitary females, and in particular subadult males traveled greater hourly distances during the mating season in May-June than the hyperphagia in July-October. Subadult males significantly decreased their movement from the mating season to hyperphagia, whereas females with offspring exhibited an opposite pattern with almost doubling their movement from the mating to hyperphagia season. Our results provide insights into how seasonality and reproductive class drive intrapopulation differences in movement distances and probability of movement in a recovering, to date little studied, brown bear population in southeastern Europe. [ABSTRACT FROM AUTHOR]

Published
2021
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11. STATUS OF THE POTENTIALLY INVASIVE ASIAN SPECIES SCELIPHRON DEFORME IN EUROPE, AND AN UPDATE ON THE DISTRIBUTION OF S. CURVATUM (HYMENOPTERA: SPHECIDAE)

Author

Ćetković, Aleksandar, Mokrousov, Mikhail, Plećaš, Milan, Bogusch, Petr, Antić, Dragan, Đorović-Jovanović, Ljiljana, Krpo-Ćetković, Jasmina, Karaman, Marko, and S. ĐUKIĆ, D. PAVIĆEVIĆ, M. PAUNOVIĆ, S. OGNJENOVIĆ, D. SAVIĆ, T. MILIVOJEVIĆ, I. VASILIĆ, V. MILUTINOVIĆ, S. POPOVIĆ, M. BOŠKOVIĆ, S. NEDOVIĆ, J. PLAVŠIĆ, A. TOMIĆ, S. ČKRKIĆ, A. RUCHIN, P. HLAVAČ, P. KMENT, F. GUSENLEITNER, E, AKULOV, A. STOJANOVIĆ

Subjects
QL, Entomology, Insects Systematics, Insecs Ecology
Abstract

We reviewed the distribution of the two Asian species of the genus Sceliphron Klug, introduced into Europe in the late 1970s to early 1980s: S. (Hensenia) curvatum (Smith) and S. (Hensenia) deforme (Smith). Both species are routinely considered as invasive in Europe, but the status and effects of their (eventual) invasiveness are yet to be documented and evaluated. We had a focus on two areas, the Balkan Peninsula and European Russia, based principally on the study of specimens collected over the last 15 years, but we also reviewed the extensive published evidence (including some very important internet-based records), and for S. curvatum we provided a concise overview of the entire European range. We confirmed that the latter recorded species, S. deforme, has been introduced into Europe at least twice, first in the central part of European Russia, and then in the SW Balkans, and we established that these introductions originated from different source populations, belonging to a geographically widely separated Asian subspecies. Based on the most recent evidence, we confirmed successful establishment of S. deforme in both areas, and documented its ongoing spreading: from central European Russia southwards/southeastwards, and most probably from the Balkans eastwards. We rectified several erroneous country records for S. deforme (France, Italy, Bulgaria, Greece, “central Europe”), which have been extensively perpetuated in several important publications about the invasive species in Europe in the last three years (n.b. – for Greece, we have positively documented its presence only now). For S. curvatum, we added a new country record (Georgia/Abkhazia), and provided a few important earlier records from the Balkans (Serbia, Greece, Croatia, Bulgaria), which shift the timing of the previously published “first appearance” dates in the area (for two years for N Serbia and C Greece), or otherwise modify the knowledge of its history of spread. Since the most recent evidence suggests the rapid eastward advancing of both introduced species towards their respective westernmost/northernmost native range limits in western to central Asia, we considered it important to briefly review the state of knowledge about their possible coexistence in that area. We also provided detailed maps of their allochtonous ranges in Europe (currently exceeding the longitudinal span of 4,000 km) and westernmost part of their native ranges in Asia. Finally, we very briefly commented on some ecological aspects of their existence within the allochtonous range (parasitism, sex ratio, phenology).

Published
2011

12. Unprecedented Density and Persistence of Feral Honey Bees in Urban Environments of a Large SE-European City (Belgrade, Serbia) †.

Author

Bila Dubaić, Jovana, Simonović, Slađan, Plećaš, Milan, Stanisavljević, Ljubiša, Davidović, Slobodan, Tanasković, Marija, and Ćetković, Aleksandar

Subjects
BEE colonies, HONEYBEES, URBAN ecology (Sociology), SCIENTIFIC computing, POLLINATORS, MITE infestations, CITIZEN science
Abstract

Simple Summary: The western honey bee, a pollinator species that is essential for modern agriculture and food production sustainability, is under various anthropogenic pressures. In the last few decades, these have led to serious worldwide problems concerning the health and stability of honey bee colonies. The importance of wild or feral honey bees has only recently been recognized, as these populations are crucial for research on the processes that enable their survival under such pressures. Here, we present a case of an unmanaged free-living population of honey bees that, unlike in other known studies, live in a highly populated urban environment. This extraordinarily dense feral honey bee population, which is not directly associated with managed apiaries, provided us with a large dataset of various life history parameters that will considerably fill in the knowledge gaps on unmanaged colonies. Furthermore, we want to underline the importance of citizen science in the data collection process and suggest it as a suitable approach to study feral honey bees in urban landscapes. We believe that highly populated urban landscapes can support and reinforce feral honey bees and that similar citizen science projects should be set up in other urban areas or other countries. It is assumed that wild honey bees have become largely extinct across Europe since the 1980s, following the introduction of exotic ectoparasitic mite (Varroa) and the associated spillover of various pathogens. However, several recent studies reported on unmanaged colonies that survived the Varroa mite infestation. Herewith, we present another case of unmanaged, free-living population of honey bees in SE Europe, a rare case of feral bees inhabiting a large and highly populated urban area: Belgrade, the capital of Serbia. We compiled a massive data-set derived from opportunistic citizen science (>1300 records) during the 2011–2017 period and investigated whether these honey bee colonies and the high incidence of swarms could be a result of a stable, self-sustaining feral population (i.e., not of regular inflow of swarms escaping from local managed apiaries), and discussed various explanations for its existence. We also present the possibilities and challenges associated with the detection and effective monitoring of feral/wild honey bees in urban settings, and the role of citizen science in such endeavors. Our results will underpin ongoing initiatives to better understand and support naturally selected resistance mechanisms against the Varroa mite, which should contribute to alleviating current threats and risks to global apiculture and food production security. [ABSTRACT FROM AUTHOR]

Published
2021
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13. A global synthesis reveals biodiversity-mediated benefits for crop production.

Author

Dainese M, Martin EA, Aizen MA, Albrecht M, Bartomeus I, Bommarco R, Carvalheiro LG, Chaplin-Kramer R, Gagic V, Garibaldi LA, Ghazoul J, Grab H, Jonsson M, Karp DS, Kennedy CM, Kleijn D, Kremen C, Landis DA, Letourneau DK, Marini L, Poveda K, Rader R, Smith HG, Tscharntke T, Andersson GKS, Badenhausser I, Baensch S, Bezerra ADM, Bianchi FJJA, Boreux V, Bretagnolle V, Caballero-Lopez B, Cavigliasso P, Ćetković A, Chacoff NP, Classen A, Cusser S, da Silva E Silva FD, de Groot GA, Dudenhöffer JH, Ekroos J, Fijen T, Franck P, Freitas BM, Garratt MPD, Gratton C, Hipólito J, Holzschuh A, Hunt L, Iverson AL, Jha S, Keasar T, Kim TN, Kishinevsky M, Klatt BK, Klein AM, Krewenka KM, Krishnan S, Larsen AE, Lavigne C, Liere H, Maas B, Mallinger RE, Martinez Pachon E, Martínez-Salinas A, Meehan TD, Mitchell MGE, Molina GAR, Nesper M, Nilsson L, O'Rourke ME, Peters MK, Plećaš M, Potts SG, Ramos DL, Rosenheim JA, Rundlöf M, Rusch A, Sáez A, Scheper J, Schleuning M, Schmack JM, Sciligo AR, Seymour C, Stanley DA, Stewart R, Stout JC, Sutter L, Takada MB, Taki H, Tamburini G, Tschumi M, Viana BF, Westphal C, Willcox BK, Wratten SD, Yoshioka A, Zaragoza-Trello C, Zhang W, Zou Y, and Steffan-Dewenter I

Subjects
Agriculture methods, Biodiversity, Crop Production methods, Ecosystem, Humans, Pest Control, Biological methods, Pollination physiology, Crops, Agricultural metabolism, Crops, Agricultural physiology
Abstract

Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield-related ecosystem services can be maintained by a few dominant species or rely on high richness remains unclear. Using a global database from 89 studies (with 1475 locations), we partition the relative importance of species richness, abundance, and dominance for pollination; biological pest control; and final yields in the context of ongoing land-use change. Pollinator and enemy richness directly supported ecosystem services in addition to and independent of abundance and dominance. Up to 50% of the negative effects of landscape simplification on ecosystem services was due to richness losses of service-providing organisms, with negative consequences for crop yields. Maintaining the biodiversity of ecosystem service providers is therefore vital to sustain the flow of key agroecosystem benefits to society., (Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).)

Published
2019
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