Search

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

A new species of isopod crustacean belonging to the genus Paraimene (Flabellifera, Sphaeromatidae) is described. The new species was collected from Cojimar Bay, La Habana Province, Cuba. Paraimene danieli new species differs from all other known species of the genus by the following characters: pereonites 2-3 smooth, pereonites 5-6 carínate, pereonite 7 and pleonite 1 raised at middle point, lacinia mobilis with 3 cusps. An identification key to species of Paraimene is provided.Se describe una especie nueva de isópodo perteneciente al género Paraimene (Isopoda, Flabellifera, Sphaeromatidae). La especie nueva fue colectada de la Bahía de Cojimar, Provincia La Habana, Cuba. Paraimene danieli especie nueva difiere de las especies conocidas del género por los siguientes caracteres: lacinia mobilis con 3 cúspides; pereonites 2-3 lisos, pereonites 5-6 carinados, pereonite 7 y pleonite 1 elevados medialmente. Se presenta una clave de identificación para las especies de Paraimene.

A new Pleseobyrsa, P. persea n. sp. is described for Costa Rica. The host plant of this new species is Persea americana P. Mill. This corresponds to the second species of the genus known for the country and the third whose host plant is P. americana (avocado). A description of the adult as well as of instar V are provided, together with a key to species, photographs taken in the field, and illustrations of the fifth nymph stage, adult, and the main characters.Se describe una especie nueva de Pleseobyrsa, P. persea n. sp. de Costa Rica, cuya planta huésped es Persea americana P. Mill., siendo ésta la segunda especie del género conocida del país y la tercera cuya planta huésped es P. americana (aguacate). Se describen tanto el adulto como el estadio ninfal V; se agrega una clave modificada de Froeschner para las especies, y se ilustran ejemplares en el campo, el quinto estadio ninfal, adulto y los principales caracteres.

A new species of Lachesilla, from Cabrits National Park, St. John's Parish, Dominica, is here described and illustrated. The phallosome is V-shaped, and it is autapomorphic in having the distal ends of the apodeme arms articulated to each clasper. Based on these characters, a new species group is created, close to the L. forcepeta and L. palmera species groups (the latter also diagnosed in this paper). The holotype is deposited in the National Insect Collection (CNIN), Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City.Se describe e ilustra una nueva especie de Lachesilla, procedente de Cabrits National Park, St. John's Parish, Dominica. El falosoma tiene forma de V, y es autapomórfico en tener los extremos distales de los brazos articulados a cada clásper. Con base en estos caracteres, se crea un nuevo grupo de especies, cercano a los grupos de L. forcepeta y L. palmera (este último también definido en este trabajo). El holotipo está depositado en la Colección Nacional de Insectos (CNIN), alojada en el Instituto de Biología de la Universidad Nacional Autónoma de México, México, D. F.

A new species, Ischnodemus brusai, from Ucayali, Peru is described and illustrated, including characters of the male genitalia. Adult males and females, and immature specimens of I. subflavus Slater and Wilcox 1969 were collected on Sporobolus rigens (Trinius) Desvaux (Poaceae) in the province of Chubut, Argentina. This is the first record of the male for this species. Descriptions and illustrations of a male individual, as well as male and female genitalia and immature stages II to V are provided. Affinities with other Neotropical species of Ischnodemus are discussed.Se describe e ilustra una especie nueva, Ischnodemus brusai de Uyacali, Perú, incluyendo caracteres de los genitales masculinos. Se recolectaron adultos machos, hembras y estadios inmaduros de I. subflavus Slater and Wilcox 1969 sobre Sporobolus rigens (Trinius) Desvaux (Poaceae) en la provincia de Chubut, Argentina. Éste es el primer registro de un macho para esta especie. Se proveen descripciones e ilustraciones del macho, genitales masculinos y femeninos, y los estadios II a IV. Se discuten las afinidades con otras especies neotropicales del género.

Se describe Centruroides hirsutipalpus sp. nov. de la región de Minatitlán, Colima. Se compara con las especies morfológica y geográficamente más cercanas, C. elegans Thorell y C. tecomanus Hoffmann y con otras especies "rayadas" de Centruroides del centro-occidente de México. Es ésta una especie con importancia médica que no se había recolectado previamente.Centruroides hirsutipalpus sp. nov. from the region of Minatitlán, Colima, Mexico is described. The new species is compared with C. elegans Thorell and C. tecomanus Hoffmann, which are morphologically and geographically closely related. Comparisons with other species of "striped" Centruroides from central and western Mexico are included. This medically important species had not been collected previously.

The doryctine wasp genus Hecabolus Curtis and its type species, H. sulcatus Curtis, are redescribed. A new species from Mexico, H. mexicanus sp. nov., is described and illustrated. The new species is distinguished from H. sulcatus and the other known species of the genus, H. costaricensis Marsh, in having a narrower pterostigma, longer discoidal (discal) cell, basal (1M) and recurrent (m-cu) veins diverging posteriorly, first abscissa of mediocubital (M+CU) vein of hind wing as long as the second abscissa (1M), and first metasomal tergite with a very small dorsope. A key for identification of the 3 known species of Hecabolus is provided.Se redescriben el género de avispas doryctinas Hecabolus Curtis y su especie tipo, H. sulcatus Curtis. Se describe e ilustra una especie nueva procedente de México, H. mexicanus sp. nov. La nueva especie se distingue de H. sulcatus y de la otra especie conocida del género, H. costaricensis Marsh, por presentar un pterostigma más angosto, una celda discoidal más larga, las venas basal y recurrente divergiendo posteriormente, la primer abscisa de la vena mediocubital del ala posterior tan larga como la segunda abscisa, y el primer tergo metasomal con un dorsopo muy pequeño. Se presenta una clave para identificar las 3 especies conocidas de Hecabolus.

Se describe una especie nueva de anfípodo del género Westwoodilla (Oedicerotidae) recolectada en la costa de Guayaquil, Ecuador. Se presentan las principales diferencias de esta especie nueva en comparación con las 12 especies del género ya descritas. Es el primer registro del género para las aguas del Pacífico suramericano.A new amphipod species of the genus Westwoodilla (Oedicerotidae) collected on the coasts of Guayaquil, Ecuador is herein described. The main differences of this new species compared with the 12 existing species are described in this work. This is the first record of the genus for the waters of the Southeastern Pacific.

Se realizaron recolectas diurnas y nocturnas en la Comunidad de Frontera Corozal, Municipio de Ocosingo, Chiapas, México. Se registran 3 especies de escorpiones, 2 de la familia Buthidae y una de la familia Diplocentridae. Centruroides schmidti Sissom es un nuevo registro para el estado de Chiapas y Diplocentrus chol es una especie nueva.Diurnal and nocturnal collecting in the community of Frontera Corozal, Municipio Ocosingo, Chiapas, Mexico, revealed three species of scorpions, two belonging to the family Buthidae and one to Diplocentridae. Centruroides schmidtiSissom is a new record for the state of Chiapas, and Diplocentrus chol is described as a new species.

Semiscolex lamothei sp. nov. from Catemaco lake, Veracruz, México, is described based on the examination of 18 specimens. The new species differs from other species of the genus by the presence of 1/2 + 5 + 1/2 annuli between gonopores. The new species has morphological features previously not described for any other member of the genus, such as well-developed ejaculatory bulbs and postcaeca in the posterior part of the crop. This is the first record of the genus and the family in the northern hemisphere of the Americas.Se describe Semiscolex lamothei sp. nov. del lago de Catemaco, Veracruz, México con base en 18 ejemplares. Se diferencia del resto de las especies del género por presentar 1/2 + 5 + 1/2 anillos entre los gonoporos. Esta nueva especie del género Semiscolex presenta características morfológicas no descritas en otros miembros del grupo, como bulbos eyaculadores bien desarrollados y postciegos en la región terminal del buche. Es el primer registro del género y de la familia en el hemisferio norte del continente americano.

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Diplocentrus churumuco sp. nov., from the Balsas River Basin in Michoacan, Mexico is described and clearly differentiated from its nearest relatives. The tarsomere II spine formula is 4/4:4/4:5/5:5/5. Pectinal tooth counts are 9- 10 in males, and 7- 8 in females.Se describe Diplocentrus churumuco sp. nov., de la Depresión del Balsas en Michoacán, y se dan las diferencias diagnósticas con especies afines del género. La fórmula de espinas tarsales es 4/4:4/4:5/5:5/5; los machos tienen 9-10 dientes pectíneos y las hembras 7-8.

Se describe e ilustra una nueva especie de araña Creugas guaycura n. sp. con ejemplares recolectados en humedales del estado de Baja California Sur.A new species of spider of Creugas, collected in wetlands of Baja California Sur is described and illustrated.

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)