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The grasshopper genus Podismopsis Zubowsky, 1900 consists of 39 species distributed in Europe (Switzerland, Austria, Montenegro, and Romania), Russia (European part, Siberia, Far East), Mongolia, China, Korea, and Japan (Zubowsky, 1900; Lu et al., 2011; Storozhenko, 2021; Cigliano et al., 2021). One of them, Podismopsis gynaemorpha Ikonnikov, 1911, was described from Evseevka village (Russia, Primirskii krai) based on two males (Ikonnikov, 1911). Majority of types of the species described by Ikonnikov are deposited in the collection of the Zoological Museum of the Moscow State University (Storozhenko, 1990) while a part of type specimens are stored in the collections of the Zoological Institute of the Russian Academy of Sciences, St. Petersburg. I carefully examined both these collections and found that the syntypes of Podismopsis gynaemorpha are lost. Here the neotype of this species is designated, described and illustrated for stability of nomenclature and according to Article 75 of the Code (ICZN, 1999).

The species composition of the genus Epitettix (Tetrigidae: Cladonotinae) is discussed. The differential diagnosis of the genus is given. New synonymies are proposed: Epitettix Hancock, 1907 = Vaotettix Podgornaja, 1986, syn. nov., = Pseudepitettix Zheng, 1995, syn. nov. Two new taxa are described, namely Epitettix mikhailovi sp. nov. from Vietnam (Gia Lai Province) and Epitettix punctatus montanus subsp. nov. from Malaysia (Sabah, North Borneo). Seven new combinations are established: Epitettix guibeiensis (Zheng et Jiang, 1995), comb. nov., E. hainanensis (Deng, 2020), comb. nov., E. linaoshanensis (Liang et Jiang, 2004), comb. nov., E. nigritibis (Zheng et Jiang, 2000), comb. nov., E. pimkarnae (Storozhenko et Dawwrueng, 2014), comb. nov., E. strictivertex (Deng, 2020), comb. nov., and E. parallelus (Podgornaja, 1986), comb. nov. The unknown male of the latter species is also described and illustrated.

The Recent webspinners (Embiida = Embioptera) comprise a small order of insects; there are about 400 species distributed mainly in tropical and subtropical regions (Miller et al., 2012). They are gregarious, living subsocially in galleries of fine silk which they spin from glands on their forelegs (Edgerly et al., 2002). The webspinner lineage is traceable back via Middle Cretaceous Sorellembiidae, Jurassic Sinembiidae and Late Permian–Triassic Alexarasniidae to the Early–Middle Permian Atactophlebiidae (Engel & Grimaldi, 2006; Huang & Nel, 2009; Shcherbakov, 2015).

Incolacridinae is considered as a separate subfamily, not as a tribe of subfamily Catantopinae. It consists of four genera: Incolacris C. Willemse, 1932, stat. resurr., Stolzia C. Willemse, 1930, Bettotania C. Willemse, 1933, and Asymmetritania gen. nov. (type species: Stolzia vietnamensis Storozhenko, 2020). New combinations are proposed: Incolacris jianfengensis (Zheng et Ma, 1989), comb. nov., Asymmetritania asymmetrica (Ingrisch, 1989), comb. nov., and A. vietnamensis (Storozhenko, 2020), comb. nov. The diagnosis of subfamily and genera, a key to genera and an annotated list of the species of Incolacridinae are also given.

The phasmid genus Ramulus Saussure, 1862 belongs to the nominotypical tribe of subfamily Clitumninae of the Phasmatidae. This genus consists of 159 species distributed in India (21 species), Sri Lanka (6 species), Bhutan (1 species), Myanmar (6 species), Thailand (1 species), Vietnam (12 species), Malaysia (4 species from Peninsular part and Borneo), Indonesia (18 species from Java, Sumatra, Borneo, Sulawesi, and Key islands), the Philippines (3 species), China including Taiwan (74 species), Japan (1 species), Korea (1 species), and Russia (1 species) (Brock et al., 2021). Three phasmid species have been described in the genus Baculum Saussure, 1861 from the Russian Far East, Korea and North-East China respectively (Bey-Bienko, 1960; Kwon et al., 1992; Chen & He, 1994) and later transferred to the genus Ramulus (Otte & Brock, 2005). As a result of detailed examination of the type specimens of Ramulus ussurianus (Bey-Bienko, 1960), additional material and descriptions of these species, it became clear that specimens from Russia, Korea and North-East China are conspecific.

This paper aims to re-describe and illustrate the poorly known grasshopper Podismopsis insularis and to clarify the taxonomic status of its subspecies. This species occurs on all large islands of the Shantar Archipelago (Bolshoi Shantar Island, Feklistova Island, and Maly Shantar Island). The type specimens of both subspecies and additional material are examined. A new synonymy is established: Podismopsis insularis = Podismopsis insularis shantariensis, syn. nov. A thorough description of this species, photographs of male and female habitus and of male genitalia are also provided. The evolutionary radiation of grasshoppers of the genus Podismopsis over the islands of the Sea of Okhotsk basin during the last 8000–10 000 years is briefly discussed. The Shantar Islands National Park is important for conservation of endemic insect species.

The genus Celebesia Bolívar, 1917 consists of four species endemic to Sulawesi Island, namely C. acuticerca C. Bolívar, 1917, C. ferruginata (Brunner von Wattenwyl, 1898), C. heinrichi Ramme, 1941, and C. linduensis Storozhenko, sp. nov. Distribution of species is clarified and an updated key to the species of Celebesia is given. Male genitalia of this genus is described and illustrated for the first time. The genus Pyrgophistes Key, 1992 is transferred from the tribe Catantopini to Mesambriini and a new synonymy is proposed: Mesambriini Brunner von Wattenwyl, 1893 = Pyrgophistina Key, 1993, syn. nov.

Simple Summary The phylogenetic position of the genus Alulacris is clarified based on complete mitogenome evidence. The results show that Alulacris consistently has the closest relationship to the genus Yunnanacris of the subfamily Melanoplinae in all phylogenetic trees and is extremely similar to Yunnanacris yunnaneus (Ramme, 1939) morphologically. Therefore, the genus Alulacris is transferred here from Catantopinae incertae sedis to the nominal subtribe Podismina of the tribe Podismini sensu Ito (2015) of the subfamily Melanoplinae. Abstract Whole mitogenomes are a useful data source for a wide variety of research goals due to the vastly cheaper sequencing cost and the far less demanding high-quality templates. The mitogenome has demonstrated great potential in resolving phylogenetic questions in Orthoptera at different taxonomic scales as well as exploring patterns of molecular and morphological character evolutions. In this study, the complete mitogenome of Alulacris shilinensis (Zheng, 1977) was sequenced using next-generation sequencing, the characteristics of the mitogenome are presented briefly, and the phylogeny of the Melanoplinae and Catantopinae was reconstructed using a selected dataset of mitogenome sequences under maximum likelihood and Bayesian inference frameworks. The results show that the genus was consistently assigned to the subfamily Melanoplinae rather than Catantopinae in all phylogenetic trees deduced from different datasets under different frameworks, and this finding is entirely consistent with its morphological characters. Therefore, it is more appropriate to place the genus Alulacris in Melanoplinae rather than in Catantopinae.

The monotypic genus Hancockitettix Storozhenko et Pushkar, gen. nov. (type species Hancockitettix humeratus Storozhenko et Pushkar, sp. nov.) from the Malay Peninsula is described. A new genus belongs to the subfamily Cladonotinae. It resembles the genera Hancockella Uvarov, 1940 from India and Austrohancockia Gunther, 1938 from China, Taiwan, Japan and Vietnam in the general body appearance, in the large lobules on the upper and lower margins of the fore and mid femora, and in the relatively narrow scutellum, but differs from them by the presence of fully developed tegmen, hind wing and tegminal sinus, by the triangular plate-like projected shoulder of pronotum, and by the considerable distance between the most outstanding parts of shoulders which exceeds the pronotum lobe width (in other mentioned genera the hind wing and tegminal sinus are absent, the tegmen is absent or rudimentary, lateral side of shoulder is broadly rounded or obtusely angular, and the distance between shoulders is less th...

A taxonomic review of the genus Longgenacris You & Li, 1983 is provided, the taxonomic position of the genus is discussed briefly and clarified; the original placement of the genus in the subfamily Melanoplinae is confirmed. Type species of the genus Fruhstorferiola Willemse, 1922 is redescribed and new synonymy is proposed: Fruhstorferiola tonkinensis (Willemse, 1921) = Longgenacris rufiantennus Zheng et Wei, 2003, syn. nov.

Two new species, Chitaura linduensis Storozhenko, sp. nov. and C. doloduo Storozhenko, sp. nov., are described from Indonesia. Male genitalia of the type species of the genus, C. brachyptera Bolívar, 1918, are described and illustrated for the first time. The data on distribution of the Chitaura species on Sulawesi Island are clarified and showed in a map.

The new species Mesambria intermedia Storozhenko, sp. nov. is described from Indonesia. Male genitalia of the type species of the genera Mesambria Stål, 1878 and Traulia Stål, 1873 are described and illustrated for the first time. The diagnosis of the tribe Mesambriini is given and the position of this tribe in the modern classification of grasshoppers is discussed. New synonymy is proposed: Mesambriini Brunner von Wattenwyl, 1893 = Trauliini Bolivar, 1917, syn. nov., = Ranacridinae Xia, 2006, syn. nov.

The monotypiC genus Gorochovitettix Storozhenko et Pushkar, gen. nov. (type species Gorochovitettix kannackiensis Storozhenko et Pushkar, sp. nov. from Vietnam) is described in the subfamily Metrodorinae. The new genus is similar to the genus Orthotettix Hancock, 1909 from Malaysia, differing from the latter by the fore and mid femora considerably compressed laterally with the leaf-like upper and lower carinae. The new genus is similar to the genera Vaotettix Podgornaja, 1986 from Vietnam and Paramphinotus Zheng in Zheng and Ou, 2004 from South China by the distinctly widened frontal ridge, differing from them by the antennal socket placed distinctly below the lower margin of eye.

Vietnamese species of the genus Bolivaritettix Günther, 1939 are reviewed and illustrated. Altogether ten species are reported from Vietnam, of which five are new to science, namely—B. abruptus sp. nov., B. anaglypticus sp. nov., B. constrictus sp. nov., B. similis sp. nov., and B. vietnamensis sp. nov., while three species, B. sculptus (Bolívar, 1887), B. humeralis Günther, 1939 and B. celaenotus Zheng, Zhang et Dang, 2009, are recorded from Vietnam for the first time. A key to Vietnamese species is provided.

Limno-terrestrial pygmy grasshoppers are mostly recognised using morphology but characters used are not always clear-cut for species identification. From a faunistic survey in Singapore, Eucriotettix were collected and two new species are identified and described here: E. guentheri sp. nov. and E. simulans sp. nov. This was done by iteratively incorporating morphological, molecular, morphometric, and ecological data. Mitochondrial COI trees, COI cluster analysis, microhabitat preference, and morphometric analyses provide strong enough indirect evidence that the specimens comprise a pair of species. A key to species of Eucriotettix from Singapore is also provided.

The Permian family Camptoneuritidae (Insecta: Grylloblattida) is reviewed. New synonymies are proposed: Camptoneuritidae Martynov, 1930 = Demopteridae Carpenter, 1950, syn. nov., = Jabloniidae Kukalova, 1964, syn. nov. Key to genera of Camptoneuritidae is given. All genera are redescribed and illustrated. Camptoneurites soyanensis sp. nov. from Soyana locality (Middle Permian, Kazanian Stage; Arkhangelsk Region, Russia) and Tyulkinia bashkuevi gen. et sp. nov. from Tyulkino locality (Lower Permian, Kungurian Stage; Perm Region, Russia) are described.

The small cricket, Gryllus nipponensis, was described from Japan (Shiraki, 1913), but its generic position was uncertain. It was placed in Gryllulus Uvarov, 1935 (Shiraki et al., 1950), and then Modicogryllus Chopard, 1961 (Chopard, 1961). Japanese authors included Gryllus nipponensis in the genus Comidogryllus Otte & Alexander, 1983 based on the shape of head and the acoustic pattern of the species (Ichikawa et al., 2000; Ichikawa et al., 2006). Later it was shown that Gryllus nipponensis was not congeneric with Australian species of Comidogryllus and placed it in Modicogryllus with uncertain subgeneric position (Storozhenko & Paik, 2007).

An annotated list of 39 species in 25 genera and seven subfamilies of the pygmy grasshoppers (Orthoptera: Tetrididae) from Thailand is given; from these 18 species are recorded from this country for the first time. Five new species are described: Cotysoides gaponi sp. nov. (subfamily Metrodorinae), Eucriotettix anisyutkini sp. nov., Gavialidium bufocrocodil sp. nov., Scelimena bellula sp. nov. (subfamily Scelimeninae) and Phaesticus uvarovi sp. nov. (subfamily Discotettiginae). One species is transferred from Scelimena to Amphibotettix and a new combination is proposed: Scelimena hafizhaii Mahmmod, Idris et Salman, 2007 = Amphibotettix hafizhaii (Mahmmod, Idris et Salman, 2007), comb. nov. The previously unknown male of Falconius tschernovi Storozhenko, 2014 is described.

The monotypic genus Cleostratoides gen. nov. (type species Cleostratoides exoticus sp. nov. from Vietnam) is described in the subfamily Metrodorinae. New genus is closely related to the genera Mazarredia Bolivar, 1887, Xistrella Bolivar, 1909, Pseudoxistrella Liang, 1991, Orthotettixoides Zheng, 1998 and Bermania Storozhenko, 2012, but easily distinguished from all of them by the lateral ocelli situated just under fastigium of vertex and by the antennal sockets placed distinctly above the lower margin of eyes.

Anagaracris is considered as a monotypic genus in the tribe Bryodemini (Acrididae: Oedipodinae). New synonymy is proposed: Angaracris barabensis (Pallas, 1773) = Angaracris morulimarginis Huang, 1981, syn. nov.; = Angaracris ulashanicus Li, 1981, syn. nov.; Angaracris acrohylina Bi, 1986, syn. nov.; = Angaracris nigrimarginis Zheng et Ren, 1993, syn. nov.; = Angaracris morulipennis Zheng et Ren, 1994, syn. nov.; = Angaracris neimongolensis Zeng et Han, 1998, syn. nov. The diagnosis of the tribe Bryodemini is clarified and a key to the genera and subgenera is provided.

The pygmy grasshopper subfamily Cladonotinae and genera Epitettix Hancock, 1907, Pseudepitettix Zheng, 1995 and Tuberfemurus Zheng, 1992 are firstly recorded from Thailand. Three new species, namely Epitettixobtusus obtusus sp. nov. from provinces Nakhon Ratchasima and Chiang Mai, Pseudepitettix pimkarnae sp. nov. from province Saraburi and Tuberfemurus kanokwanae sp. nov. from province Saraburi, are described.

Alectorolophus impunctus Storozhenko et Kim, sp. nov. from Sulawesi Island, Indonesia, is described here. Keys to both sexes of all known species and subspecies of Alectorolophus are also provided in this report. The position of genus Alectorolophus in the systematics of grasshoppers is clarified. It belongs to subtribe Ecphantina (Catantopinae: Catantopini) consisting of nine genera distributed in Australia and Oriental regions. The diagnosis of Ecphantina is clarified and a key to genera is provided. An annotated list of the genera and species of Ecphantina is given. Moreover, the correct name of the subfamily Coptacridinae is Coptacrinae Brunner von Wattenwyl, 1893.

The monotypic genus Pseudoxistrella Liang, 1991 was established for P. eurymera Liang, 1991 from Hainan Island in China (Liang, 1991) as a genus closely related to Xistrella Bolivar, 1909. It was listed by Blackith (1992) and Otte (1997) without definition of subfamily of Tetrigidae. Later Pseudoxistrella was placed in the subfamily Metrodorinae (Liang & Zheng, 1998). But this genus is characterized by the rounder and turned downward posterior angle of lateral lobes pronotum like in subfamily Tetriginae (in Metrodorinae posterior angle truncated and turned outward), therefore now Pseudoxistrella is considered as a genus of uncertain position within subfamilies of Tetrigidae (Eades et al., 2012). A new species of the genus Pseudoxistrella was found in Vietnam. This gives us the possibility to clarify the diagnosis of Pseudoxistrella and its place in the family Tetrigidae.

A review of the genus Haplotropis and a key to tribes of the subfamily Pamphaginae are given. New synonymy is proposed: Haplotropis Saussure, 1888 = Sinohaplotropis Cao et Yin, 2008, syn. nov.; Haplotropis brunneriana Saussure, 1888 = Sinohaplotropis elunchuna Cao et Yin, 2008, syn. nov., = Haplotropis neimongolensis Jin, 1994, syn. nov.; Nocarodeini Bolivar, 1916 = Sulcatini Harz, 1975, syn. nov., = Nocarodesinae Zhang, Yin et Yin, 2003, syn. nov., = Tropidaucheninae Zhang, Yin et Yin, 2003, syn. nov.; Pamphagini Burmeister, 1840 = Orchaminae Zhang, Yin et Yin, 2003, syn. nov.; Trinchinae Stal, 1876 = Prionopropsinae Zhang, Yin et Yin, 2003, syn. nov.

Rural biodiversity in East Asia is at risk due to the loss of habitat diversity, and good indicators are needed to evaluate diverse habitats in rural landscapes. We examined whether the higher taxa (classes and orders) of soil invertebrates discriminated among several types of secondary forests such as broad-leaved deciduous forests, conifer forests and bamboo forests, primary forests, grasslands and/or wetlands, better than species assemblages of a well-established indicator, ground beetles (Coleoptera, Carabidae and/or Staphylinidae), in three East Asian regions (Japan, South Korea and the Russian Far East). We collected soil invertebrates with pitfall traps and used community composition and an ordination technique to test their performance as indicators. In Japan, the higher taxa of soil invertebrates discriminated finely among a wide range of habitats, and soil moisture seemed to be an important factor underlying habitat arrangement by these taxa along an ordination axis. While species assemblages of ground beetles detected large faunal differences among grasslands, wetlands and a composite group of three forest-type habitats (oak, conifer and bamboo forests), it failed to discriminate among any of the three forest-type habitats. When the analysis included only these types of forests, ground beetles were found to be able to discriminate finely among them, indicating limited performance in relation to the range of habitats covered. In the other two countries, the higher taxa of soil invertebrates showed a performance similar to that of species assemblages of ground beetles, possibly because of the narrow range of habitats analyzed. We conclude that the higher taxa of soil invertebrates are an effective tool for assessing the diversity of rural habitats across the East Asian region, where taxonomic knowledge at the species level is still insufficient. Our results may be applied broadly to other regions where agricultural intensification and land abandonment have caused quantitative and qualitative changes in rural landscapes.

The subfamily Anoplophilinae (Rhaphidophopridae) is recorded from Russia for the first time. Alpinanoplophilus kurilensis Storozhenko, sp. nov. is described from Kunashir Island. The holotype of the new species is deposited in the Zoological Institute of Russian Academy of Science (St. Petersburg, Russia). A revised key to the species of the genus Alpinanoplophilus Ishikawa, 1993 is provided.

Mimadiestra gen. nov. (type species: M. biloba sp. nov.) is described from Thailand. Megadiestramima Storozhenko et Gorochov, 1992 and Leodiestramima Storozhenko, 2009, stat. nov. are considered as separate genera, therefore, three new combinations are proposed: Leodiestramima exculta (Gorochov, 1998), comb. nov., L. lecta (Gorochov, 1998), comb. nov., L. orlovi (Gorochov, 1994), comb. nov. A key to genera of the tribe Diestramimini is given.

Subfamily Tripetalocerinae consist of four genera distributed in Southeast Asia. Clinophaestus gen. nov. (type species: Clinophaestus robustus sp. nov.) and Tripetaloceroides gen. nov. (type species: Tripetalocera tonkinensis Gunther, 1938) are described. New tribe Clinophaestini trib. nov. (type genus: Clinophaestus gen. nov.) is established. Diagnosis and key to tribes and genera are given. An annotated list of species is provided. Genus Kraengia Bolivar, 1909 is transferred from Tripetalocerinae to Discotettiginae.

A new subfamily Anoplophilinae Storozhenko & Paik subfam. nov. of the Rhaphodophoridae is established for two genera, Anoplophilus Karny, 1931 (type genus) and Alpinanoplophilus Ishikawa, 1993, distributed in Japan and Korea. Keys to the subfamilies of the Rhaphidophoridae and the genera of the new subfamily are provided. An annotated list of known genera and species of the Anoplophilinae is given. Anoplophilus koreanus Storozhenko & Paik sp. nov. is described from Korea.