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The genus Cibyra Walker, 1856 is reviewed. The following species are described as new from Brazil: Cibyra agnes sp. nov., C. alina sp. nov., C. babi sp. nov., C. barbara sp. nov., C. bruna sp. nov., C. clara sp. nov. C. claudia sp. nov., C. denise sp. nov., C. elyana sp. nov., C. hannelore sp. nov., C. jane sp. nov., C. julie sp. nov., C. jurate sp. nov., C. kika sp. nov., C. mariana sp. nov., C. mirna sp. nov., C. monique sp. nov., C. olinda sp. nov., C. parana sp. nov., C. piacaba sp. nov., C. regina sp. nov., C. simone sp. nov., and C. volta sp. nov. Cibyra yumiko sp. nov. is described from Brazil and Argentina. All species are figured along with their genitalia. Dalaca oreas Schaus, 1892, syn. n. is synonymized to Cibyra ferruginosa Walker, 1856. A biogeographic model of ancestral allopatry is proposed for Cibyra species-groups and species through tectonic uplift during the formation of the Atlantic basin. It is suggested that the extensive overlap of species-groups represents taxon crowding resulting from submergence and erosion of coastal landscapes.

The genus Leucophora Robineau-Desvoidy, 1830 is a group of kleptoparasitic anthomyiid flies associated with bees and solitary wasps. This genus has a worldwide distribution, except for Oceania, and approximately 58 species are currently known. In this work, we review the species of the genus Leucophora found in South America for the first time. As a result, we recognize 16 species, of which eight are new, namely Leucophora calilegua sp. nov., Leucophora catamarca sp. nov., Leucophora chalten sp. nov., Leucophora chancani sp. nov., Leucophora delestero sp. nov., Leucophora junin sp. nov., Leucophora tacuil sp. nov., and Leucophora yacochuya sp. nov., all collected from various localities in Argentina. Detailed descriptions and redescriptions of males and females are provided where possible for all species, along with photographs of their habits, and illustrations of the genital structures of both sexes are presented for the first time. Additionally, scanning electron microscope images of male terminalia are included. An identification key for all South American species and distribution maps is presented. Despite a similar external appearance, the features of the male and female genital structures offer crucial information for establishing species identity. We report for the first time to the family the presence of two pairs of free paraphallic processes in the distiphallus of one species, as well as modifications to the terminal segments of the ovipositor and the reduction of a pair of spiracles in two species.

In the present article, we describe four new species of the genus Striogyia Holloway, 1986 from India: S. hollowayi sp. nov., S. sumi sp. nov., S. arunachala sp. nov. and S. kamiensis sp. nov. Until now, the genus Striogyia was known to include seven species distributed in South East Asia and China. The present study increases the number of known species in the genus to 11 and extends its distributional range to India. A taxonomic key and a checklist of all known species of the genus is also provided.

Eutheia boreoindica sp. nov. is described based on a male collected in Uttarakhand, northern India. This is the third sub-Himalayan species, the two previously known ones are distributed in Pakistan and Nepal. Distribution of eastern Palaearctic species of Eutheia is summarized.

A new scorpionfly, Panorpa pertica sp. nov. is described from the Amami Islands, Japan. This new species is morphologically similar to and has a similar late flight season to Panorpa brevititilana Issiki, 1929 of Taiwan. Panorpa pertica sp. nov. consists of two new subspecies, Panorpa pertica pertica ssp. nov. from Amami-Oshima Island and Panorpa pertica okadai ssp. nov. from Tokunoshima Island, respectively.

The Eastern Afromontane region of Africa is characterized by striking levels of endemism and species richness accompanied by significant conservation threat, a pattern typical across biodiversity hotspots composed of highly fragmented forested highlands (sky islands). Based on the extensive study material of representatives of the subgenus Silpha Linnaeus, 1758, we recognized that hidden diversity this group occurs in the Eastern Afromontane biodiversity hotspot (EABH). Despite the unavailability of molecular data, we tried to reconstruct the phylogeny of Afrotropical Silpha species using cladistic analysis based on morphological data. The four Afrotropical species of Silpha form a clade. Taxonomic revision of the subgenus Silpha in the Afrotropical Region is provided. Silpha chelinda Sommer, Rika & Barclay, sp. nov. from northern Malawi is described and illustrated. Silpha lata Portevin, 1920 is assigned into the Afrotropical fauna, the stated type locality of Nias Island, Malaysia is probably based on wrong labelling. Silpha francoisi Dierkens, 2020 from Tanzania is redescribed and an additional material is listed. Finally, S. capicola Pringuey, 1888, with two junior subjective synonyms, S. punctulata Olivier, 1790 and S. peringueyi Portevin, 1922, is redescribed and illustrated. Silpha punctulata Olivier, 1790 is considered as junior primary homonym of S. punctulata Gmelin, 1790. A key to the Afrotropical species of the genus Silpha is provided. Distribution of all four taxa is summarized and mapped.

We describe 5 new genera, 9 new species and 1 new genus record of the tribe Alebrini (Hemiptera: Cicadellidae: Typhlocybinae) from China. Arbelana Anufriev rec. nov. is newly recorded from China based on A. ulmi (Anufriev) rec. nov. Oblongitubus Kang & Zhang gen. nov. is described based on 3 new species, O. linearis Kang & Zhang, O. caligicaudatus Luo & Huang and O. licinicaudatus Luo & Huang spp. nov., with O. linearis Kang & Zhang sp. nov. as type species. Minionia Luo & Huang gen. nov. is described based on type species M. stellicauda Luo & Huang sp. nov. Senebra Kang & Zhang gen. nov. is described based on 2 new species, S. bracteiformis Kang & Zhang and S. scapiformis Kang & Zhang spp. nov., with S. bracteiformis Kang & Zhang sp. nov. as type species. Shulebra Luo & Huang gen. nov. is described based on 2 new species, S. brunnala Luo & Huang and S. furvala Luo & Huang spp. nov., with S. brunnala Luo & Huang sp. nov. as type species. Solabra Luo & Huang gen. nov. is described based on type species S. robusta Luo & Huang sp. nov. We also reinstate placements of 2 species wrongly transferred to Alebra Fieber: Shaddai shaanxiensis Ma and Shaddai xianensis Ma. Detailed descriptions and illustrations and keys to males of the new taxa are provided.

A new dorylaimid species is described herein from natural habitats in the biosphere reserve of Valle de Tehuacn-Cuicatln (RBVTC), Mexico. Talanema ngiguae sp. nov. is characterized by its 1.241.63 mm long body, lip region hardly offset by depression and 14.516.5 m wide with perioral liplets, odontostyle 18.522 m long, guiding ring double, neck 323383 m long, pharyngeal expansion occupying 4546% of the total neck length, uterus tripartite and 153190 m long or 2.72.8 times body diameters, vulva longitudinal (V = 5761), female tail conical with a dorsal concavity (2732 m, c = 4649, c = 0.91.0), male tail short and rounded conoid (23 m, c = 6771, c = 0.7), spicules 6869 m long, and 1417 shortly spaced ventromedian supplements ending at level of the anterior end of spicules, with hiatus. The new species is compared with its closest relative, T. mauritiense, both taxa being easily distinguished by their lip region, vulva orientation, female tail and spicule length.

Four new species of the small mygalomorph genus Neischnocolus (Theraphosidae) are described from Western Ecuador: N. ballerioi sp. nov. (male); N. pampenita sp. nov. (male, female); N. ruffoi sp. nov. (male, female) and, N. canosita sp. nov. (male). Additionally, the female of Neischnocolus cisnerosi Peaherrera et al. 2023 is described for the first time.