Altogether 1,564 species taxa (identifi ed at least to the genus level) from 25 orders of Hexapoda have been recorded from the Socotra Archipelago to date. In addition, members of Diplura and Ephemeroptera are known from the archipelago as well, but they have not been identifi ed so far.…

Three new species of carabid beetles of the tribe Lebiini are described: Glycia socotrana sp. nov., previously mentioned as Glycia cf. spencei (Gistel, 1838), from Socotra Island and Abd al Kuri Island; Apristus dioscoridus sp. nov. and Mesolestes niger sp. nov., both from Socotra Island. Acupalpus…

The histerid beetles (Coleoptera: Histeridae) of Socotra Island (Yemen) are reviewed based on the material collected during the Czech expeditions undertaken between 2000 and 2012. A total of 20 species are recorded, three of which are described herein: Pachycraerus socotrensis…

The Canuschiza minuta Lacroix, 1999 species group of the genus Canuschiza Lacroix, 1999 is revised. Canuschiza zerig sp. nov. and previously unknown female of C. minuta are described. Variability in number of antennomeres observed in females of C. minuta is briefly discussed. An…

Stomanomala subcostata (Fairmaire, 1887) is recorded from the Socotra Archipelago (Yemen) for the first time, it represents the only known Socotran ruteline chafer. The hitherto known distribution range of this species in Socotra Archipelago is summarized and its habitat preferences are briefly…

The first known representatives of the family Cantharidae are described from Socotra: Silidius svihlai sp. nov. and Socotrasilis enigmatica gen. et sp. nov. Dorsal habitus, pronotum and aedeagus for each species are illustrated. Both species seem phylogenetically isolated, with no known close…

New data on the occurrence of beetles of the family Bostrichidae on Socotra Island are presented – altogether nine species have been recorded hitherto. Besides faunistic data, the paper contains descriptions of two new subspecies: Enneadesmus obtusidentatus obscurior Borowski subsp. nov. and…

The Cleridae from Socotra Island are reviewed and five species are recorded. In addition to the cosmopolitan Necrobia rufi pes (De Geer, 1775), Wittmeridecus insularis sp. nov. (subfamily Tillinae), Opilo angustipennis sp. nov. and Opilo socotrensis sp. nov. (subfamily Clerinae) are described and…

A new species of Colotrema W ittmer, 1979 (Malachiidae: Malachiinae: Colotini) from Socotra Island is described and illustrated: Colotrema socotrana sp. nov. It is most similar to C. barbertonica Wittmer, 1991 from South Africa, but differs from the latter in colouration of the extremities…

The cryptic slime-mold beetle Sphindus cf. rendilianus Lesne, 1922, described originally from Kenya, and so far known only from the holotype, is recorded from Socotra Island based on five specimens from recent collecting efforts. This is the first report of the family Sphindidae from the…

Based on external and internal morphological characters, Apithesis obesa Waterhouse, 1881 (of the monotypical genus Apithesis Waterhouse, 1881) is redescribed and transferred from the tribe Ulomini to the tribe Opatrini where it is incorporated in Clitobius Mulsant & Rey, 1859. Preliminary…

Longitarsus doeberli sp. nov. (Coleoptera: Chrysomelidae: Galerucinae: Alticini), from Socotra Island is described. The new species is apparently similar to Longitarsus lederi Weise, 1889 from Caucasus with which it shares, in addition to compact body, some adaptive convergences, such as…

Brachycerus socotranus sp. nov., endemic to Socotra Island, is described from the three specimens collected by the Czech expeditions to Socotra in 2000–2012. The new species is characterized by prominent horn-like tubercles at the base of the rostrum, intact medial groove of pronotum with strongly…

Taxonomy of bees (Hymenoptera: Anthophila) of the Socotra Archipelago is evaluated based on historical and newly available specimens. Four new species of Halictidae are described from the Socotra Island: Austronomia socotrana Pauly & Straka sp. nov., Lasioglossum (Hemihalictus) boswelliae Pauly…

Eurema brigitta (Stoll, 1780) (Lepidoptera: Pieridae) is recorded for the first time from the Socotra Island (Yemen). The specimen represents either a wet season form of a subspecies originating from Africa or a form with its usual occurrence in Madagascar, Mascarenes, Aldabra and Comoros. The…