The Hydrophiloid beetles of Socotra Island (Coleoptera: Georissidae, Hydrophilidae)

Fikáček Martin, Delgado Juan A. , Gentili Elio
Acta Entomologica Musei Nationalis Pragae 52(supplementum 2): 107-130, 2012
Views: 1248
Abstract: The hydrophiloid beetles (Georissidae, Hydrophilidae) of Socotra Island (Yemen) are reviewed based mainly on the material collected during the Czech expeditions undertaken between 2000 and 2012. A total of 16 species are recorded, three of which are newly described herein: Georissus (Neogeorissus) maritimus sp. nov., G. (N.) nemo sp. nov. (Georissidae) and Hemisphaera socotrana sp. nov. (Hydrophilidae). Seven species are recorded from Socotra Island for the first time: Georissus (Neogeorissus) sp., Berosus corrugatus Régimbart, 1906, Laccobius eximius Kuwert, 1890, L. minor (Wollaston, 1867), L. praecipuus Kuwert, 1890, Enochrus nitidulus (Kuwert, 1888), and Sternolophus unicolor Laporte de Castelnau, 1840. The previously published Socotran record of Sternolophus decens Zaitzev, 1909 is considered as misidentification. The Socotran hydrophiloid fauna is found to consist mostly of widely distributed African, Arabian/Near Eastern, Oriental and cosmopolitan species. The three newly described species may be considered as endemic to Socotra, but two of them seem to have close relatives in Africa and southern India. Notes on the remaining described species of the genus Hemisphaera Pandellé, 1876 are also included.
Key words: Hydrophiloidea, Hydrophilidae, Georissidae, Georissus, Hemisphaera, new species, new records, Socotra, Yemen
Papers
Socotra Archipelago – a lifeboat in the sea of changes: advancement in Socotran insect biodiversity surveyList of local Socotran geographical names used in entomological literatureCalosoma chlorostictum ivinskisi, a new synonym of Calosoma chlorostictum chlorostictum (Coleoptera: Carabidae: Carabini)Annotated checklist of the Carabidae (Coleoptera) of the Socotra ArchipelagoThe Hydrophiloid beetles of Socotra Island (Coleoptera: Georissidae, Hydrophilidae)Limnebius dioscoridus sp. nov. from Socotra Island (Coleoptera: Hydraenidae)New species of Euconnus, subgen. Euconophron (Coleoptera: Staphylinidae: Scydmaeninae) from Socotra IslandBaeocera socotrana sp. nov., the first species of Scaphidiinae (Coleoptera: Staphylinidae) reported from Socotra IslandAfromorgus reiterorum sp. nov. (Coleoptera: Trogidae) from Socotra IslandTanyproctini (Coleoptera: Scarabaeidae: Melolonthinae) of Socotra IslandHomothyrea inornatipennis (Coleoptera: Scarabaeidae: Cetoniinae: Leucocelina): immature stages and distributionPolycestinae (Coleoptera: Buprestidae) of Socotra IslandA new species of the genus Chalcogenia from Socotra Island (Coleoptera: Buprestidae: Buprestinae: Anthaxiini)Description of Selasia socotrana sp. nov. (Elateridae: Agrypninae: Drilini) from Socotra Island, with notes on S. homhiliaPtinus bertranpetiti, a new species of spider beetle from Socotra Island (Coleoptera: Ptinidae)New species of Oryzaephilus and Silvanolomus from Socotra Island (Coleoptera: Silvanidae: Silvaninae)Phalacridae of Socotra Island (Coleoptera: Cucujoidea)A new species of Lamiogethes from Socotra Island (Coleoptera: Nitidulidae: Meligethinae)Description of a new Corticaria from Socotra Island (Coleoptera: Latridiidae)Mordellidae (Coleoptera) from Socotra IslandPtilophorus purcharti sp. nov., the first ripiphorid from Socotra Island, with an account of the biogeography of the Ptilophorini (Coleoptera: Ripiphoridae)Colydiinae (Coleoptera: Zopheridae) of Socotra IslandDescription of larva and pupa of the genus Deretus (Coleoptera: Tenebrionidae) with key to the larvae of the tribe HelopiniNanocaecus hlavaci gen. & sp. nov. – first record of the tribe Gnathidiini (Coleoptera: Tenebrionidae: Diaperinae) from the Socotra ArchipelagoA new species of the genus Corticeus (Coleoptera: Tenebrionidae) from Socotra IslandNew species of the genus Socotralia and first record of the genus Alogista from Socotra Island (Coleoptera: Tenebrionidae: Alleculinae)A review of the family Oedemeridae (Coleoptera) of the Socotra ArchipelagoStudies on the genus Anthelephila (Coleoptera: Anthicidae). 12. Review of the species from Yemen, including Socotra IslandSynonymical notes on the genus Sybrinus from Socotra Island (Coleoptera: Cerambycidae: Lamiinae)Bruchinae (Coleoptera: Chrysomelidae) from Socotra IslandCassidinae (Coleoptera: Chrysomelidae) from Socotra IslandTituboea purcharti sp. nov., the first representative of Clytrini from Socotra Island (Coleoptera: Chrysomelidae: Cryptocephalinae)Galerucinae (Coleoptera: Chrysomelidae) of Socotra Island, with a review of taxa recorded from YemenAlticinae (Coleoptera: Chrysomelidae) of Socotra IslandEumolpinae (Coleoptera: Chrysomelidae) of Socotra IslandDescription of a new species of Aglycyderes (Coleoptera: Belidae: Oxycoryninae)A new species of Halystus from Socotra Island (Coleoptera: Curculionidae: Scolytinae: Polygraphini)Description of male of Leucospis insularis (Hymenoptera: Chalcidoidea: Leucospidae) with new records and check-list of Chalcidoidea of Socotra IslandNew species and new records of mutillid wasps from the Socotra Archipelago (Hymenoptera: Mutillidae)A new species of the genus Gondwanoscurus, and two new records of non-biting moth flies (Diptera: Psychodidae: Psychodinae) from Socotra Island