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Acta Entomologica Musei Nationalis Pragae

2020
Volume 60 - Number 2
published on: 17th June 2020
60 (2)
Hájek Jiří, Ivie Michael A., Lawrence John F.Binhon atrum Pic – a junior synonym of Plastocerus thoracicus, with nomenclatural notes on Plastocerus (Coleoptera: Elateridae: Plastocerinae)Acta Entomologica Musei Nationalis Pragae 60(2): 391-396
Abstract: //Binhon atrum// Pic, 1922, an enigmatic genus and species described in the family Dascillidae based on a single female from Vietnam, is illustrated, diagnosed and formally synonymised with //Plastocerus thoracicus// Fleutiaux, 1918 (Elateridae: Plastocerinae). The species is recorded from China (Guangxi, Yunnan) for the first time. The taxonomic history of the genus //Plastocerus// Schaum, 1852 (not //Plastocerus// LeConte, 1853) with emphasis on its synonyms, is briefly summarised.Published online: 17th June 2020
Lackner TomášA review of Gnathoncus of Southeast Asia (Coleoptera: Histeridae: Saprininae)Acta Entomologica Musei Nationalis Pragae 60(2): 397-409
Abstract: Six species of the genus //Gnathoncus// Jacquelin du Val, 1857 occur in the region of Southeast Asia: //G. brevisternus// Lewis, 1907, //G. semimarginatus// Bickhardt, 1920, //G. viet­namicus// Kryzhanovskij, 1972, //G. rotundatus// (Kugelann, 1792), //G. nannetensis// (Marseul, 1862), and the newly described //G. sechuanus// sp. nov. (China: Sichuan). Two rare species, //G. brevisternus// and //G. semimarginatus//, are redescribed; all species are figured and keyed. The lectotype of //Gnathoncus brevisternus// is designated and the species is newly reported from Vietnam and Nepal.Published online: 19th June 2020
Nabozhenko Maxim, Keskin Bekir, Papadopoulou AnnaTwo new species and new records of darkling beetles of the tribe Helopini from Turkey and Cyprus (Coleoptera: Tenebrionidae)Acta Entomologica Musei Nationalis Pragae 60(2): 411-417
Abstract: Two new species of the tribe Helopini (Coleoptera: Tenebrionidae) are described from Turkey: //Nalassus// (//Nalassus//) //becvari// sp. nov. (Elazığ Province) and //Hedyphanes// (//Hedyphanes//) //kmenti// sp. nov. (Artvin Province). The first species is characterized by strongly thickened antennomeres 2–8 and differs from all Turkish //Nalassus// s. str. Mulsant, 1854 in the ventral aspect of eye, which bears a weak posterior ventral impression (rather than a distinct groove of other species). The second species belongs to the species group with asperate punctation of the prothoracic hypomera and differs from all //Hedyphanes// Fischer von Waldheim, 1820 in the presence of suberect pubescence on both sides of elytral base. Distribution of some Helopini (the //Helops// genus-group, subtribe Helopina) from Anatolia and Cyprus is updated with new data. //Hedyphanes mannerheimi// Faldermann, 1837 is recorded for Turkey (Iğdır Province) for the first time. //Helops caeruleus caeruleus //Linnaeus, 1758 from Pervolia is a new record for Cyprus and the occurrence is probably a result of anthropogenic introduction.Published online: 25th June 2020