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…

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.…

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…

In the years 1992 and 1993, the Austrian entomologist Michael Madl collected semiaquatic Hemiptera on Nosy Boraha (Île Sainte Marie), a small island near the north-eastern coast of Madagascar. The collected material contains five species of Rhagovelia Mayr, 1865, two of which are new…

A new species of scarab beetle, Termitotrox icarus sp. nov., is described from central Myanmar, being the third representative of the genus Termitotrox Reichensperger, 1915 from the Indo-Chinese Subregion of the Oriental Region. The majority of the type series was…

Diving beetles in the genus Platynectes (s. str.) in South America are relatively large and charismatically colored, yet relatively rare in museum collections. Recent fieldwork in northern and central South America has resulted in the collection of hundreds of new specimens that…

Japanese species of the genus Epiphragma Osten Sacken, 1860 are revised. Epiphragma amamiense sp. nov. is described, and E. gracilistylus Alexander, 1933 and E. kempi Brunetti, 1913 are recorded from Japan for the first time. It is revealed that…

Two new species of Machilinus Silvestri, 1905 (M. petrophilus Kaplin, sp. nov., M. obscurus Kaplin, sp. nov.) from Ukraine and one new species of Charimachilis Wygodzinsky, 1939 (C. rostoviensis Kaplin sp. nov.) from Southern Russia are described. The new species of Machilinus belong to the…