The mirine plant bug genus Diognetus Distant, 1904 (Hemiptera: Heteroptera: Miridae: Mirinae: Mirini) is revised. Eighteen Oriental and Eastern Palearctic species are properly assigned to the genus. Diplotrichiella Poppius, 1915, syn. nov. and Yamatolygus Yasunaga, 1994, syn. nov. are synonymized…

Seven new species of the genus Platynectes Régimbart, 1879 from the Solomon Islands are described: Platynectes barana sp. nov., P. mbaole sp. nov., P. popomanaseu sp. nov. (all from Guadalcanal), P. lunga sp. nov. (Guadalcanal and Savo), P. malaita sp. nov. (Malaita), P. makira sp. nov.…

The genus Cybister Curtis, 1827 is reviewed with respect to the fauna of China. A new species, Cybister (Melanectes) danxiaensis sp. nov. is described and illustrated. Altogether, 16 Cybister species are recorded from China, although the status of two of them remains in question. All…

Despite much recent progress, knowledge of Afrotropical Hydraenidae remains limited, particularly in areas experiencing tropical climates, where large numbers of species likely remain undetected. Here, three new species are described from material recently collected from two Malawian mountains:…

Five species of the Lathrobium nomurai group are (re)described: Lathrobium nomurai Nakane, 1955, L. fujimotoi Y. Watanabe, 2001, L. hikosanense Y. Watanabe, 1998, L. yufuense sp. nov., and L. denchu sp. nov. All species inhabit the upper hypogean zone or are found under stones in the northern…

The diving beetle genus Rhithrodytes Bameul, 1989 is endemic to areas surrounding the Western Mediterranean Basin, and currently includes six lotic species; three each in Europe and North Africa. Here we describe a striking new species, Rhithrodytes pantaleonii sp. nov., discovered during…

We revise the genus Ivanauskiella Ivinskis & Piskunov, 1980. Six new species are described: I. sutteri sp. nov. (Greece: Crete), I. bovis sp. nov. (Morocco), I. nigripunctata sp. nov. (Spain), I. annekristinae sp. nov. (France: Corsica), I. limoniella sp. nov. (Bulgaria, Ukraine, Turkey,…

A highly distinctive genus of pselaphine tribe Batrisini, Feabatrus gen. nov., is described based on Leonardo Fea’s historical collection housed in the Museo Civico di Storia Naturale “G. Doria” di Genova, Italy. The genus includes two new species from Myanmar, F. myanmarensis sp. nov. and…

Both Metrodorinae and Cladonotinae are polyphyletic subfamilies of Tetrigidae and are thus in need of revision. This paper offers a key step toward this by defining the nominotypical tribe of Metrodorinae, Metrodorini Bolívar, 1887 that encompasses mostly apterous species with arcuate median…

The Philippine species of the genus Allorhynchium van der Vecht, 1963 are revised, with three species recognized: A. angulatum sp. nov., A. cariniventre Giordani Soika, 1986, and A. quadrituberculatum (von Schulthess, 1913) (= A. violaceipenne Gusenleitner, 2003, syn. nov.). Three additional…

Two new species of the genus Sunius Stephens, 1829 are described from southern Spain: Sunius tricoliensis sp. nov. and Sunius lauxaensis sp. nov., both found in the same mountain massif, Sierra Gorda de Loja, Granada, Andalusia, but at different altitudes. Colour images of the adult habitus,…

Nineteen species of the subgenus Aphantorhaphopsis Townsend, 1926 of the genus Siphona Meigen, 1803 from East Asia and the Oriental Region are revised. Of these, 14 species are classifi ed into three species groups based mainly on the male postabdomen: the S. perispoliata group, the…