Taxonomic notes of subgenus Velia (Cesavelia) Koçak & Kemal, 2010 (Hemiptera, Heteroptera, Veliidae) from China, with description of one new species.

Velia (Cesavelia) buisp. nov. from Hubei Province, China is described, and Velia (Cesavelia) tonkina Polhemus & Polhemus, 2003 is newly recorded from China. In addition, new distribution data for three species of Velia (Cesavelia), V.longiconnexiva Tran, Zettel & Buzzetti, 2009, V.sinensis Andersen, 1981 and V.tonkina Polhemus & Polhemus, 2003 are provided. Photographs of the habitus in dorsal and lateral views, metafemora of males, genitalic structures and habitats, along with a distribution map of this subgenus, are provided.

Two new species of Valleriola (Hemiptera: Heteroptera: Leptopodidae) and taxonomic notes on the tribe Leptopodini Brullé, 1836 from East and Southeast Asia.

Two species of the genus Valleriola Distant, 1904 (Heteroptera: Leptopodomorpha: Leptopodidae: Leptopodinae: Leptopodini) are described as new: Valleriola asiatica sp. nov. from Laos and Hainan Island of China, and Valleriola bui sp. nov. from Laos and Thailand. In addition, Leptopus riparius Hsiao, 1964 is newly recorded for Vietnam, Valleriola javanica Drake & Hottes, 1951 is newly recorded for Laos, and additional records are provided for Leptopus riparius, Valleriola javanica and Valleriola buenoi (Usinger, 1942). Photographs of the dorsal habitus, heads, hemelytra, fore femora, male parameres and live specimens are provided, accompanied by a distribution map for the species of Leptopodini occurring in East and Southeast Asia.

Notes on the genus Pseudovelia Hoberlandt, 1950 (Hemiptera: Heteroptera: Veliidae) with description of four new species from the East and Southeast Asian mainland.

Four species of the genus Pseudovelia Hoberlandt, 1950 from the East and Southeast Asian mainland are described as new: Pseudovelia curvisetae sp. nov. from Yunnan of China, P. shaanxiensis sp. nov. from Shaanxi of China, P. zhengi sp. nov. from Anhui of China and P. plauta sp. nov. from Malaysia. In addition, P. buccula Andersen, 1983 and P. takarai Miyamoto, 1964 are newly recorded from China. Photographs of the male and female dorsal habitus, male fore, middle, and hind legs, and male genitalic structures are provided, accompanied by line drawings of male genitalic structures and a distribution map.

Notes on the genus Perittopus Fieber, 1860 (Hemiptera: Heteroptera: Veliidae) with descriptions of three new species from Indochina.

Three species of the genus Perittopus Fieber from Indochina are described as new: P. anthracinus sp. n. from Yunnan of China, P. laosensis sp. n. from Laos and P. trizonus sp. n. from Thailand. Photographs of key female and male characters and male genitalic structures are provided, accompanied by a distribution map for the species of Perittopus occurring in Indochina.