Mesovelia Mulsant & Rey, 1852

Jehamalar, E. Eyarin, Chandra, Kailash & Polhemus, Dan A., 2019, Review of the Mesovelia horvathi species complex (Hemiptera: Gerromorpha: Mesoveliidae), with the description of seven new species from India, Zootaxa 4651 (3), pp. 471-496 : 472

Genus Mesovelia Mulsant & Rey, 1852

Diagnosis. Mesovelia is characterized by the presence of the following characteristics: the antennal tubercle is well developed, and the first antennomere has two subapical spiniform setae dorsally and a single thick seta ventrally; the rostrum is mostly yellowish brown except for the black fourth article, which reaches the middle of the hind coxa; the anterior and posterior margins of the pronotum are straight; the mesonotum is posteromedially produced; the posterior margin of the metanotum is straight; the extensor region of the fore femur has a single subapical setiform spine, and the mid and the hind femur have two subapical spines; the hind tibia is sparsely clothed with medium sized and long dark spines; the apices of the fore and mid tibiae dorsally have grooming combs; sternum VIII of the male mostly has spiniform setal tufts or other modified structures, although these are absent in few species; the proctiger has a short to long median lateral process; the female is somewhat larger and broader than the male. The macropterous form has a pair of small ocelli.