Hypselosomatinae, Esaki & Miyamoto, 1959

Almeida, Flavio Roberto De Albuquerque, Carvalho-Filho, Fernando Da Silva & Fernandes, Jose Antonio Marin, 2019, A new species of Hypsohapsis (Heteroptera: Schizopteridae: Hypselosomatinae) from the Brazilian Amazon, Zootaxa 4551 (4), pp. 463-470 : 464

Key to the genera of Hypselosomatinae , indicating known distribution of genus

(NW = New World; OW = Old World). Modified from Hill (1984) and Hoey-Chamberlain & Weirauch (2016)

1. First labial segment dorsally expanded, appearing lobelike in lateral view (figs. 12B and 12C in Hoey-Chamberlain & Weirauch 2016).......................................................................................... 2

- First labial segment not dorsally expanded.................................................................. 4

2. Third and fourth labial segments not distinctly separated, with a sclerotized, hornlike or tubular structure occupying both segments (fig. 12D in Hoey-Chamberlain & Weirauch 2016)...................................... Williamsocoris (NW)

- Third and fourth labial segments distinctly separated and without any ornamentation................................ 3