Table 1 in A new genus and species of minute litter bugs family Schizopteridae Reuter, 1891 from China (Hemiptera, Heteroptera, Dipsocoromorpha)

Table 1. Comparision of Cornonannus gen. nov., Ogeria Distant 1913, Pachyplagia Gross, 1951, and Kaimon Hill, 2004 (partly modified from Hill 2004.
CharacterPachyplagiaCornonannusOgeriaKaimonBody length1.33-1.51mm1.47-1.64mm0.79-1.33mm0.76-1.04mmHead peculiar structureabsentfrons with processabsentsometimes vertex with a pit or U-shaped groove and lobeFrons cibarial muscle scarsdiscrete from vertex groupnot evidentconcurvilinear with vertex groupForm of vertex cibarial scarsdeep furrow × 25 coarse pits × 24 coarse pits × 2several fine pits × 2Pronotal collarpresentabsentpresentabsentMale tarsal formula2-2-33-3-3Male fore- and middle tarsislenderincrassateForewing C+SC of macropterousgreatly inflatednormalsometimes inflatednormalMesosternal keelsmallmediumlargePosterior margin of pygophoreconvexemarginateCarinulation of male dorsumtergites I-VItergites I-VIItergites I-VIIItergites I-VIILength of carinulae on tergite III-VIhalf tergitehalf to three-quarter tergitefull tergitethird to half tergiteCarinulation formlong tuberclesround tuberclescontigous carinaeLeft paramere formshort, oblonglong, slenderLeft paramere basal digitpresentabsentRight paramere formlong, slendershort, taperingvery short, trilobateAnophoric appendagepresentabsent