Key to Peltonotellus species of China

1. A wide white or yellowish white longitudinal stripe in middle line from vertex to mesonotum, frons without large black circular mark in median area (male and female).................................................................. 2

-. A wide pale yellow longitudinal stripe in middle line from vertex to anal segment, frons between submedian carinae and median carinae each with a large black circular mark (male and female)................ P. fasciatus (Chan et Yang, 1994)

2. Female dark brown, abdomen with fuzzy dark stripe (Figs 21, 23, 37) (male black, tegmen unicolor (Fig. 20))............ 3

-. Female light brown, abdomen with longitudinal black and off-whit stripes in middle (Figs 4, 6) (male brown, fore wing with a white oblique stripe (Figs 1, 3))............................................................. P. brevis sp. nov.

3. Female with frons between sublateral carinae without any dark spots or stripes, upper margin straight, fore wings subtransparent, relatively short, not fully covering the tergite IV of abdomen (Figs 37, 38)............... P. labrosus Emeljanov, 2008

-. Female with frons between sublateral carinae with a short transverse macula in apical one third across of median carina and with black mark inside of sublateral carinae, with upper margin slightly concave, fore wings nearly subtransparent, relatively long, fully covering the tergite IV of abdomen (Figs 21–23)........................................ P. niger sp. nov.