Key to genera:

1	Third abdominal sternite anteromedially with a spur produced forwards, surpassing at least the median coxae.	2
	Third abdominal sternite anteromedially at most with a small spine or tubercle, not surpassing the median coxae	8
2	Spur of the third abdominal sternite reaching middle of the mesosternum or the anterior coxae	3
	Spur of the third sternite at most slightly surpassing the median coxae	7
3	Anterior femora with a strong spine on the subapical ventral margin	4
	Anterior femora unarmed	5
4	Lateral margins of pronotum broadly con- vex	Oncomeris Laporte
	Lateral margins of pronotum straight.	Plisthenes Stål
5	Antennae five-segmented	Lyramorpha .(subgen. Lyramorpha) Westwood
	Antennae four-segmented	6
6	Abdomen regularly and strongly tapering posteriorly	Lyramorpha (subgen. Diploxyphus and Lyrodes Horváth)
	Abdomen ovoid	Tamolia Horváth
7	Head long, about as long as wide	Erga Walker
	Head short, wider than long by about 30 percent	Garceus Distant
8	Third abdominal sternite with anteromedian spine or tubercle surpassing the posterior coxae.	9
	Third abdominal sternite with at most a small anteromedian spine or tubercle	10
	Mandibular plates strongly convex, with a tooth in front of eye, antennae five-segmented	Tibiospina Sinclair
9	Mandibular plates slightly convex, almost straight, antennae four-segmented	Agapophyta Guerin-Méneville
10	Metasternum strongly elevated between median and posterior coxae, pointing forwards to  anterior coxae	Piezosternum Amyot & Serville,
	Metasternum without such elevation	11
11	Antennae four-segmented	Stilida Stål
	Antennae five-segmented.	12
12	Connexival margins with posterior and anterior margins largely dark brown, sometimes entirely dark brown	13
	Connexival margins almost entirely testaceous, sometimes with very small spots posteriorly and on the margin	15
13	Posterior tibia with a tooth at the base of inner margin	Rhoecus Bergroth
	Posterior tibia unarmed	14
14	Humeral angles of pronotum sharp, widely surpassing the hemelytra	Neosalica Leston & Scudder
	Humeral angles of pronotum blunt, not surpassing the hemelytra	Musgraveia Leston & Scudder
15	Scutellum long, apex acute	Sciadiocoris Magnien & Pluot-Sigwalt
	Scutellum shorter, apex rounded or almost truncated	16
16	Large species (body length more than 20 mm), head longer than wide	Peltocopta Bergroth
	Small species (body length 14-17 mm), head shorter than wide by about 30 %	Cumare Blöte

Comments; The present key is an adaptation of the one given by Sinclair, 2000