Table 5.

Summary of main diagnostic features of acidocerine genera.

Genus	Size	Antennomeres	Sutural Stria	Serial punctures or striae	5th Ventrite	Metafemora
Acidocerus	2.8 mm	9	Absent	Present	Emarginated	Mostly pubescent
Agraphydrus	1.4-4.8 mm	8 or 9	Absent	Variable	Variable	Variable
Aulonochares	5.8-7.5 mm	9	Absent	Absent	Emarginated	Mostly pubescent
Batochares	3-4 mm	9	Absent	Present	Truncate	Mostly pubescent
Chasmogenus	2.5-5.0 mm	8	Present	Absent	Emarginated (weak)	Mostly Pubescent
Colossochares	8.5-14.0 mm	9	Absent	Absent	Emarginated	Mostly pubescent
Crephelochares	2.5-4.8 mm	9	Present	Absent	Emarginated (weak)	Mostly pubescent
Crucisternum	2.0-2.5 mm	9	Absent	Absent	Rounded	Mostly pubescent
Ephydrolithus	1.8-3.3 mm	9	Absent	Variable	Truncate	Mostly glabrous
Globulosis	1.9-2.3 mm	8	Absent	Absent	Emarginated	Mostly pubescent
Helobata	4-7 mm	8	Absent	Variable	Emarginated	Mostly pubescent
Helochares	2-7 mm	9	Absent	Variable	Emarginated	Mostly pubescent
Helopeltarium	3.5 mm	9	Absent	Absent	Emarginated	Mostly pubescent
Katasophistes	2.7-4.5 mm	9	Absent	Absent	Emarginated (weak)	Mostly pubescent
Nanosaphes	1.1-1.5 mm	8	Absent	Absent	Emarginated	Mostly pubescent
Novochares	4.5-9.0 mm	9	Absent	Variable	Emarginated	Mostly pubescent
Peltochares	6-14 mm	9	Absent	Variable	Emarginated	Mostly pubescent
Primocerus	2.4-4.9 mm	8	Present	Variable	Variable	Variable
Quadriops	1.6-2.6 mm	9	Absent*	Variable	Rounded	Mostly glabrous
Radicitus	4.5-6.2 mm	9	Absent	Variable	Rounded	Pubescent on anterior third
Sindolus	2.5-5.0 mm	9	Absent	Absent	Emarginated	Mostly pubescent
Tobochares	1.5-2.6 mm	8	Absent*	Variable	Rounded	Mostly glabrous
Troglochares	1.9 mm	9	Absent	Absent	Rounded	Pubescent (~half)*

* When impressed, the stria I on each elytron can be comparatively more strongly impressed, specially along the posterior half of the elytron, which might resemble a well-developed sutural stria.