Empicoris

Ishikawa, Tadashi, Truong, Xuan Lam & Okajima, Shûji, 2012, The emesine assassin bug genus Empicoris (Hemiptera: Heteroptera: Reduviidae) from Vietnam, with descriptions of two new species, Zootaxa 3181, pp. 47-57 : 57

Key to the species of Empicoris from Vietnam

1 Lateral carina of posterior pronotal lobe less than half of posterior lobe........................................... 2

- Lateral carina of posterior pronotal lobe developed throughout length of posterior lobe............................... 3

2 Posterior lobe of head almost same as anterior lobe in level of dorsal elevation; apicalmost blackish annulation on metafemur 1.5 times or more than 1.5 times as long as distal whitish part........................... E. rubromaculatus (Blackburn)

- Posterior lobe of head a little more convex than anterior lobe; apicalmost blackish annulation on metafemur as long as or less than distal whitish part.................................................................. E. minutus Usinger

3 Posterior pronotal lobe without conical tubercle posteromedially................ E. tesselatoides Wygodzinsky et Usinger

- Posterior pronotal lobe with conical tubercle posteromedially................................................... 4

4 Posterior lobe of head with small tubercle behind interocular furrow; posterior pronotal lobe without a pair of longitudinal whitish stripes; hemelytral pterostigma well exceeding apex of discal cell...................................................................................................... E. montanus Ishikawa, Truong et Okajima sp. nov.

- Posterior lobe of head without small tubercle behind interocular furrow; posterior pronotal lobe with a pair of longitudinal whitish stripes; hemelytral pterostigma a little exceeding apex of discal cell................................................................................................... E. laocaiensis Ishikawa, Truong et Okajima sp. nov.