Oxycarenidae

Dellapé, Pablo Matías & Cheli, Germán Horacio, 2007, A new species of Anomaloptera Amyot & Serville from Patagonia (Hemiptera: Lygaeoidea: Oxycarenidae), Zootaxa 1528, pp. 65-68 : 68

Key to the Argentinean Oxycarenidae (modified from Kormilev 1950)

1. Rostrum reaching base of abdomen; claval suture shorter than scutellum; fore femur multispined .................................................................................................................................................................. Oxycarenus hyalinipennis Costa

- Rostrum shorter, reaching mesosternum or anterior border of metasternum; claval suture longer than scutellum; fore femur with one subapical spine.....................................................................................................................................2

2. Hemelytra slightly convex, membrane well developed with branched veins; mesosternun long, distance between forecoxa and mesocoxa more than twice than distance between mesocoxa and metacoxa ................................................................................................................................................................................................ A. leucocnemis (Berg)

- Hemelytra strongly convex, membrane reduced or absent; mesosternum shorter, distance between forecoxa and mesocoxa similar to distance between mesocoxa and metacoxa..................................................................................3

3. With small ocelli. Membrane of hemelytra reduced, without veins or exceptionally with unbranched veins; coloration of pronotum and scutellum similar to coloration of hemelytra ........................................................................................................................................................................................................................ A. coleopteroides (Kormilev)

- Without ocelli. Membrane of hemelytra absent; coloration of pronotum and scutellum contrasting with paler coloration of hemelytra............................................................................................................................. A. patagonica n. sp.