Abstract
Diestostemmabicristatasp. nov., is described from Napo Province, Ecuador. It is unusual for the genus in lacking a visible white powdery covering, having raised, weakly reticulate veins on the forewing, a short metathoracic femur (half length of the metathoracic tibia), and is the only species with a double-crested pronotum.
Highlights
Sharpshooters are members of the cosmopolitan Cicadellinae, the third largest leafhopper subfamily, with over 2200 valid species among 327 genera
Species of the genus Diestostemma occur from Mexico to Argentina and are distinguished by an apical scar at the apex of the head and a digitate posterior process on the pronotal lateral lobe, both of which are present in the new species described here
Terminology for general morphology was based on Young (1968), and Mejdalani (1998), while leg chaetotaxy follows Rakitov (1998)
Summary
Sharpshooters are members of the cosmopolitan Cicadellinae, the third largest leafhopper subfamily, with over 2200 valid species among 327 genera. Species of the genus Diestostemma occur from Mexico to Argentina and are distinguished by an apical scar at the apex of the head ( present in Proconia Le Peletier & Serville) and a digitate posterior process on the pronotal lateral lobe (the portion behind the eye), both of which are present in the new species described here.
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