Gauromydas Wilcox, Papavero & Pimentel

Gauromydas Wilcox, Papavero & Pimentel, 1989: 104 . Type-species: Mydas heros Perty, 1833 (orig. des.).

Diagnosis. Antenna at least as long as head width, or up to 2 times longer. Distal portion of postpedicel 5 to 6 times longer than wide (measures not taken for G. autuorii and G. m a t eu s sp. nov.). Hind femur 1.5 to 2.5 times wider than hind tibia. Hind tibia with well-developed ventral keel and apical spur, the latter always larger than width of hind tarsomere 1 (except in female G. mystaceus). Hind tarsomere 1 2–3.4 times longer than wide, about as long as T3–4 together, slightly shorter than tarsomere 5 or up to 2.2 times longer. Phallus with a distinct dorsal crest (phallic crest).

Distribution. Argentina, Brazil, Costa Rica, Guyana, French Guyana, Paraguay, Peru, Trinidad and Tobago, Surinam.