Revision of the genus Listroptera Audinet-Serville and description of Aguassay, new genus (Coleoptera, Cerambycidae, Cleomenini)

The genus Listroptera Audinet-Serville (type species Callidium tenebrosum F abricius) is revised and the following species redescribed: L. tenebricosa (Olivier) and L. carbonaria Chevrolat. Aguassay. new genus, is described ba sed on Cerambyx collaris Klug. up to now belonging to Listroptera. Aguassay collaris (Klug), new combination, is redescribed and its geographical dist ribution widened. A key to recognize the neotropical genera Dihammaphora Ch evrolat, Haenkea Tippmann. Listroptera Audinet-Serville and Aguassay. all o f which form a homogeneous group within the tribe Cleomenini. is also inclu ded.