摘要：Four species of Lachesilla, from Mexico and Guatemala, are here described and illustrated. Together withL. asperiforceps García Aldrete, from Mexico, Guatemala and Nicaragua, they constitute the L. asperiforceps speciescomplex, a diagnosis of which is provided, as well as identification keys to the males and females of the species in thecomplex. The types and other material studied are deposited in the National Insect Collection, within the Instituto deBiología, UNAM, México City (CNIN).
关键词：Biología; Zoología; Taxonomía;taxonomy; Mexico; Guatemala; Nicaragua; new species; identification keys; species complex diagnosis
