Dimorphopalpa, a new genus of tortricid moths from Central and South America (Lepidoptera : Tortricidae : Euliini)

Dimorphopalpa, NEW GENUS. is described from Central and South America. Five species are recognized: D. albopunctana, NEW SPECIES, from Costa Rica and Venezuela; D. striatana, NEW SPECIES, from Costa Rica and Venezuela; D, str iatanoides, NEW SPECIES, from Ecuador and Colombia; D. teutoniana, NEW SPEC IES, from Brazil (type species): and D. xestochalca (Meyrick), NEW COMBINAT ION, from Colombia. Putative synapomorphies for species of the new genus in clude the following: 1) sexually dimorphic labial palpi; those of the male are moderate in length while those of the female are exceedingly elongate: 2) male genitalia with a pair of unique, sclerotized, ventrally projecting extensions of the tegumen between the base of the uncus and base of the gna thos; and 3) short, rounded valvae. Dimorphopalpa appears to be most closel y related to Uncicida Razowski, with which it shares similar processes from the gnathos and a pair of lateral, rounded structures distally on the caul is of the acdeagus that represent the point of attachment to the juxta.