Contribution to knowledge of the genus Dimecoenia Cresson, 1916: V. On new species from Rio de Janeiro,RJ (Diptera: Ephydridae).

Diphuia can be distinguished from other gen- era of Hecamedini as follows (characters indicated by an aster- isk (*) are apomorphies that corroborate the monophyly of Diphuia )

diferencia-se de Phorastes Kirkaldy, 1900 por apresentar: ausência de reverberação metálica no tegumento; cabeça pouco mais comprida que o lobo anterior do pronoto (Fig. 2);

Antenas mais curtas que a diagonal cefálica; relação comprimento antena: cabeça = 0,65 : 1,0; antenômeros I e II com 7 e 11 cerdas respectivamente; órgão sensorial

appendage (ria) deeply and broadly incised at about half length; its inner branch slightly longer than dorsal plate, gradually tapered, subacute apically; its outer branch slightly

he genus was revised by Quintero and Reyes-Castillo (1983) and is characterized by the wide antennal lamellae (equal or subequal to each other), presence of the fronto- clypeal

All species of Vitrea living in Bulgaria can well be distinguished by their shell characters (Damjanov and Likharev 1975, Irikov et al. 2004), but many aspects of their

Teredorus lavistrial Zheng, 2006, exhibits frontal ridge straight before lateral ocellus in proile; posterior process of pronotum reaching apex of hind tibia; width of mid

Material Examined for Description.. tung County, Taiwan, intertidal rock pools, M. Supraorbital cirrus simple and minute, sometimes too small to ind. Nasal cirrus leaf-like and