Psilotreta frontalis, Banks, 1899

Oláh, János & Johanson, Kjell Arne, 2010, Description of 33 new species of Calamoceratidae, Molannidae, Odontoceridae and Philorheithridae (Trichoptera), with detailed presentation of their cephalic setal warts and grooves 2457, Zootaxa 2457 (1), pp. 1-128 : 105

Psilotreta frontalis , new diagnostic species-group

The species in this diagnostic species-group are characterized by posessing a combination of genitalic characters, i.e. each harpago originates from the apex of the coxopodites; the apex of the harpagones each with few and large spines; and the absence of parameres in the phallic apparatus.

The 6 species of this diagnostic species-group occur in eastern North America: P. amera Ross, 1939 ( USA), P. frontalis Banks, 1899 ( USA), P. indecisa Walker, 1852 ( Canada) , P. labida Ross, 1944 ( USA), P. rossi Wallace, 1970 ( USA), and P.rufa Hagen, 1861 ( USA).