SCENOPINIDAE OF THE WORLD 



255 



Tvpe-loortlity: Suiza, Costa Rica; July 1926 (Pablo Schild). 



Holotype: Male (USNiM) 67456. 



Allotype: Female, same data except September (USNM). 



171. Pseudatrichia longurio (Loew) 



Figure 165 



Atrichia longurio Loew, 1866, p. 42. 



The type of this species was mistaken for a male, which resulted in a 

 serious misinterpretation of the genus by most European dipterists. 

 This species is one of the largest seen. The reader is referred to the 

 figure for pertinent details. 



Figure \6S. —Pseudatrichia longurio (Loew), female: a, wing; b, lateral aspect of head; c, 

 enlarged detail of antenna; d, ventral left and dorsal right aspect of 8th and 9th segments, 

 dotted lines outline a black patch on 8th tergum; e, lateral aspect of 8th and 9th segments. 



