pepsenae: tribe pepsini 13 



Anal lobe about 0.75 as long as the submediella (pi. 1, fig. 1); subgenital 

 plate usually subcircular, evenly and strongly concave, its free margin 

 with a fringe of longer hairs; outer claw of fore tarsus with a long subappressed 

 tooth; pubescence of body and head dense, that on the abdominal tergites 

 dense enough that the tergites appear dull, ptrbhomelas group ... 3 



2. Subgenital plate broadly ligulate with the apex subtruncate; genitalia not 



ordinarily visible beyond the sugenital plate; longer hairs of thorax 



whitish 1. albopilosus (Cresson) 



Subgenital plate crescent shaped (due to a deep and broad apical semicir- 

 cular emargination) ; genitalia ordinarily visible beyond the subgenital plate 

 as a pair of divergent, hairy, fingerlike processes; longer hairs of thorax 

 black 2. fortis (Cresson) 



3. Forewing mostly orange 4 



Forewing black, or black with a median orange spot 6 



4. Forewing with a subapical fuscous cloud in addition to the fuscous apical 



margin; temple about 0.5 as long as the eye .... 3. deceptus (Banks) 



Forewing without a subapical fuscous cloud; temple about 0.58 to 0.75 as 



long as the eye S 



5. Apical margin of fifth sternite weakly emarginate; sixth sternite conspiciously 



punctate; pleura and propodeum dull; basal infuscation of forewing restricted 

 to a distance beyond the edge of the tegula equal to about 1.5 the width of 



the tegula 6. heiligbrodtii (Cresson) 



Apical margin of fifth sternite strongly emarginate; sixth sternite incon- 

 spicuously punctate, smooth; pleura and propodeum somewhat shining; 

 basal infuscation of forewing restricted to a distance beyond the edge of the 

 tegula equal to about 2.5 the width of the tegula . 4. pyrrhomelas (Walker) 



6. Tibiae and abdomen brownish red; propodeum with numerous coarse punctures 



in addition to the dense fine punctures 8. validiis (Cresson) 



Tibiae and abdomen black; propodeum with scattered medium-sized punctures 

 in addition to the dense fine punctures 7 



7. Hair on fifth sternite about 1.3 as long as the length of the sternite; transverse 



groove on second sternite foveolate; forewing with a median orange spot 



(pi. 2, fig. 15) 5. macidipennis (Smith) 



Hair on fifth sternite about 0.5 as long as the length of the sternite; transverse 

 groove on second sternite not foveolate; forewing entirely black, 



7. ferocuHs (Banks) 



FEMALES 



1. Anal lobe about 0.55 as long as the submediella; head and body with 



moderately dense pubescence, the pleura shiny, with their setiferous punctures 

 distinctly separated; teeth on outer side of hind tibia subobsolete, 



ALBOPILOSUS GROUP 2 



Anal lobe about 0.75 as long as the submediella (pi. 1, fig. 1) ; head and body 

 with very dense pubescence, the pleura dull, with their setiferous punctures 

 contiguous; teeth on outer side of hind tibia distinct, pyrrhomelas 



GROUP 3 



2. Second flagellar segment about 2.0 as long as wide; forewing about 6.5 to 10 



mm. long, moderately infuscate; head and body a httle less densely and more 

 coarsely punctate; dorsal face of pronotum a little shorter. 



1. albopilosus (Cresson) 



347756—57- 



