462 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lu 



Atopsyche species 2 



Figure 2,e 



The larva here described agrees in structural details with that of 

 species 1 , but is colored differently. 



Larva. — Length 12 mm. Head reddish brown, yellowish along 

 anterior margin, around eyes, and posteriorly (fig. 2,e). Pronotum 

 almost uniformly golden-yellow, with darkened spots at setal bases, 

 posterior margin, and anterolateral angle black (fig. 2,e). Anal proleg 

 appearing to lack baso ventral spine. 



Material. — Panama: Rio Chiriqui, Volcan, Mar. 1, 1924, F. J. 

 Foster, 1 prepupa (USNM). 



Figure 4. — Hydrobiosinae genus A: a, larval head and pronotum, dorsal view; b, larval 

 mandibles, dorsal; c, femur through tarsal claw of larval foreleg, posterior face; d, larval 

 prosternum, ventral; e, left anal proleg of larva, lateral. 



