364 



NEW YORK STATE MUSEUM 



pale buff colored above, lateral margin sparsely sprinkled with 

 small irregular black specks; legs pale yellowish, unspotted, 

 fourth and fifth tarsal joints slightly darkened; claws simple; 

 legs and abdomen covered with long, loose yellow hair ; wings uni- 



Fig-. 103 Mandible and mandibular fan of Say omx^i a albipes 



formly pale yellowish, the veins, the hair on them and the ihalteres 

 same color. Length 5I/2 mm. 



Male. Antennae thickly clothed with long, black grayish 

 plumes ; basal segment subglobose, 3-ellowish ; other segments semi- 

 transparent, annulate with yellowish. Palpi short, thickly 

 clothed with dark brown or almost black 

 hairs. Basal segment rather short, sub- 

 conic, second and third equal, stout; termi- 

 nal segment slender, nearly twice the 

 length of the third. Eyes, black. Thorax 

 with submedian, straw yellow lines abbre- 

 viated posteriorly and margined laterally 

 with dark brown; sublateral stripes of the 

 same color posteriorly, margined with 

 dark brown anteriorh^ and toward the 

 middle and with a rather broad, lateral, 

 white stripe; sparsely clothed with rather long, fulvous hairs. 

 Abdomen whitish, with an irregular, bluish tint in places and 

 irregular fuscous spots at the anterior lateral margins of the first 

 to sixth segments inclusive ; several ^inute dorsal, black spots on 

 the posterior abdominal segments. Ventral surface unicolorous, 



Leaflike append- 

 albipes 



