274 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Figures 147, 148. — Localities: 147 (left), Lanugo sororia; 148 (right), L. brunnipennis . 



articulation of mandible, lower median part of frons, occiput, pro- 

 sternum, prepectus, mesepimeron, median longitudinal stripe on pro- 

 podeum, various sutural markings on thorax, sclerotized part of under 

 side of first abdominal segment, and basal 0.3 ± of third tergite, black; 

 base of tergites 4-6 sometimes fuscous; tarsi yellowish fulvous, their 

 fifth segments brownish fulvous and basal 0.4 db of hind basitarsus 

 fulvous; wings yellow, the front wing banded with brown as in figure 

 354, the apex of hind wing brownish. 



Female: Front wing 9.7 to 11.5 mm. long; hypostomal carina distad 

 of occipital carina moderately high, about 0.3 as long as basal width 

 of mandible; epomia about 0.33 as long as height of pronotum; front 

 edge of pronotum at its lower 0.35 with a prominent angular project- 

 tion, the apex of projection about 90°; mesoscutum weakly mat, its 

 punctures small, sharp, separated by about 0.3 their diameter; notau- 

 lus rather sharp, reaching about 0.35 the distance to scutellum; apical 

 transverse carina of propodeum weak or obsolescent medially and 

 laterally, elsewhere sharp, sublaterally forming a weak crest; second 

 tergite strongly mat, with fine, adjacent punctures; ovipositor tip as in 

 figure 329,h, the upper valve depressed and flattened between nodus 

 and apex. 



Fulvous. More or less of central part of occiput and deeper thoracic 

 sutures black; basal 4 segments of flagelium fulvous brown, the next 

 5 segments pale yellow, fulvous brown below, the rest of flagelium dark 

 brown; wings yellow, the front wing banded with brown as in figure 355, 

 the apex of hind wing pale brown ; hind tibia brownish fulvous apically ; 

 hind tarsus yellow, fulvous basally and apically; basal 0.25 ± of third 

 tergite blackish, the blackish mark not reaching sides of tergites and 

 narrowed or interrupted medially. 



Specimens: Scf, 29, Parker Creek, Sierra Ancha, Ariz., Apr. 25 and 

 May 7, 9, and 11, 1947, H. and M. Townes (Townes). cf, near 



