272 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Figures 144-146. — Localities: 144 (left), Lanugo polita; 145 (center), L. flavipenras; 146 



(right), L. excincta. 



to scutelluin; apical transverse carina of propodeum indistinct medially 

 and laterally, elsewhere sharp, sublaterally strengthened to make 

 a weak crest; second tergite strongly mat, with fine, adjacent 

 punctures; ovipositor tip as in L. deserti (fig. 329,d). 



Black. Flagellar segments 5-10 pale yellow above, dark brown 

 below, the base of fifth segment and apex of tenth segment dark 

 brown; wings yeUow, the apex of front wing fuscous, as in figure 351. 



Type: 9, Flagstaff, Ariz., July 7, Barber and Schwarz (Washington, 

 USNM 63789). 



Paratypes: cf, Parker Creek, Sierra Anclia, Ariz., May 9, 1947, 

 H. and M. Townes (Townes). cf , Walapai Mts., Ariz., June 1941, 

 Ernestine Hall (Townes). 



11. Lauugo excincta, new species 



Figures 329,g; 352; 353 



Male: Front wmg 9.5 to 11.5 mm. long; mesoscutum polished 

 or subpolished, its punctures moderately small, strong, separated 

 by about 0.5 their diameter; apical transverse carma of propodeum 

 moderately strong but irregular, some tunes indistinct or absent 

 medially; pleural carina below basal carina complete or almost 

 complete, sometimes irregular; hypostomal carina, front edge of 

 pronotum, and notaulus as in female. 



Fulvous. Front orbit and mandible yellowish; flagellum with a 

 poorly defined yellowish fulvous band covering about 7 segments, 

 basad of the band fulvous with its upper side weakly infuscate, 

 apicad of the band dark brown; most of occiput, lower 0.7 ± of 

 front part of prepectus, lower 0.6 ± of mesepimeron and adjacent 

 sclerites, and sutural markings around scutellum and base of pro- 



