156 



U. S. NATIONAL MUSEUM BULLETIN 209 



This species occurs in Canadian and Transition woods from the 

 Atlantic west to Minnesota. The only record from south of Penn- 

 sylvania and Iowa is based on a female taken at Falls Church, Va., 

 May 27, 1918, by R. A. Cushman (Washington). The flight range 

 is from late in April to early in September. 



6. Auplopus mexicanns (Cresson) 



Pompilus {Agenia) mexicanus Cresson, 1867, Trans. Amer. Ent. Soc, vol. 1, 

 p. 130, 9- Lectotype: 9, Vera Cruz, Mexico (Philadelphia). 



Male: Forewing about 9 mm. long; clypeus short, its apical edge 

 much thickened and with a deep semicircular impression or notch 

 on each side of the middle; mandible with a strong bend at the middle; 

 second segment of flagellum about 4.7 as long as wide, the penultimate 

 segment about 3.4 as long as wide; mesopleuron with small adjacent 

 punctures, not shining, its pubescence of moderate length. 



Figure 85. — Localities for Auplopus mexicanus. 



Black. Head and thorax with a faint dark greenish iridescence. 

 Lateral 0.35 and apical margin of clypeus, lateral 0.15 of face, and 

 part of underside of scape whitish; part of underside of scape, under- 

 side of flagellum, tegula, apices of coxae, and legs beyond coxae 

 fulvous, the middle and hind tarsi infuscate except basaUy; palpi 

 brown; wings hyaline. 



Female: Forewing 10.7 to 12.0 mm. long; clothing hairs of frons 

 very short, pale, arising from fine adjacent punctures; apical margin 

 of clypeus broadly arcuate with a weak median angulation; second 

 flagellar segment about 6.4 as long as wide; groove of pronotum with 

 rather coarse cross wi-inkles; pygidial area mat, with a few very fine 

 punctures apically. 



Dull black, without iridescence. Apex of mandible ferruginous; 

 palpi dark brown; tegula mostly brown; legs beyond coxae fulvous, 

 the tibial spurs brown, and the tarsi apically dark brown; wings 

 hyaline. 



