182 CHARLES A. BLAKE. 



Black ; head with white pubescence ; metatliorax, basa] segment of 

 abdomen and second, with silveiy white pubescence ; wings hyaline, 

 clouded at apical margins i^Hpieiis. 



FEMALES. 

 Ei/es ovate. 



First abdominal segment small, nodiform, more or less constricted at apex. 

 Head ochraceous; body ferruginous; abdomen above with two large black 



spots, apex ochraceous ciilteiiNiM. 



Head ferruginous, vertex golden, occiput black ; abdomen without black 



spots, apex ochraceous <'iiia,Ioa. 



Head fuscous, vertex slightly golden ; abdomen ferruginous, apex of second 

 segment with cinereous band ; body with erect black hairs ; size 



minute ^ ncataiia. 



First abdominal segment gradually dilated to ai)ex and sessile with base of 

 second segment. 

 Head black; thorax ferruginous; abdomen black, ornamented with pale 



golden bands and stripes oajaca. 



Head ferruginous. 



Size medium; legs black oriiativentris. 



Head black, with erect hairs; vertex with depressed golden pubescence; 

 thorax ferruginous, with long, sparse, erect, black hairs; abdomen 

 black, second segment with three spots of silvery pubescence, the 



posterior pair large and transverse floritlaiia. 



Head ochraceous and black ; thorax brown, elongate, with a tubercle on each 

 side beyond middle ; two ochraceous spots on thorax above ; abdo- 

 men black, spotted with ochraceous, second segment having two 

 spots at base and a broad ochraceous baud at apex, interrupted me- 

 dially tolteca. 



Small ; head and mesothorax above and three spots on second abdominal 

 segment, posterior pair large and a spot at tip of abdomen silvery 



white trisi;;iiata. 



Size small; legs ferruginous leona. 



Head ochraceous palliceps. 



Head, thorax and abdomen ferruginous, apical margins fringed with pale 



golden pubescence <lHl»itata. 



Apical margin of second abdominal segment black, fringed with pale 



golden pubescence eiiterpe. 



Prothorax, apical half of first and apical margin of second al)dominal 



segments with pale golden pubescence peeiiliaris. 



Head much wider than thorax ; basal segment of abdomen large, second and 



following segments stained with ca.staueous at middle .llioracica. 



Head twice as broad as thorax, shining; second abdominal segment with 



two yellow spots on disc rutilaiis. 



Head wider than thorax, apical margin of second abdominal segment fringed 



with pale yellowish pubescence piiteola. 



Ferruginous, metathorax thinly clothed with erect glittering white 

 hairs; apical margins of abdominal segments fringed with pale pu- 

 bescence parvula. 



