174 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL, I25 



and ovoid in shape ; mesepimeron with cluster of yellow and black 

 hairs ; group of short white hairs on metepisternum, arising from 

 yellow patch behind spiracle. Wings, 3.8 mm. long and 1.6 mm. wide; 

 relation of body to wing, 1.1:1; Sc pilose on basal fourth; Ri pilose 

 on apical three-fourths, also with spines on all but short basal portion 

 of pilose area ; R2+3 pilose except for short basal region ; Cu2 arcuate ; 

 discal cell absent. 



Legs : Leg i, length, 4.4 mm. ; coxa and trochanter yellow ; femur 

 yellow with dark apical patch ; tibia yellow with apical fourth dark 

 brown and with dark patch on outer surface of basal fourth ; all tarsal 

 segments dark brown. Leg 2, length, 3.8 mm. ; coxa dark brown ; tro- 

 chanter yellow ; femur yellow with dark-brown apical ring ; tibia yellow 

 with dark rings at base and apex, and with a dark longitudinal patch 

 on its outer aspect which extends from the apical ring toward the 

 base, reaching across three-fourths the length of the tibia ; basitarsus 

 with basal two-thirds yellow, apical third dark brown; segments 2 

 through 5 dark brown. Leg 3, length, 4.6 mm. ; coxa dark brown ; 

 trochanter yellow ; femur yellow with dark-brown apical ring ; tibia 

 and basitarsus as on leg 2 ; second tarsal segment with basal third 

 yellow, apical two-thirds dark brown ; segments 3 through 5 dark 

 brown; relation of basitarsus to second joint, 4:1. Calcipala well 

 developed, reaching pedisulcus ; pedisulcus well formed, deep, situated 

 one-fourth the distance from base of second segment ; heel of claw 

 developed into pointed structure, no secondary claw (pi. 35, fig. 267). 



Abdomen : Tergite of segment i tan with very light, long hairs on 

 lateral areas ; pleurites yellow. Segment 2 tan with posterior margin 

 brown, completely covered with tan pruinosity. Segments 3 through 

 5 black with central brown patch and with posterior margins tan- 

 pruinose ; pleurites on each side of these segments yellow with one 

 small brown patch ; segments 6 through 8 black with tan pruinosity. 

 All segments with short black hairs. Sternites tan-pruinose, with short 

 black hairs. 



Genitalia: Cercus (pi. 30, fig. 169) higher than long (wide), 

 posterior margin rounded, clothed with many heavy hairs and with 

 several minute, spinelike ones. Anal lobe (pi. 30, fig. 169) somewhat 

 crescentlike, a large, membranous, very hairy structure extending 

 from it ventrally. Genital rod (pi. 30, fig, 171) without basal dilata- 

 tion, or, at most, base very slightly expanded ; arms of genital fork 

 triangular in outline, the outer and apical angles heavily sclerotized. 

 Ovipositor (pi. 30, fig. 170) large, triangular in outline, 240 /x. long, 

 by 120 fx wide at base. 



Pupa (pi. 37, fig. 293, and pi. 39, fig. 333). — Entire thorax with 



