104 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I25 



especially in the prescutellar region; short, narrow, yellow, scalelike 

 hairs over entire mesonotum, long ones on the periphery ; long yellow 

 hairs in prescutellar region. Humeral angles brown, with yellow hairs. 

 Scutellum shiny brown, with long yellow hairs. Postnotum velvety 

 brown, with gray pruinosity. Pleura brown, with slight gray prui- 

 nosity ; pre-alar cluster composed of yellow hairs. Stem and knob of 

 halter brown, with white pruinosity. Wings, 3.0 mm. long and 1.3 mm, 

 wide ; relation of body length to wing, i : i ; Sc pilose along basal four- 

 fifths ; Ri completely pilose, also with a few spines on distal third ; 

 R2+3 pilose except for basal sixth ; Cua straight ; discal cell usually 

 absent ; at times it is indicated, but not completely closed. 



Legs: Leg i, length, 2.8 mm.; entire leg brown. Leg 2, length, 

 2.6 mm. ; coxa and trochanter brown ; femur brown, with very small 

 dark-brown apical ring ; tibia brown with very small light-brown basal 

 ring; tarsus light brown. Leg 3, length, 3.3 mm.; coxa, trochanter, 

 and femur brown, the femur with a dark-brown apical ring ; tibia 

 brown with light-brown basal ring; tarsus brown; relation of basi- 

 tarsus to second tarsal segment, 8. i : i ; calcipala very large, almost 

 covering entire second segment ; pedisulcus absent ; claw with well- 

 developed heel and with short, lance-shaped structure emerging at 

 base (pi. 35, fig. 272). 



Abdomen: Tergite of segment i light brown with short yellow 

 hairs ; pleurites brown, with very long yellow hairs reaching segment 

 4. Segment 2 dark brown, somewhat white-pruinose, covered with 

 yellow hairs. All other segments dark brown, lightly covered with 

 gray pruinosity, clothed with short yellow hairs. Sternites tan. 



Genitalia: Cercus (pi. 28, fig. 127) somewhat rectangular in 

 shape, its height about 1,75 times its length (width). Anal lobe 

 (pi. 28, fig. 127) almost circular in shape, the posterior margin some- 

 what straightened and the dorsal extremity strongly tapered to form 

 a pointed prolongation. Genital rod (pi. 28, fig. 129) with large, oval, 

 basal dilatation, the rod itself rather short ; apical expansions of arms 

 of genital fork broad, membranous, with basally directed, slender pro- 

 longation from near the middle of the outer margin. Ovipositor 

 (pi. 28, fig. 128) triangular in shape, with numerous hairs at apex. 



Pupa (pi. 36, fig. 279, and pi. 39, fig. 319). — (First description of 

 pupa other than respiratory apparatus.) Granulosity on entire thorax ; 

 4 simple hairlike trichomes on either side of midline of thorax. Dorsal 

 surface of abdominal segments : Granulosity on dorsum of all seg- 

 ments ; spines on segments 1-4 are anteriorly directed, those on seg- 

 ments 6-9 are posteriorly directed ; segment i with 8 simple spines in 

 transverse row across the middle, the row divided by median separa- 



