152 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I25 



Legs : Leg i, length, 2.2 mm. ; coxa, trochanter, and femur yellow ; 

 tibia tan on anterior edge, dark brown on posterior edge ; tarsus dark 

 brown to black. Leg 2, length, 1.9 mm. ; coxa dark brown ; trochanter 

 and femur yellow ; tibia yellow, sometimes longer than femur ; basi- 

 tarsus and basal half of second tarsal segment yellow, apical half of 

 the latter, as well as all of segments 3-5, black. Leg 3, length, 2.3 mm. ; 

 coxa brown ; trochanter yellow ; femur yellow with small dark apical 

 patch ; tibia yellow on basal half, black on apical half ; basal two- 

 thirds of basitarsus and basal half of second segment yellow, the 

 remainder of these segments, as well as all of segments 3-5, black; 

 relation of basitarsus to second tarsal segment, 4:1; calcipala well 

 developed, almost reaching pedisulcus ; pedisulcus rather well formed 

 on basal third of second segment. 



Abdomen : Tergite of segment i yellow, with short yellow hairs ; 

 pleurites yellow, with long yellow hairs that reach segment 4. Seg- 

 ment 2 yellow, the anterior margin white-pruinose, with short black 

 hairs. Segment 3 yellow. Segment 4 black. Segments 5-8 with an- 

 terior half yellow and posterior half black ; at times, these segments 

 appear almost entirely black, with very little yellow. All segments 

 with short black hairs. Sternites tan. 



Genitalia: Sidepiece (pi. 23, fig. 40) cylindrical in shape, some- 

 what tapered toward the apex; about 1.5 times the length of clasper; 

 dorsal opening occupying more than half of dorsal surface of side- 

 piece, rounded. Clasper (pi. 23, fig. 40) short and wide, the length 

 almost equal to the width, the inner apical angle tapered, somewhat 

 rounded, with 2 well-developed terminal spines, one closer to the apex 

 than the other. Body of adminiculum (pi. 23, fig. 42) almost crescent- 

 shaped, the apex with slight concavity ; with numerous hairs over en- 

 tire surface, especially near the midline ; basal processes short, well 

 sclerotized, pointed, with spurlike structures near the apices. Arms of 

 adminiculum (pi. 23, fig. 41 ) with about 10 spines arranged in a whorl, 

 the spines not sharp-pointed ; lateral plate narrow, somewhat quad- 

 rangular, wrinkled. 



Female (pi. 30, figs. 157-159, and pi. 35, fig. 264). — 2.0 mm. long. 



Head : Dichoptic. Eyes black ; f ronto-ocular triangle very small, 

 its height about equal to the base. Antenna 530 fx long, 11 -segmented, 

 slightly tapering ; segment 3<i-|-2, 3<4-|-5,3<ii; scape and pedicel 

 light brown, the flagellum gradually darkening from its base to apex. 

 Palpi brown, its apex black. Frons black, white-pruinose, with a single 

 row of short tan hairs along each margin. Clypeus black, white- 

 pruinose, irregularly covered with short tan hairs. Occipital region 

 dark brown, white-pruinose, irregularly clothed with yellow scalelike 



