172 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 12$ 



3 > 1 1 ; scape and pedicel and part of third segment yellow, the rest 



of fiagellum dark brown ; all segments with gray pruinosity. Palpi 

 light brown with gray pruinosity and several black hairs. Clypeus 

 dark reddish brown with gray pruinosity and long tan hairs. Occipital 

 region black with gray pruinosity and black hairs. 



Thorax : Mesonotum dark reddish brown, with a very narrow 

 black line extending from anterior margin to prescutellar region ; on 

 either side of median line there is a very broad band of white prui- 

 nosity, the area covered by the two together occupying about one-half 

 the scutum ; prescutellar region with long, black hairs ; individual 

 golden-yellov/ scalelike hairs distributed over entire mesonotum, these 

 being formed in groups of 2 or 3, as well as singly, in prescutellar 

 region. Humeral angles yellow with gray pruinosity and golden- 

 yellow scalelike hairs. Pleura dark reddish brown to black with gray 

 pruinosity ; pre-alar group formed by both yellow and black hairs ; 

 cluster of 8 to 10 short black hairs on mesepimeron; small group of 

 black hairs on metepisternum, just posterior to spiracle. Scutellum 

 light brown with gray pruinosity, long black hairs and several golden- 

 yellow scalelike hairs. Postnotum black with gray pruinosity; no 

 hairs. Stem of halter brown ; the knob light tan. Wings, 3.1 mm. long 

 and 1.2 mm. wide ; relation of length of body to wing, i : i ; Sc pilose 

 on basal fourth ; Ri with spines and hairs along apical three-fifths, 

 these beginning a short distance from point of branching of R2+3 ; 

 R2+3 simple, pilose along apical three-fifths ; Cu2 arcuate ; discal cell 

 absent. 



Legs : Leg i, length, 3.9 mm. ; coxa, trochanter, and femur yellow ; 

 tibia black, its midregion somewhat lighter ; tarsus black. Leg 2, 

 length, 3.6 mm. ; coxa dark brown ; trochanter yellow ; femur yellow 

 with black apical ring ; tibia dark brown to black with somewhat 

 lighter midregion, a small white ring at extreme base ; basitarsus with 

 basal two-thirds yellow, apical third black ; segments 2 through 5 

 black. Leg 3, length, 4.2 mm. ; coxa dark brown to black ; trochanter 

 yellow ; femur yellow with black apical ring ; tibia brown with dark 

 patches at base and apex and with very light-tan ring at extreme base ; 

 basitarsus yellow with very small darkened area at extreme apex; 

 segments 2 and 3 yellow, 4 and 5 black ; relation of basitarsus to sec- 

 ond joint, 3.9:1; calcipala well developed and somewhat pointed, 

 almost reaching pedisulcus ; pedisulcus well formed, deep, situated 

 one-third distance from base of second tarsal segment. 



Abdomen : Tergite and pleurites of segment i black, the tergite 

 with light-brown patch at its middle, its lateral regions with long 

 brown hairs. Tergite of segment 2 dark brown to black, the anterior 



