310 MAINE AGRICULTURAL EXPERIMENT STATION. I9IT. 



yellow, setae at tip of fore pair black ; posterior pair with verti- 

 cal black dash at tip on outer side, and with 2 posterior basal 

 setae, trochanters each with black spot below ; femora yellow 

 with brown spot on the under side of each, and brown spot 

 at apex ; tibiae pale brown, spurs and tarsi brown, fore tibia 

 about 1-16 shorter than the metatarsus. Wing yellowish tinged, 

 media forks at or slightly distad of the base of Rs, cubitus forks 

 distad of the proximal end of the crossvein ; anal furrow deli- 

 cate ending before the base of the fork of the cubitus ; anal 

 vein stronger and longer ; halteres yellow. 



Female. Antenna; shorter than head and thorax united, 

 conical, 5 basal joints of flagellum swollen, twice as wide as 

 long, fuscous, with yellowish basal joints. Abdomen fuscous, 

 segments with yellow posterior margins and venter. "Europe, 

 N. A., Pa., N. J." , 



Var. a. Alale and female. With vertical black dash upon 

 middle coxa also but no brown spot under fore femora; hy 

 pcpygium as figured (Fig. 127), cubitus forks at or very 

 slightly proximad of the proximal end of the crossvein; other- 

 wise like the foregoing. Burlington, Vt. (C.W.J.) ; Ithaca, N. 

 Y. May- July. 



Var. b. Female. Like var. a but with cylindrical antennae. 

 Burlington, Vt. ( C.W.J. ). June, July. 



Var. c. Male. Like var. a but with less yellow upon thorax 

 and abdomen, and with fore metatarsus 1-16 shorter than the 

 tibia. Ithaca, N. Y. 



Var. d. Female. Like var. c with conical antennae but with 

 fore metatarsus about .2 shorter than the tibia. Torrey's Lake, 

 Wyoming, (W.M.W.). September. 



2. yjlodia hiilbosa n. sp. 



Male. Length 4.5 mm. Yellow; apical half of antennae, the 

 3 thoracic stripes, center of scutellum, the lower margin of the 

 metapleura, the metanotum light brown, the anterior 2-3 of 

 each tergite of abc'omen, a spot at tip of each hind femur, the 

 tibial spurs and tarsi darker brown; hairs pale, setae black; 

 hypopygium small, yellow (Fig. 129). Hind coxa? each with 

 2 posterior basal setae; fore metatarsus 1.38 times the tibia in 

 length. \\'ings tinged with yellow, subcosta curved down but 

 not ending in Ri (Fig. 239) ; anal furrow strong, anal vem 



