Vol. XXX] ENTOMdl.ociCM. XRWS 



21 



Tips of the femora not black; abdominal tergites banded or at 

 least the seventh segment blackish 



3. Size large (male, length, about 10 mm.); wings brownish yellow; 



male hypopygium with the gonapophyses acicular, prominent 



(Georgia) nigripcs O. S. 



Size small (male, length, under 8 mm.) ; wings brown; male hypo- 

 pygium with the gonapophyses small, not projecting. (Kan- 

 sas .) minima, sp. n. 



4. Coloration yellow, the wings deep yellowish. (Eastern United 



States) winnemana Alex. 



Coloration brown or gray; wings pale brownish or grayish 5 



5. Abdominal tergites uniformly dark brown or only the seventh seg- 



ment darker ; male hypopygium with the gonapophyses not 



acicular or projecting. (United States) sobrina O. S. 



Abdominal tergites banded, tigrine in appe?rance, the apical third 

 of each segment pale; male hypopygium with the gonapophyses 



acicular, prominent. (Kansas) tigrina, sp. n. 



Dicranoptycha tigrina, sp. n. 



$ . Length, 9 mm.; wing, 9.8-10 mm. 9 . Length, 10 mm.; wing, 

 9.3-9.5 mm. 



Rostrum reddish. Palpi black. Antennae with the scape reddish 

 yellow, the flagellum black. Head grayish brown, the vertex narrow. 

 Mesonotum dark brown with a sparse brownish yellow pollen and 

 without distinct stripes. Pleura clear gray becoming more yellowish 

 below. Halteres pale. Legs with the coxae brownish yellow, the an- 

 terior coxae darker brown ; femora brownish yellow, the tips of the 

 femora darker brown ; tibiae and tarsi brown. Wings with a strong 

 gray tinge, highly iridescent ; veins dark brown. Venation : Sc mod- 

 erately elongated, extending to about midlength of the basal deflection 

 of ^4+5; Rs moderately elongated, about as long as the long cell 

 ist Mz and half again as long as the deflection of 7^4+5; basal de- 

 flection of Cm inserted at or before one-third the length of cell ist .1/2. 

 Abdominal tergites dark brown, the apical third of each segment 

 more yellowish, producing a banded or tigrine appearance ; segment 

 seven dark brownish black; hypopygium reddish yellmv. Sternites 

 similar but the pale posterior margins to the segments are still broad- 

 er. Male hypopygium with the dorsal pleural appendage bent at a 

 right angle before midlength, the long apical point provided with num- 

 erous setae ; ventral pleural appendage a short, broad, flattened blade, 

 with a short curved tip and the inner margin with 8 or 9 acute serra- 

 tions. Gonapophyses long, acicular, projecting conspicuously between 

 the pleurites. 



Habitat: Kansas. 



Holot\pe, $, Lawrence, Douglas County. Kansas, alt. QOO 

 ft., July"i6, 1918. Allotopotype, 9 . Paratopotypes, 50 

 July 16-30, 1918. 



This species is apparently close to D. >m/n/v.v < >. S. in the 

 structure of the male hypopygium but the coloration of the 

 wings and body are very different. 



Dicranoptycha minima, sp. n. 



$ .Length, 6.7-7.2 mm.; wing, 6.5-7-8 mm. $ .-Length, about 

 6.5 mm. ; wing, 7-7.2 mm. 



Rostrum brownish yellow. Palpi black. Antennae with the scape 



