338 CONNECTICUT GEOL. AND NAT. HIST. SURVEY [BuU. 



Generally similar to sobrma. Knobs of halteres slightly dark- 

 ened. Abdominal tergites brown, segments six and seven dark brown; 

 hypopygium yellow. Male hypopygium (Fig. 39, F) : outer dististyle 

 relatively long and slender; aedeagus large, outline subrectangular in 

 slide mounts. S . L. 7.5-8 mm. : w. 8.5-9.2 mm. $ . L. about 10 mm. ; 

 Av. 9.5 mm. 



(June-Juh) N. C. S. C. and Tenn.. southw. to n. Fla, 



D. minima Alex. (Fig. 39, G). 



1919. Dicranoi)fi/cha minima Alexander; Ent. News, 30:21-22. 



General coloration light brown; praescutum w^ithout stripes; 

 dorsal pleurites faintly pruinose, ventral ones more yellowish. Male 

 hypopygium (Fig. 39, G) : outer dististyle strongly curved, outer 

 margin entirely smooth ; inner dististyle very broad, i . L. 6.7-7.2 

 mm.; av. 6.5-7.8 nun. ?. L. about 6.5 mm.; w. 7-7.2 mm. 



(July-Sept.) 111., Kan. (Austral). 



D. nigripes O. S. 



1859. Diem.nopfycha nigrlpes Osten Sacken; Proc. Acad. Nat. Sci. 

 Philadelphia, 1859 : 218. 



Fig. — Osten Sacken, Mon. Dipt. N. Amer., 4, pi. 3, fig. 11 (hyp.) ; 1869. 



General coloration reddish yellow, posterior sclerites of me.sono- 

 tum and the pleura strongly pruinose. Legs chiefly covered by a 

 dense black pubescence; tip of femur black, preceded by a clearer yel- 

 low ring. Anterior border of Aving almost f errugineoiis ; costal fringe 

 (S) short and dense, black. Abdomen brownish yelloAv, sternites 

 three to .seven Avith transverse l)lackened areas at near midlength. 

 Male hypopygium Avith ninth tergite deeply notched, margin of lobes 

 Avith short but conspicuous dark setae, median area glabrous. Outer 

 dististyle heavily blackened, strongly curved to apex, outer margin en- 

 tirely smooth. S . L. about 10 mm. 



N. C. (Brimley), Ga. (Austral). 



D. pallida Alex. (Fig. 39, H). 



1926. DuTanoptf/cha. pallida Alexander; Psyche, 33: 58-59. 



Mesonotum .shiny broAvnish yelloAv, pleura sparsely pruinose. 

 Remainder of body chiefly pale yelloAv ; eighth abdominal segment ( 5 ) 

 dark broAvn. Antennae pale yelloAv. Legs yellow, tips of tibiae nar- 

 rowly darkened. Costal fringe (S) short. Male hypopygium (Fig. 

 39, H). 3. L. 7-7.2 mm.; w. 7.2-7.8 mm. 9. L. 9-9.5 nim.; av. 8-8.5 

 mm. 



(July) Ind., Kan. (Austral). 



D. septemtrionis Alex. (Figs. 38, F ; 39, 1). 



1926. Dicranoptycha septemtrionis Alexander ; Ihid.^ 33 : 56-57. 



Generally similar to sohtnna. Mesonotum dark brown, sparsely 

 dusted Avith gray ; pleura pruinose. Legs chiefly yellow, terminal tar- 

 sal segments dark brown. Costal fringe ( $ ) short. Abdominal ter- 



