418 COXXECTICUT GEOL. AXD NAT. HIST, SURVEY [BuU. 



Hexatoma {Eriocera) alberta (Alex.) 



IWM). Eriocera alberta Alexander; Bull. Brooklyn Ent. Soc, 25:73- 

 74. 



General coloration black, light gray pruinose. Antennae ( $ ) 

 seven-segmented, black. Halteres with whitish knobs. Wings whit- 

 ish, with clearly delimited grayish brown seams along cord and other 

 veins ; Rs angulated and spurred at origin ; cell ^3 deep, parallel-sided 

 for more than two-thirds the length; cell 1st Mo rectangular; m-cu 

 at or close to fork of 31. Ovipositor with fleshy valves. ? . L. about 

 7 mm.; w. 9.2 mm. 



(June) Alta. 



H. {Eriocera) albitarsis (O. S.) 



1S()1). Penthoptera alhitarsls Osten Sacken; Mon. Dipt. X. Amer., 4: 



257-258. 



Figs. — All figures recorded under albitarsis pertain to the species described 

 later as hrevioricornis. 



Mesonotum brownish black, with a spar.se blue-gra_y pruinosity, to 

 produce a plunil)eous appearance, the praescutuni sometimes with 

 weakly indicated stripes; pleura abru])tly pale yellow. Antennae {$ ) 

 six-segmented with an additional microscopic terminal ''button". 

 Head light gray. Wings with a brownish tinge, the small stigma very 

 pale brown; m-cu beyond midlength of cell 1st M-2, exceeding the 

 distal section of Cui, the latter in alignment with its basal section. 

 Abdominal tergites dark brown, the sternites and hypopygium yel- 

 lowish. S. L. about 6-7 mm.; w. 7-8 mm. 



(July) Pa., \v. to Ta., southw. to S. C, Ga. and nw. Fla. 



I am herewith restricting tlie name albitarsis to the male specimen 

 described by Osten Sacken (1. c), making this lectotype for the species. 

 This species, together with brevioricornis is readily told from all 

 otber meml)er.s of the genus by the snowy-white tarsi. 



H. {Eriocera) aurata (Doane) 



11)01). Eriocera aurata Doane; Journ. N. Y. Ent. Soc. 8: 194. 



Fig.— Doane, Ibid., pi. 8, fig. 13 (wing) ; 1900. 



General coloration reddish yellow, the thorax unmarked, or in 

 rarer cases with a small darkened spot on margin of scutmn abo^e 

 wing-root. Antennae pale, if bent backward extending about to wing- 

 root. Head brown. Knobs of halteres dark brown. Legs yellowish 

 to brownish yellow, in the latter case, femora with a vague, more yel- 

 lowish subterminal ring. Wings with .^- + 3 about one-half R--, alone; 

 nmer end cell 1st iI/2 slightly arcuated. Abdomen brownish yellow; 

 ovipositor with elongate chitinized valves. c5. L. 9-13 tnm.; w. 10-12 

 mm. 2. L. 14-16 mm.; w. 11-13 nun. 



(June-Aug.) N. C, .S. C, Ga., Tenn., nw. Fla. 



