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86 
Genus OCYPTERA Latr. 
Ocyptera Latreille, Histoire Nat. Crust. et Insectes, Vol. XIV, p. 378; 1804. 
Parthenia Desvoidy, Essai sur les Myodaires, p. 231; 1830. 
This synonymy is given by Schiner! and repeated by Brauer and 
Bergenstamm.”? Our species have three postsutural and two or three 
sternopleural macrochietie : 
1. Seutellum bearing one pair of long marginal and sometimes a short 
Scutellum bearing two pairs of long marginal and a short apical pair 
of macrochietie; abdomen black, the sides of the second and 
third segments partly or wholly reddish yellow; length, 8 to 12 
mm. Canada; Springfield, Mass.; Connecticut; Cape May, N.J.; 
Maryland; Tifton, Ga.; Selma, Ala.; Tennessee; Lexington, 
Ky.; Michigan; [linois; Cadet, Mo.; Kansas; Colorado; Santa 
Sruz Mountains and Los Angeles County, Cal. (Hssai sur les 
Myodaires, p. 232; 1830: Parthenia. Ocyptera dotades Walker, 
List of Dipterous Insects, Part LV, p. 694; 1849. Ocyptera epytus 
Walker, loc. cit. Ocyptera euchenor Walker, loc. cit., p. 696. 
Ocyptera californica Bigot, Annales Soc. Entomol. France, 
p.42; 1878. Ocyptera fumipennis Bigot, loc. cit., p.45. Ocyptera 
binotata Bigot, loc. cit., p.44. Ocyptera sp., Brauer and Bergen- 
StAMIM Wh) 8 coc Se oe ke ec See Ce ee eee caroline Desv. 
2, With a short apical pair of macrocheetie on the scutellum; abdomen 
black, the front corners of the third segment sometimes faintly 
reddish; length,7to8mm. Westville, N.J.; Delaware County, 
Va.; northern Virginia; and Missouri. (Proc. Ent. Soc. Wash- 
ington, Vol. LI. p. 144; -Aporil2 1800s) a ee 2 argentea Town. 
Without an apical pair of macrochietie on the scutellum; abdomen 
black, the sides of the second and front corners of the third seg- 
ment reddish yellow; length,7 to10 mm. White Mountains, 
New Hampshire; Horseneck Beach, Mass.; northern Illinois; 
Georgia; Louisiana; Texas; and Reno, Nev. (List of Dipterous 
Insects, Part IV, p. 695; 1849. Ocyptera sp., Brauer and Ber- 
— renstamin inlet.) took a eect So ae eee er ete dosiades Walk.® 
Genus LINN/EMYIA Desv. 
Linnemya Desvoidy, Essai sur les Myodaires, p. 52; 1830. 
Bonnetia Desvoidy, loc. cit., p. 55. 
Bonellia Desvoidy, loc. cit., p. 56. 
Marshamia Desvoidy, loc. cit., p. 57. 
Micropalpus Macquart, Historie Nat. Insectes, Dipteres, Vol. II, p. 80; 1835. 
The author last mentioned referred the above four names of Desvoidy 
to one genus to which he applied the name of Micropalpus, but the law 
1Fauna Austriaca, Vol. I, p. 412; 1862. 
2Z7weif. Kais. Mus. Wien, VI, p. 235; 1893. 
Ocyplera litturata Olivier belongs to the Dexid genus Euantha, and is the same 
species which Wiedemann afterwards described as Dexia dives. 
