118 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
5. Stripes of the thorax distinct; ventral margin deeply emarginate 6. 
Stripes of the thorax obscure; ventral margin but slightly emarginate 7. 
6. Pleurae yellow, immaculate; style short . . . dorsalis n. sp. 
Pleurae yellow, spotted; style long .... vetiosa n.sp. 
7. Thorax opaque ........ obscura n. sp. 
Thorax shining ........ polita n. var. 
Oropeza sayi new name. 
PI. 15, figs. 2, 3. 
Tipula annulata Say, Journ. acad. nat. sci. Phila., vol. 3, p. 25, 1823 {non 
Linne, 1758). 
Dolichopeza annulata Osten Sacken, Cat. No. Amer. Dipt., p. 40, 1878; 
Aldrich, Cat. No. Amer. Dipt., p. 96, 1905. 
Oropeza annulata Needham, N. Y. state mus., bull. 124, p. 211, pi. 16, fig. 
5, 1908. 
Say's description of this species is as follows: "Antennae fuscous, 
first and second joints whitish; rostrum, and lower portion of the 
front whitish; vertex and occijiut dusky; palpi fuscous; thorax yellow- 
ish-brown, the indented lines paler; metathorax light livid; wings 
with a brown stigmata, nerviu'es brown, arranged like those of 
Meigen's fig. 9, pi. 6; feet dusky-brownish; abdomen yelloAvish- 
white, incisures and their margins black, forming annulations com- 
plete. Length two-fifths of an inch." " Inhabits Pennsylvania." 
There seems to be no doubt of the identification of this species. 
The only discrepancy is Say's reference to "Meigen's fig. 9, pi. 6" 
which is a true Tipula; he probably overlooked the absence of the 
anterior branch of the "second vein." There is a species of Tipula 
which closely resembles this in general appearance but the "incisures 
and their margins" are yellowish white. There are, however, forms 
of Oropeza wliich more closely resemble this species, but the geni- 
talia and minor characters seem to warrant their separation. The 
specimens agreeing closely in detail with the descri])tion, and most 
widely distributed, are selected to represent Say's species. Specimens 
sent to Professor James G. Needham proved to be the same as he 
selected for the type of the genus Oropeza. The short median cubital 
cross-vein is either present or absent. 
The genitalia yellow; appendages light yellow; the small forceps 
are armed with black hooks; style short, black; appendages at base 
of style yellow, broadened at the tips, the ventral margin deeply 
emarginate. Halteres yellowish. 
