144 
2, Abdomen distinetly yellowish on the sides or at the apex....... 3. 
Abdomen and thorax wholly blackish, sides of the former some- 
times tinged with reddish; base of wings yellow; length, 12 to 
17 mm. ‘Toronto, Canada; White Mountains and Franconia, 
N. H.; Vermont; New Bedford, Mass.; Oswego, N. Y.; Colo- 
rado; Montana; British Columbia; Washington; Oregon, and 
California. (Ausser. Zweif. Insekten, Vol. Il, p. 285; 1830: 
Tachina. Echinomyia picea Desvoidy, Essai sur les Myodaires, 
p. 44; 1830. Echinomyia lapilet Desvoidy, loc. cit. Tachina 
degenera Walker, List of Dipterous Insects, Part IV, p. 732; 
1849. Jurinia nitida van der Wulp, Notes from the Leyden 
Museum, Vol. IV, p. 82; 1882. Hchinomyia lugubris van der 
Wulp, Tijdschrift voor Entomologie, Vol. XX VI, p. 20; 1883.) 
algens Wied. 
3. Second segment of abdomen bearing at most four marginal macro- 
OWE bHS «he we Sie a Se SR ee cere oe ee a eee 4, 
Second segment of abdomen bearing at least ten marginal macro- 
chietie on the dorsum, abdomen wholly yellow, middle of dorsum 
of second and third segments covered with black macrochete ; 
length, 14mm. Colorado and Washington. (Trans. Amer. Ent. 
Soe., Vol. XIL, p.297; October, 1886: Dejeania.) . - hystricosa Will. 
4. First segment of abdomen on the sides largely or wholly yellow, the 
fourth yellow at least on the front corners. -.......-..----.--- 5. 
First segment wholly black, or at most with the hind angles nar- 
rowly yellow; front tarsi of female broadly dilated; abdomen 
black, the apex broadly, or the sides of the last three segments 
and apex of the last, or only the sides of the second and third 
seginents, yellow; length, 10 to 13 mm. Canada; White Moun- 
tains and Franconia, N. H.; New Bedford, Mass.; Buena Vista, 
N.J., and, North Carolina. (List of Dipterous Insects, Part IV, 
Dad 2g LOL0 s Paeh Uae) os) ars tare ee ee jlorum Walk. 
. Palpi only half as long as the proboscis beyond the basal articula- 
tion, front of male one and one-half times as wide as either eye, 
head at base of antennz much longer than at the vibrissie, front 
projecting in front of the eyes one and one-half times the hori- 
zontal diameter of the latter; abdomen of male yellow, middle of 
first segment, a dorsal spot, and genitalia black; length, 12 mm. 
Los Angeles County, Cal. (Bulletin Soc. Ent. France, p. cxli; 
1887: Habricita. 2. a 224 5322s oe eee infumata Bigot. 
Palpi almost as long as the proboscis, front of male two-thirds as 
wide as either eye, head at base of antennz not longer than at 
the vibrissx, front projecting in front of the eyes less than the 
horizontal diameter of the latter; abdomen yellow, usually 
marked with a black dorsal vitta or row of spots; length, 10 to 
14 mm. Franconia, N. H.; North Carolina; Colo., and Cali- 
fornia. (Trans. Amer. Ent. Soc., Vol. XIX, p. 94; April, 1892. 
—_ Tachina sp., Braver and Bergenstamm in litt.) .dakotensis Town. 
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