nae THE BLOWFLIES oF NortH AMERICA 
Cyanus elongata (Hough), new combination 
Cynomyia elongata Hough, Ent. News 9:106, 1898. (Type, male 
from Torrey’s Lake, i ae in the Field Museum, 
Chicago, Ill.) 
Calliphora elongata (Hough) Shannon, Insecutor Inscitiae Men- 
struus 11:109, 1928; Ent. Soc. Wash. Proce. 28(6) :134, 1926. 
A large black and gray species with the abdomen shining blue 
ereen and the front and parafaciale yellowish golden. 
Male. Head (pl. 7, A) height 15.0; eye height 10.0; bucea 
0.30 eye height, yellow to yellow orange anteriorly, with thin 
yellow golden pollen, black with silvery pollen on posterior 
fourth, and with scattered black hair; length at antenna 10.0 
and at vibrissa 11.0; head width 19.0, front at narrowest 0.23 
of head width, 0.32 at vertex and 0.36 at lunule, black glistening, 
with yellowish white pollen, and with a few minute black hairs 
outside frontal row; frontale 0.42 frontal width, black, yellow- 
ish pollinose; vibrissae set 3.4 apart; vertex black, without 
abundant black hair, yellowish pollinose; parafaciale orange 
brown, yellowish pollinose; 3.4 in width opposite lunule; palpus 
6.2 in length, orange; antennal segments orange to orange brown, 
second segment usually orange, third segment 3.5 times as long 
as second; arista orange-brown. 
Thorax colored as in Cynomya. 
Legs black, slightly silvery. 
Wing with basicosta orange; costal sections 2 to 6 in the 
proportion 120:70 :170 :54 :12; squamal lobes white, rims orange 
to brown. 
Abdomen mostly shining dark blue or blue green but with 
definite basal pollinose areas in certain lights. 
Genital segments with internal features (pl. 30, A, B, and C) 
as illustrated. 
Female. Head height 12.4; eye height 8.0; bueeca 0.28 eye 
height; length at antenna 8.8 and at vibrissa 9.0; head width 
16.8; parafaciale 2.8 in width opposite lunule; distance between 
vibrissae 3.2; front at vertex 0.36 of head width, 0.39 at lunule; 
abdomen generally blue green. Otherwise essentially like male 
except for normal sexual differences. 
Length. 12-14 mm. 
Distribution. Nearctic: From South Dakota and Colorado to 
Oregon and Alberta, Canada. The species appears not to be 
abundant anywhere; it is a summer species occurring from May 
to September. 
