284 THE BLOWFLIES oF NortH AMERICA 
Eucalliphora lilaea (Walker) 
Musca lilaea Walker, List of the Specimens of Dipterous Insects 
in the Collection of the British Museum, vol. 2, p. 894, 1849. 
(Type, from Saint Martin’s Falls, Albany River, Hudson’s 
Bay, in the British Museum.) 
Musca wlerda Walker, List of the Specimens of Dipterous Insects 
in the Collection of the British Museum, vol. 4, p. 895, 1849; 
Osten Sacken, Smithsn. Inst. Mise. Collect. 270:160, 1878; 
Aubertin, Ann. and Mag. Nat. Hist. (10)8 :616, 1931. (Type, 
from Saint Martin’s Falls, Albany River, Hudson’s Bay, in 
the British Museum. ) 
Calliphora lilaea (Walker) Osten Sacken, Smithsn. Inst. Mise. 
Collect. 270:160, 1878; Aubertin, Ann. and Mag. Nat. Hist. 
(10)8:616, 1931. 
Calliphora latifrons Hough, Zool. Bull. 2:286, 1899; Parker, 
Mont. State Bd. Ent. Bien. Rpt. 1914:44; Ent. News 28 :281, 
1917; Shannon, Insecutor Inscitiae Menstruus 11:109-110, 
1923. (Type, from Moscow, Idaho, in the Field Museum.) 
Eucalliphora latifrons (Hough) Townsend, Smithsn. Inst. Mise. 
Collect. 51:118, 1908. 
Eucalliphora lilaea (Hough) Townsend, Manual of Myiology, 
vol. 2, p. 172, 1935; ibid., vol. 5, p. 148, 1987. 
A species of variable size, the males usually small; both sexes 
with the general habitus of Calliphora, but with strong bristles 
on the facialia. | 
Male. Head (pl. 6, B) width 11.8; length at antenna 5.8 and 
at vibrissa 5.6, slightly longer at oral margin; eye height 6.4; 
head height 8.5; bueca 0.40 eye height, black, with thin whitish 
gray pollen, and with black hair, no pale hair before the meta- 
cephalic suture; frontale 0.61 of frontal width, black; front at 
narrowest 0.21 head width, 0.28 at vertex and 0.35 at lunule, 
black, with thin whitish pollen, and with some black hair not 
in rows outside frontal row of bristles; frontal row consisting of 
about six bristles, extending anteriorly to apical third of second 
antennal segment and widely divergent anteriorly to the lateral 
third of parafaciale; outer vertical bristle one-half as long as 
inner; vertex black, subpollinose, velvety black; parafaciale 1.6 
in width opposite lunule, black on upper two-thirds or more, 
with yellowish gray pollen, and with scattered minute black 
hair; faciale orange to red orange; facial grooves orange; vi- 
brissae above oral margin by 0.6, and separated by 2.4; palpus 
orange, 4.0 in length; antenna orange, third segment with the 
