92 THE BLOWFLIES oF NortH AMERICA 
Idia rostrata Robineau-Desvoidy, Essai sur les Myodaires, vol. 2, 
p. 421, 1830; Wiedemann, Aussereuropdische zweifliige- 
lige Insekten, vol. 2, p. 352, 1830; Villeneuve, Revue Zool. 
Africaine, vol. 3, no. 8, p. 485, 1914. (Type, Isle de France, 
in Paris). 
Stomorhyna maculata Rondani, Soe. Ital. di Sei. Nat. Atti 8 :288, 
1865. (Type, Europe, apparently lost.) 
Stomorhina lunata (Fabricius), Bezzi, Katalog der Palaarkti- 
schen Dipteren, vol. 3, p. 523, 1907; Villeneuve, Revue Zool. 
Africaine, vol. 3, no. 3, p. 485, 1914; Townsend, Indian Mus. 
Ree. 13:192, 1917; Senior-White, India Dept. Agr. Mem. 
Ent. Ser. 8 (4) :43, 1923; Spolia Zeylanica 13 :109, 1924; In- 
dian Mus. Rec. 27:93, 1925; Suster, Jassy Univ. Ann. Aci. 
16 (1-2) :222, 1930; Townsend, Ann. and Mag. Nat. Hist. 
(10) 8:372, 1931; Manual of Myiology, vol. 2, p. 154, 1935; 
Frey, Finska Vetenks. Soc. Comm. Biol. 6 (1) :139, 1937; 
Townsend, Manual of Myiology, vol. 5, p. 108, 1937; Senior- 
White, Fauna of British India, Diptera, vol. 6, p. 191, 
1940. 
This species is the only known North American calliphorid 
fly with a pectinate arista. 
Male. Head height 11.0; width 13.0; length at antenna and 
at vibrissa 6.0; eye height 7.5; bucca 0.40 eye height, with abun- 
dant medium-length yellow hair or pile, much of which is pale 
before the metacephalic suture, black, thickly covered on the 
posterior three-fourths with yellowish-white pollen; frontale red — 
brown; frons nearly obsolete at narrowest, at vertex 0.15 of head 
width, 0.26 at lunule, thinly greyish pollinose over black ground 
color; vertex shining black, elypeus black, silvery pollinose; para- 
faciale 1.0 in width opposite lunule, black, thinly silvery pol- 
linose; vibrissae 1.4 above the oral margin and separated by 3.0; 
palpus black; antennal segments brown to black; back of head 
black, with two rows of postocular cilia and abundant yellowish- 
white hair. 
Thorax olivaceous green, thinly whitish or silvery pollinose, 
dorsally with thin erect black pile and suggestions of darker 
longitudinal stripes which extend to the apex of the scutellum; 
a black area at base of each bristle, giving the whole a punctate 
appearance; pleura slightly silvery or yellowish pollinose, with 
considerable yellowish and whitish pile; mesopleuron with black 
pile on posterior four-fifths; sternopleuron whitish pollinose 
anteriorly, with a tuft of long whitish pile; pteropleuron with 
white to yellowish pile on posterior half; prosternum with long 
whitish to yellowish pile at center; sclerites at wing base black, 
