174 Tie BLowFruirs or NortH AMERICA 
cumbent pubescence; postacrostichal bristles weak; postdorso- 
central bristles four to six, usually five; postintraalar bristles 
two or three; preintrapostalar bristle absent; mesothoraciec 
spiracle long ovate; metathoracic spiracle triangularly ovate and 
normal, the anterior margin setulose; scutellum with one discal 
bristle, four lateral bristles and no apical bristles, the under 
surface with scattered hairs. 
Legs with fore femur with anteroventral row of bristles; tarsi 
as long as tibia; claws and pulvilli as long as last tarsal segment. 
Subeostal sclerite with long setae its full length; remigium 
setose basally below; only third vein setulose above; fourth vein 
bent at 90 degrees toward wing apex; apical cell widely open; 
anterior cross vein beyond middle of second section of fourth 
vein in proportion 5:4; posterior cross vein gently doubly arcuate; 
last section of fifth vein one-sixth as long as preceding section; 
upper squamal lobe pilose below and rounded; lower squamal 
lobe large, ovate, and bare. 
Abdomen with scutellar depression extending about two- 
thirds the distance toward the posterior margin; intermediate 
segments without dorsal bristles; third segment with a marginal 
row of longer hairlike bristles; fourth segment with considerable 
long erect hair on dorsum; first sternite large, each successive 
sternite smaller. 
Genital segments in general as described in Phormia. 
Protophormia terrae-novae (Robineau-Desvoidy) 
Phormia terrae-novae Robineau-Desvoidy. Essai sur les Myo- 
daires, vol. 2, p. 467, 1830; Hough, Zool. Bull. (6) :289, 1899; 
Hendel, Wien. Ent. Ztg. 20:30, 1901; Parker, Ent. News 
28 :281, 1917; Aldrich, Psyche 25:38, 1918; Parker, Ent. 
News 29(4) :144, 1918; Malloch, Canadian Arctic Expedi- 
tion Rpt., vol. 3, p. 59e, 1919; Weiss and Dickerman, N. Y. 
Ent. Soe. Jour. 29 :144, 1921; Villeneuve, Soc. Ent. de Belg. 
Bull. et Ann. 68:148, 1928; Tao, Amer. Jour. Hyg. 7:752, 
1927; Lundbeck, Diptera Danica, Vol. 7, p. 189, 1927; 
Roberts, Ent. Soe. Amer. Ann. 23:791, 1980; Patton and 
Cushing, Ann. Trop. Med. and Parasitol. 28(3) :307, 1934. 
(Type from North America, in Paris or lost.) 
Musca groenlandica Zetterstedt, Insecta Lapponica, p. 657, 1838; 
Diptera Seandinaviae, vol. 4, p. 13830, 1845. Bonsdorff, Fin- 
lands Tvavingade Insekter, vol. 2, p. 149, 1866; Staeger, 
Naturhist. Tidsskr. (2)1:363, 1845; (Calliphora); Holm- 
gren, Svenska Vetensk. Akad. Ofversigt af . . . Forhandl. 
