120 THE BLOWFLIES OF NortH AMERICA 
bia; west of Maracaibo, Venezuela; British Guiana; Dutch 
Guiana; and Paraguay. 
Biology. Males and females are attracted to carcasses and 
they may be collected in meat-baited traps. The immature 
stages are unknown. 
CALLITROGA BRAUER 
Callitroga Brauer, Akad. der Wiss. Wien, Math.-Nat. Kl. Denk- 
sehr. (1)47:74, 1883; Brauer and Bergenstamm, Zwei- 
fliigler des Kaiserlichen Museums -zu Wien, vol. 6, no. 3, p. 
106, 1893; Townsend, Wash. Acad. Sci. Jour. 5:645, 1915; 
Insecutor Inscitiae Menstruus 4:6, 1916; Johnson, Amer. 
Mus. Nat. Hist. Bull. 41:439, 1919; Stiles and Hassall, U. S. 
Pub. Health Serv. Hyg. Lab. Bull. 150 :330, 1928. Genotype. 
Musca macellaria Fabricius (By present designation). 
Compsomyia Brauer and Bergenstamm (nee Rondani), Zwei- 
fligler des Kaiserlichen Museums zu Wien, vol. 7, no. 4, p. 
12, 1894; Brauer, Akad. der Wiss. Wien, Math. “Nat. Kl. 
SHeibes (1) 108 2, 1899 (in part). 
Cochliomyia Townsend, Wash. Acad. Sci. Jour. 5:646, 1915; 
Rev. Mus. Paul. 15:218, 1926; Manual of Myiology, vol. 2, 
p. 165, 19385; ibid., vol. 5, 125, 1937; Shannon, Insecutor 
Inscitiae Menstruus 11 :106, 1923; Aldrich, U. S. Natl. Mus. 
Proce. 66(18) :17, 1925; Shannon, Wash. Ent. Soe. Proce. 
28 (6) :124, 1926; Shannon and Del Ponte, Inst. Bact. 
[Argentina], Rev. 4 (5) :568, 1926; Aubertin and Buxton, 
Ann. Trop. Med and Parasitol., 28 (8) :245, 254, 1934; 
Cushing and Hall, Wash. Ent. Soe. Proc. 39 (7) 196, 1937. 
Genotype. Musca macellaria Fabricius. (By original desig- 
nation. ) 
Paralucilia Coquillett (nec Brauer and Bergenstamm), U. S. 
Natl. Mus. Proc. 37 (1719) :584, 1910. 
Small to medium-sized dull-metallic or bright green and 
greenish-blue species which have orange heads, dark longitu- 
dinal stripes on the dorsum of the thorax, yellow-orange to 
orange-brown antennae and palpi, the latter short and filiform, 
the legs orange red to black, and the wings hyaline. 
Male and female. Head (pl. 2, B) width slightly to consid- 
erably greater than height; length at vibrissa greater than at 
antenna; epistoma elongate, considerably narrower than cly- 
peus, warped forward from clypeal plane, then projecting 
downward after the warp; eye of moderate size, ovate, the facets 
