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BIOLOGIA CENTRALI-AMERICANA. 
ZOOLOGIA. 
Class INSECTA. 
Order DIPTERA. 
Fam, @STRIDA*. 
CUTEREBRA. 
Cuterebra, Clark, Essay on the Bots of Horses &c. p. 70 (1815). : 
Cutirebra, as amended by Agassiz. 
Trypoderma, Wiedemann, Aussereur. zweifl. Ins. i. p. 256 (1830). 
1. Cuterebra americana. 
Musca americana, Fabr. Syst. Ent. p. 774. 6; Ent. Syst. iv. p. 815. 4°; Syst. Antl. p. 288. 21. 
Trypoderma americana, Wiedem. Aussereur. zweifl. Ins. ii. p. 258. 3”. 
Cuterebra americana, Macq. Dipt. Exot. ii. 3, p. 23.5°; Brauer, Monogr. Cistr. p. 242. 11, t. 4. 
£.2, & t. 6. f. 74; Walk. List Dipt. Brit. Mus. iii. p. 683 °. CL 
Cuterebra cauterium, Clark, Essay on the Bots &c. p. 70, t. 2. f. 28°. ( [aver if 
Cuterebra terrisona, Walk. List Dipt. Brit. Mus. iii. p. 6857. = aug 
Hab. Norra America 2246, Nova Scotia 5, United States. —Mexico 1, Northern Sonora 
(Morrison), Zacatecas (Hoge); Guatemaa ?.—ANTILLEs |. | 
It is on the authority of Prof Brauer that I refer C. terrisona, Walk, to this species. — ©© 2*6= 7°" 
is on the authority of Prof. Brauer * that 1 reter ©. verrisona, Walk., to tis species. Le a Aint’ feces 
2. Cuterebra emasculator. " CuTberhrs aid UF 
Cuterebra emasculator, Fitch, Noxious Insects of N. York, Reports 3, 4, and 5, Suppl. p.160, aus n. he Ny, 
§ 210’; Brauer, Monogr. Mistr. p. 232. 2’. Werte. 
Hab. Nortu America}, New York 2, Arkansas ?.—Muexico, Northern Sonora (Mor- 
rison), Presidio (Forrer). 
Two males from Presidio were bred from larve found in the neck of a Squirrel 
(Sciurus sp.); the identification of these has been confirmed by Prof. Brauer. The 
four specimens (a male and three females) from Sonora I refer with some doubt to this 
species, on account of the hairs and pollen being almost entirely rubbed off. 
According to Brauer (J. ¢. p. 230.1) C. scutellaris, Loew, is probably the same species. 
* By F. M. van per WuULP. 
BIOL. CENTR.-AMER., Dipt., Vol. II., April 1888. b 
