townsend: new generic name for screw-worm fly 645 



lett^ clinched it in 1910 by designating regalis R.D. ( = marginalis 

 Wd. ace. Bezzi)" as the type. A careful comparison of dux 

 and marginalis shows that they are undoubtedly congeneric, 

 at least so far as can be made out from external characters. 

 Therefore Compsomyia apparently becomes a synonym of 

 Chrysomya. 



Chrysomya is confined to the Old World, while macellaria and 

 its congeners are confined to America. The latter are generi- 

 cally distinct on external adult characters from both dux and 

 marginalis and all the Old World species. Compsomyia origi- 

 nally included only Old World species and thus it could not, in 

 any event, have been used for macellaria. 



Musca macellaria is wrongly cited by Coquilletti'^ as the type 

 of Paralucilia Brauer & Bergenstamm,i^ by accepting the syn- 

 onymy of E. Lynch-Arribalzaga,^2 ^ho gives Calliphora fulvipes 

 Macquart^^ as a synonym of macellaria. This synonymy can 

 not be accepted, since Brauer & Bergenstamm^-* state that ful- 

 vipes Macquart, for which they erected Paralucilia, has the 

 vibrissae close on the oral margin and not constricting the facial 

 plate. 



In 1883 Brauer^^ cited the generic name Callitroga Schiner MS. 

 as having been applied to macellaria and its relatives; and in 

 1893 Brauer & Bergenstamm'^ state that this name was used 

 in this sense by Schiner in the collection, evidently on labels. 

 The standing of the name Callitroga is thus that of a manuscript 

 name cited in synonymy; wherefore it is not validated and hence 

 is not available for use. 



It thus appears that there is no generic name in existence 

 that can be used for inacellaria. It is the purpose of this 



8 Proc. U. S. Nat. Mus. 37: 523. 1910. 



s Bull. Soc. Ent. Ital. 39: 48. 1907. 

 i«Proc.U.S.Nat. Mus.,37: 584. 1910. 



'1 Denkschr. Math.-Nat. CI. Kais. Akad. Wiss. 58: [87] 391. 1891. 

 '"Anales Soc. Cient. Arg. 10: 71. 1880. 

 " Dipt. Exot. 2: 3, 132 [289]. 1843. 



i« Synopsis in Denkschr. Math.-Nat. CI. Kais. Akad. Wiss. 60: [90-92] 178- 

 180. 1893. 



'5 Denkschr. Math.-Nat. CI. Kais. Akad. Wiss. 47: 74. 1883. 



i« Denkschr. Math.-Nat. CI. Kais. Akad. Wiss. 60: [106] 194. 1893. 



