MUSCID;E 



a woman suffering from cancer. 1 They were found at Shrewsbury. Hagen 2 reports 

 the larva} of this fly as occurring alive in the urethra of a patient. F. V. T.] 



Homalomyia scalaris, Fabr. 



[This is not a synonym of the above, but a distinct species. 

 [//. manicata, Meigen, is also distinct. F. V. T.] 



Anthomyia desjardensii, Macq. 



This fly, allied to Homalomyia, is the cause of both intestinal and cutaneous 

 myiasis at Bihe, Angola (Wellman, Joitrn. Trap. Med. and Hyg., June, 1907, 

 x, p. 1 86). 



Hydrotaea meteorica, L. 



The larvae live in decaying vegetable substances, also in dung, and have been 

 evacuated in some cases by man (Zetterstedt, Joseph). 



FIG. 405. Larva of 

 Homalomyia canicularis. 

 Enlarged. 



FIG. 406. Larvae of 

 Calliphora vomitoria. 

 Enlarged. 



Cyrtoneura stabulans. 



FIG. 407. Larva of 

 Chrysomyia macellaria. 

 4/1. (After Conil.) 



Larvae in fungi, but occasionally also on larvae of butterflies and Hyiiienoptera; 

 occasionally introduced into the human intestine (Joseph). 



Musca domestica, L., 



and M. (Calliphora) vomitoria, L., and allied species ; larvae of these have been 

 repeatedly found in the intestine and nose of man (Mankiewicz, etc.). 3 



1 Theobald, " First Report Economic Zoology," Brit. Mus. (Nat. Hist.}, p. 55. 



2 Hagen. Proc. Bost. See., N.H., xx, p. 107. 



3 " Larvae of a Musca, probably M. corvina, were passed in numbers per rectum by a child 

 in Liverpool with Homalomyia larvze," "Second Report Economic Zoology," Theobald, 

 1903, p. 16. 



