MYIASIS— TYPES OF INJURY, LIFE HISTORY, H.\BITS 18!) 



it. is generally believed that tlie eggs are deposited on the ground in places 

 fre(juented by hosts and the larva? hatch and penetrate directly througli 

 the skin. In some cases it appears that eggs have been deposited on 

 clothing, especially if moist with perspiration. They appear in March 



^-,3i si' '--%■•'' '.'•',''(- '•■'•■■^"■' j',i)i|j ' % : 



Fig. 38.— Full-grown larva of the Tumbu-fly (Cordijlobia anthropophaga, Grunberg). 

 Ventral view. X 6. (From Austen.) 



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Fig. 39. — The Tumbu-Fly {Cordylobia aiithropophaga, Grunberg). Female. X 6. 



(From Austen.) 



and diminish until some time in September when they entirely disappear. 

 Experiments conducted by Roubaud indicate that the choice of host 

 depends mainly on body temperature, the high temperature of hogs and 

 fowls being fatal to the larvae. 



Cordylobia roJhaini Gedoelst is the cause of cutaneous myiasis in the 



