CHRYSOMYIA 



847 



Chrysomyia Robineau-Desvoidy, 1830. 

 Chrysomyia macellaria Fabricius, 1794. 

 Synonyms.^ — Musca macellaria Fabricius, 1794; Lucilia macellaria 

 Robineau-Desvoidy, 1830 ; L. hominivorax Coquerel, 1858 ; Calliphora 

 infesta Philippi, 1861; C. macellaria Jorge, 1878; C. anthropophaga 

 Conil, 1878; Compsomyia rubrifrons Macquart; Somomyia montevi- 

 densis Bigot. 



Fig. 437. — Chrysomyia macellaria : Female. (X 4-) 



In all this fly has twenty-six synonyms, largely due to Walker, 

 Macquart, and Robineau-Desvoidy, but these were all carefully 

 consolidated by Arribalzaga. 



Muscinae with blue bodies, red front to the head, and three black 

 lines on the thorax. The body, which is less than 10 millimetres 

 in length, is covered with stiff black hairs. 



Life-History.— The fe- 

 male deposits some three 

 10 four hundred eggs in a 

 space of a few moments in 

 some wound or decaying 

 matter, but as the same 

 fly may oviposit in differ- 

 ent places at different 

 times, the total number of 

 eggs laid by one fly must 

 number some hundreds, or 

 perhaps even thousands, 

 millimetre in length, and 

 They hatch in from one to 



Fig. 438. 



-Chrysomyia macellaria 

 (X4-) 

 (After Blanchard.) 



Larva. 



The eggs are white and cylindrical, i 

 marked by a prominent unilateral ridge. 



nine hours, and produce a whitish footless larva, rather slender. 



