852 



THE DIPTERA 



Auchmeromyia prsegrandis Austen, 1910. 

 A saffron-yellow fly. It occurs in South Africa. 



Pollenia Robineau-Desvoidy, 1830. 



The larvae of Pollenia rudis Robineau-Desvoidy have been found 

 in a case of gastric myiasis in man. 



Bengalia depressa Walker. 



By an error this fly was said to cause cutaneous myiasis in Natal, 

 Rhodesia, British Central Africa, Uganda, and the Sudan, the true 

 causal agent being Cordylobia anthropophaga Griinberg. The life- 

 history of 5. depressa is unknown. 



Family Anthomyid^ Latreille. 



Diptera with arista naked or pectinate. Thorax with complete transverse 

 suture. First posterior cell completely open. Abdominal bristles often 

 absent. 



This family includes a number of genera known to be troublesome to man- — 

 Fannia Robineau-Desvoidy, Hylemyia Macquart, Hydrotcea Robineau-Des- 

 voidy — 'Which may be recognized by the following characters : {a) Arista bare 

 — Fannia ; {b) arista plumose- — Hylemyia ; (c) arista pubescent — HydrotcBa. 



Fannia Robineau-Desvoidy, 1830. 

 Fannia canicularis Linnaeus, 1761. 



Synonyms, — Homalomyia canicularis Linnaeus, Anthomyia canicularis Lin- 

 naeus. 



This species has frequently been reported as being passed in human faeces. 



Fig. 443. — Fannia canicularis Linnaeus: Female. (X8.) 



