36 



INSECT PARASITES. 



Fig. 11. 



Or n ith omy ia a vicu la i 'ia . 



violent irritation. These flies can easily be cleared 

 from the cavities by sponging the openings with 

 asafcetida (4 ozs. to a quart of water). 



Fowl- Bug. 



Not uncommon in very dirty poultry-houses is 

 the Poultry-Bug or Dove-Bug, Acanthia columbaria, 

 Jenyns (fig. 12). This is a large brownish bug, 



Fig. 12. 



Fowl-Bag (Acanthia columbaria). 



about J of an inch in length. It is closely allied to 

 that nauseous creature the ' bed-bug,' and like the 

 latter it is provided with a sharp and piercing pro- 

 boscis. Its food is the blood of the Pigeon and 

 Fowl — the latter being bothered by them chiefly at 



