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(d). — -"Little red lice" feeding on the rough parts of the skin and on 

 the hairs, causing irritation — most abundant in spring. 



Biting Cattle Louse. (Trichodectes scalaris) 

 Control. — Same as for sucking lice (c). 



Horses. 



(a). — Bots attached to wall of stomach — adult fly light brown, does 

 not bite, but horse is worried. Eggs laid on hairs of legs and shoulders. 

 Horse Bot-Fly. (Gastrophilus equi) 



Control. — Wash legs and shoulders with diluted carbolic acid every 

 ten days to kill the eggs. 



(b). — Similar to (a) but eggs are attached to hairs of lips and nostrils. 



Chin Bot-Fly. (Gastrophilus nasalis) 

 (c). — Large black fly that flies swiftly and bites severely, giving much 

 annoyance to horses. 



Horse Gadfly. (Tabanus atratus) 

 Control. — Use nets on horses. 



Hogs. 



(a). — Gray sucking lice — often qu'te large. 



Hog Louse. (Haematopinus urius) 

 Control. — Washes of diluted carbolic acid (1 to 30) or Black Leaf 

 40 (1 to 800), or kerosene emulsion. 



Poultry. 



(a). — Yellowish or reddish mites infesting hens and chicks at night; 

 piercing their skin and sucking the blood, causing much irritation and 

 often death. 



Chicken Mite. (Dermanyssus gallinae) 



Control. — Houses well aired and lighted; remove droppings and 

 old nesting material. Clean and scrub all perches, roosts, nests, walls 

 and floors and spray with 5 per cent cresol or with 3 parts kerosene and 1 

 part crude carbolic acid. 



(b). — Small pale yellow active insects feeding on rough parts of skin 

 and bases of hairs and feathers, causing much irritation. 



Common Hen Louse. (Menopon pallidum) 



Control. — Houses well lighted and airy; access to dust bath; dusting 

 with insect powder. 



