HOUSEHOLD AND CAMP INSECTS 



63 



on animal matter such as ham, bacon, various meats^ old cheese, 

 horns, hoofs etc. The very hairy, brown grub is about one-half 

 of an inch long when full grown. 



Meats and other foodstuffs attractive to this insect should be 

 stored in places inaccessible to the beetles. It is said that old 

 cheese can be used very successfully for trapping the parent insects. 

 Cheese or meat infested by the grubs should have the affected part 

 cut away and the surface washed with a very dilute carbolic solu- 

 tion. The packing of meats in tight bagging is of considerable 

 service in preventing attack. 



Cheese Skipper 



The cheese skipper^^ is the young of a small, black, glistening fly 

 about three-sixteenths of an inch long. The white, cylindric mag- 

 gots are easily recognized by their peculiar jumping power. This 



I 



Fig. 25 Cheese skipper: a, maggot or larva; b, puparium; c, pupa; d, male fly; e, 

 female; all enlarged. (After Howard, U. S. Dep't Agr. Div. Ent. Bui. 4. n. s. 1896) 



is accomplished by bringing the two ends of the body together and 

 then suddenly straightening with a quick muscular action. The 

 maggots of this insect are likely to occur on cheese, particularly 

 that which has been kept for some time, and also upon ham. This 

 species has proved to be a serious pest in some packing houses. It 

 is more or less abundant about cheese factories. 



Piophila casei Linn. 



