HOUSEHOLD AND CAMP INSECTS 



25 



Wasps and Hornets 



The paper wasp and the common wasp frequently occur about 

 buildings and are of considerable service in destroying flies. Oc- 

 casionally, if exceptionally abundant, they may become a nuisance 



Fig. 6 Hornet enlarged 

 (after Riley) 



on account of the danger from stinging. These insects can easily be 

 excluded by the use of screens and in case of their being excessively 

 abundant, the nests should be found and the inmates destroyed at 

 night with chloroform or bisulfid of carbon. 



MOSQUITOES 



A large number of species occur in the United States, about 

 sixty being known in New York State. Fortunately, owing to re- 

 strictions imposed by habits, comparatively few species are suffi- 



Fig. 7 Malarial mosquito, female, 

 with male antenna at right and wing 

 tip showing venation at left. (Re- 

 duced from Howard, U. S. Dep't Agr. 

 Div. Ent. Bui. 25. n. s. 1900) 



hlg. 8 Characteristic feeding position of 

 malarial mosquito wriggler in upper figure, 

 and that of the common mosquito in lower 

 figure. (Reduced from Howard, U. S. 

 Dep't Agr. Div. Ent. Bui. 25. n. s. 1900) 



