POISONOUS INSECTS AND THEIR RELATIVES 423 



The eggs, which are white but later change to yellow 

 and pink, are laid out-of-doors normally and hatch in 

 about twenty days. Marlatt says there are four stages in 



FIG. 146. The blood-sucking cone-nose. (X 3.) 



the development of the young to adults and that in all of 

 them the insect is very active. 



The bite of the cone-nose, like that of most insects, will 

 vary in its effects with the nature of the individual bitten. 

 The piercing of the skin, says Marlatt, "is evidently 

 accompanied by the injection of some poisonous liquid or 



