338 REPORT OF THE SECRETARY OF THE 



stretched out horizontally forwards; and as may be seen by 

 referring to the figure (Fig. 1, c) is scarcely as long as the head 

 and thorax together, and can be folded back between the legs, 

 where there is a groove to receive it. The Plum Curculio is 

 broadest across the shoulders and narrows behind, and more- 

 over, the black sealing-wax-like, knife-edged elevations on the 

 back, with the pale band behind them, characterize it at once 

 from all our other fruit-boring snout-beetles. 



[ FiGUKB T. ] 



Apple Curculio— (a) natural size ; (b) side view ; {c) back yiew. 



The Apple, or Four-humped Curculio (Fig. 7) is a smaller 

 insect, with a snout that sticks out more or less horizontallv, 

 and cannot be folded under, and which in the male is about 

 half as long, and in the female is fully as long as the whole 

 body. This insect has narrow shoulders and broadens behind, 

 where it is furnished with four vei-y conspicuous humps, from 

 which it takes its name. It has neither the polished black 

 elevations nor the pale band of the Plum Curculio. In short, 

 it differs general]}', and never attacks stone fruit. 



The size varies, as you will see from the specimens in the 

 lecturing-box, from less thau l-20th to nearly l-13tli of an 

 inch, but the colors are quite uniform, the body being ferru- 

 ginous or rusty-broAVu, often with the thorax and anterior 

 third of the wing-covers ash-gray. — the thorax having three 

 more or less distinct pale lines. 



