TWIG-BEETLES. 



69 



smoking tobacco is left undisturbed if it can not have cigars or 

 cigarettes. It is very destructive to all kinds of tobacco, and is 

 a serious trouble to the manufacturers of such ware. Still, even 

 if more cigarettes were spoiled the general loss to sensible peo- 





Fig. 76y 3 . — Lasioderma aerricorne. Fab. After Livision of Entomology, U. S. 

 Department of Entomology. 



pie would not be very important. But there are other members 

 of this family that deserve the close attention of fruit-growers. 

 The cigarette-beetle is illustrated in Fig. 76%. 



THE APPLE-TWIG BORER 



( Amphicerus bicoudatus Say). 



This beetle is cylindrical, about one-third of an inch in 

 length, of a dark chestnut-brown color above and black beneath. 

 By consulting the illustration, (Fig. 77), it will be seen that its 

 thorax is roughened in front with minute elevated points, and in 

 the males is furnished with two little horns ; this sex has also 

 two small thorn-like projections at the extremities of the wing- 

 covers. This beetle bores into small apple-twigs in early spring, 

 entering close to a bud, and making a channel several inches in 

 length, apparently to obtain both food and shelter ; sometimes the 

 canes of grapes are invaded in similar places, and are killed in 

 consequence. Twigs of pears and cherries are also used for this 

 purpose. 



Both sexes make such tunnels, and they are occasionally 

 found in them during the middle of winter as well as in sum- 

 mer; they are usually found in the tunnels with the head down- 

 wards. In this manner thev sometimes work during the sum- 



