474 REVIEWS AND BOOK NOTICES. 
broad leaved forms of Pinus) as to kill the tree. The male (Fig. 
118) differs from the Fig. 119. 
male of the apple bark NT i 
louse in being of a uni- 
form orange-red. The 
species is double brood- 
ed, while the apple bark 
Fitch and LeBaron, as 
well as Mr. Riley, seem 
only to have found it on 
cultivated pines, but we 
have found it frequently 
in June of the present | 
year on the leaves of 
the white pine at Bruns- 
wick, Maine. 
e then have an ac- Pine bark Louse. 
count of the habits and transformations of Scolytus carye Riley, 
Fig. 120, the hickory bark borer 
(Fig. 120, 1, burrows 
of young larve, which 
afterwards run length- 
wise along the bark 2; 
atl 3, beetle enlarged and 
i| J į of natural size; 4, lar- 
| va; 5, pupa.) It in- 
i fests the hickory, Pe 
can and other species 
j j Carya. 
Net N The chapter On 
il stinging caterpillars 18 
in the main corrobora- 
tive of Mr. Lintner’s 
interesting remarks on 
this subject. One of 
the most prominent of 
these larve is that of 
À 
Hickory Scolytus. eggs, Fig. 123, larva, 
