THE INSECTS OE NEW JERSEY. 
403 
TOMICUS Latr. 
T. calligraphus Germ. Throughout the State; mines under green bark 
of dead or dying pines (Hpk). 
T. cacographus Lee. With the preceding on pine and spruce. 
T. pini Say. Newark (Bf); DaCosta VI, 2, and still in the wood VII, 7 
(W); Avalon VIII, 2 (GG); infests pine and spruce (Hpk). 
MICRACIS Lee. 
M. asperula Lee. New Jersey (Jiil). 
M. opacicollis Lee. Throughout the State, winter and spring, in small 
oak twigs; common. 
M. suturalis Lee. Newark (Bf). 
THYSANOES Lee. 
T. quercus Hopk. Eagle Rock (Bf); infests the bark of dead oak and 
chestnut twigs (Hp). 
T. fimbricornis Lee. Westville VI, 16, Chews Landing VI, 9, on hickory 
and just leaving the wood (W). 
SCOLYTUS Geoff. 
S. quadrispinosus Say. Throughout the State in July; bores under bark 
of feeble or dying hickories and often kills shade trees that would 
otherwise have recovered under stimulating treatment. 
S. muticus Say. Newark (GG). 
S. rugulosus Ratz. The fruit bark beetle; 
common throughout the State, often hast¬ 
ening the death of all sorts of fruit trees. 
A tree once thoroughly infested should be 
cut down and destroyed; one just attacked 
may sometimes be saved by stimulating 
treatment. 
CHRAMESUS Lee. 
C. icorias Lee. Throughout the State V & VI, 
boring under bark of cut or dying hickory 
branches. 
PHLCEOTRIBUS Latr. 
P. liminaris Harr. Hopatcong (Pm); Orange 
Mts. V, 19 (Bf); attacks living peach, plum, cherry (Ch), mining 
under green bark (Hpk). 
P. frontalis Oliv. New Jersey (Jiil); under green bark of Mulberry 
(Hpk). 
Big. 169.—Bruit bark-beetle, 
Scolytus rugulosus; 
enlarged. 
