CATALOGUE OF INSECTS. , 363 



X. obesus Lee. Hopatcong (Pm), Lakewood (Bradford det LI) : infests 

 black oak, beech and hemlock timber, causing large black pin holes 

 (Hp). 



X. celsus Eich. Orange Mts. (Bt), Orange, VI, at light (Ch), DaCosta (W): 

 breeds only in hickory. 



X. fuscatus Eich. " New Jersey " (Jl), Orange Mts. (Bf), Ocean Co. ; breeds 

 in oak, hickory, chestnut, pine (Hp). 



X. xylographus Say. DaCosta, Cape May Court House, V, 26 (W), Angle- 

 sea, VII (Sz) : breeds in apple and many other deciduous trees. 



X. pubescens Zimm. Newark (Bf ), DaCosta (W) : infests oak, chestnut, 

 cherry, magnolia, &c. (Hp). 



DRYOCG3TES Eich. 



D. autographus Ratz. Orange Mts. (Bf) : mines under green bark on logs, 

 stumps, &c, of spruce (Hp). 



D. granicollis Lee. "New Jersey " (Jl), habits as above (Hp), under bark 

 of chestnut, near roots (Ch). 



IPS DeG. = TOMICTJS Latr. 



I. calligraphus Germ. Throughout the State : mines under green bark of 

 dead or dying pines (Hp). 



I. cacographus Lee. As before, with similar habits on pine and spruce. 



I. pini Say. " New Jersey " (Jl), Newark (Bf ) : infests pine and spruce (Hp). 



I. caelatus Eich. Throughout the State on pine and spruce. 



MICRACIS Lee. 



M. asperula Lee, " New Jersey " (Jl). 



M. opacicollis Lee. Eagle Rock (Bf), New Brunswick, common in small oak 

 twigs : Mr. Schwarz thinks this is identical with asperula for which 

 Hopkins records similar habits. 



M. suturalis Lee. Newark (Bf). 



THYSANOES Lee. 



T. quercus Hopk. Eagle Rock (Bf), infests the bark of dead oak and chest- 

 nut twigs (Hp). 



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 other- 

 wise have recovered under stimulating treatment. 



