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NEW YORK STATE MUSEUM 



Bibliography 

 1858 Fitch, Asa. Ins. N. Y. 4th Rep't 1857, p. 36-37 

 1890 Packard, A. S. U. S. Ent. Com. 5th Rep't, p. 713-15, 858, 903 

 1899 Hopkins, A. D. W. Va. Agric. Exp. Sta. Bui. 56, p. 253-54, 342, 422, 445 

 1903 Felt, E. P. For. Fish & Game Com. 7th Rep't, p. 487-88 



Tomicus caelatus Eich. 



A brownish or nearly black cylindric beetle about '/6 inch in length may be found 

 working in the inner layers of thinner pine bark, particularly that of the middle portion 

 of the trunk and on the underside of the limbs of larger trees. 



This borer, like Tomicus cacograpfius Lec. and T. pini Say- 

 is frequently associated with the larger and very common T. calli- 

 graphus Germ, and like the other small forms prefers the thinner bark 

 of smaller trees or that of the upper portions of the trunk of larger ones. 

 This bark beetle has been characterized by Dr Fitch as one. of the most 

 pernicious of all the insects infesting our white pine forests and the yellow 

 pine in the Southern States. He adds that while most of the larger borers 

 may attack old and decaying or dead trees, this small insect is liable to 

 invade those that are in full health and vigor and young trees as well as 

 older ones. 



This species is stated by Dr Hopkins to be very common in West 

 Virginia in partly living bark, on living, dying and dead, standing and felled 

 trees. He adds that it infests all of the pines and the native and intro- 

 duced spruces and that it is widely distributed. He has found Hister 

 c y 1 i n d r i c u s Payk in the galleries of this species. 



This beetle was found at work in balsam in company with Tomicus 

 balsam eus Lec, in hard pine with T. call i graph us Germ, and 

 T. c a c o g r a p h u s Lec, in white pine with T. c a 1 1 i g r a p h u s Germ, and 

 T. pini Say and in spruce with P o 1 y g r a p h us r u f i p e n n i s Kirby. 

 It was also taken on spruce and tamarack at Big Moose N. Y., Aug. 3, 

 1903, probably attracted to the recently burned trees. 



Description. This is another medium sized Tomicus, being about 

 y% inch in length, cylindric, and varying in color from a light to a very dark 



