450 



NEW YORK STATE MUSEUM 



Callidium aereum Newm. 

 A brownish, flattened beetle about J2 inch long, occurs on chestnut, the larvae 

 mining the inner bark. 



This species appears to be generally distributed in the eastern United 

 States. It has been recorded from New York, New Jersey and the District 

 of Columbia. The larvae mine the inner bark of chestnut, and in the 

 opinion of Dr Hopkins may hasten and perhaps cause the death of 

 aged or injured trees. The adult may be separated from others of its 

 species, according to Wickham, by its color, it being entirely testaceous or 

 brownish, while the related forms, Callidium antennatum Newm. 

 and C. j a n t h i n u m Lee, are metallic blue or green or buff. This species 

 breeds in chestnut, while the others occur, more commonly at least, in pine 

 and perhaps other coniferous trees. Mr Ulke records this, among other 

 species, as being common on pine. This record evidently refers to places 

 where the adults were captured and does not necessarily 

 imply that the insect breeds in this tree. 



Leptura zebra Oliv. 



A beautiful, black, golden-marked beetle about fa inch 

 long, occurs on various trees in June. 



A single specimen of this handsome insect was 

 cut from living chestnut bark just above where a chip 

 had been taken from a tree at Highland, June 2, 1903. 

 Description. This species presents brilliant con- 

 trasts of golden yellow and black on the thora.x and 

 wing covers. The former is margined anteriorly and 

 posteriorly by bright golden yellow ; there is a yellow 

 band near the base of the elytra, each half being 

 arcuate ; a broad band across the middle of the wing covers is more or less 

 divided into two large, oval, black spots. Underneath, the insect is clothed 

 with yellowish pubescence, thickest on the posterior margins of the abdomi- 

 nal segments. There is a much narrower band near the tip of the elytra. 

 The mouth parts and the legs are yellowish red. 



Fig. 106 Leptura zeb 

 Urged (original) 



