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NEW YORK STATE MUSEUM 



Lake Superior, Canada and Ohio, and it has been listed by Ulke from the 

 District of Columbia, where it occurs on pine. 



Bibliography 



1890 Packard, A. S. U. S. Ent. Com. 5th Rep't, p. 722-24- 



Clerus quadriguttatus Oliv. 



A jet-black beetle only % inch long and with silvery white markings on the wing 

 covers, occurs in midsummer on pines. ■ 



This, one of our smaller beneficial species, is only 

 *4 inch in length. The head, thorax and posterior por- 

 tions of the wing covers are jet-black except for transverse, 

 silvery white markings on the latter ; the basal portion of 

 the wing covers is reddish. This little beetle occurs rather 

 commonly on hard and probably other pines infested by 

 Tomicus or other borers, on which it undoubtedly preys. 

 Adults were taken from the latter part of June throughout 

 Fig. 195 ciems July. It is a common, somewhat abundant species in the 



quadriguttatus, m 



enlarged (original) northeastern United States. 



Rhyncolus brunneus Mann. 

 This rather slender, jet-black beetle about s/ 32 inch in length occurs 

 under decaying pine bark. The head and thorax taper slightly anteriorly, 

 are finely punctured and the wing covers coarsely striated with series of 

 almost confluent, coarse punctures. 



Synchroa punctata Newm. 

 This obscurely colored, brownish melandryid with the wing covers 

 thickly clothed with a yellowish pubescence, is about inch long and has 

 been taken under the bark of white pine and maple. Larvae and pupae 

 were found by Mr Young under maple bark at Ilion, May 31, the beetles 

 issuing June 5. 



Scymnus tenebrosus Muls. was beaten from pine at Karner July 27, 

 1 90 1. 



