INSECTS AFFECTING PARK AND WOODLAND TREES 5O3 



Scarlet winged clerid 

 ThancrocUriis saiigiihicns Say 

 This brilliant little beetle occurs under the dead bark of maple and 

 beech in dry situations. It is only about 3/,6 inch in lenijth and has a dark 

 brown, rather coarsely punctured pubescent head and thorax and may be 

 easily recotjnized by the brilliant scarlet wing covers which are coarsely 

 thoueh irreyularh punctured. 



Phyllobaenus dislocatus .Say 



.V small, blackish, yellow-marked beetle about < ,6 inch in length, may be met with in 

 the galleries of certain bark borers. 



This species was reared from hickory limbs obtained at Ilion X. V., 

 the atlults appearing June 20. The tree was also infested with C h r y s o- 

 bolhris femor;ita b'abr., and M a g d a 1 i s olyra Herbst, which 

 were preyed on by several parasites, antl this clerid may i)ossibly have 

 been subsisting on the latter borer. 



Description. The adult beetle is about -Vio inch in length, the head and 



thora.x black, and the wing covers jet-black, markeil with pale yellowish, 



having an irregular oblique mark near the humeri and one 



near the posterior third, with a small spot near the tij). The 



head and thorax are rather coarsely pimctured, and the wing 



covers are ornamented with very coarse, almost conlluent 



punctures. This species, according to Dr Hopkins, attacks, 



Polygraph us r u f i p e n n i s Kirby in black spruce, and . 



P i t y o p h t h o r u s consimilis Lee. in sumac, and he > 



. f ,■ 

 found it associated with Scolytus rugulosus Ratz. in "^ 



apple. Adults were obtained by him from the middle to the ""'bicn'u/'d'liol 



1 r t 1*1 T^ 1 c a I II s, cnlarKcd 



latter part of June ami m early December. (ariKin.an 



Distribution. This species probably has a wide distribution in the 

 eastern United .States, since it occurs in Xew York, and has been listed 

 from the \i(iniiy of Cincinnati O., southwestern Pennsylvania, various 

 localities in Xew Jersey, and from West \'irginia. 



