460 



NEW YORK STATE MUSEUM 



works in decaying- birch and it is probable that tlic Larvae are somewliat 

 similar [see p. 466, fig. 1 16 for an illustration of this latter insect]. 



Grynocharis quadri-lineatus Melsh. 



This black, rather flattened beetle occurs on beech stumps in May. 

 The eyes are medium, rather finely granulated ; head somewhat coarsely, 

 and prothorax rather finely punctured, while the wing covers are marked by 

 a number of conspicuous ridges with the interspaces coarsely punctured, 

 almost reticulate. 



Xylocleptes species 



Dark brown or black Ijeetles, alxuit '/j^ inch long, make longitudinal l)Lirr()«s in 

 ])artly decayed sugar nia]jle limbs. 



This species was met with by the writer in very small nimibers August, 

 iQOr at Axton N. Y., in a dead sugar maple limb. The adult bt^etles run a 

 somewhat tortuous longitudinal gallery just under the 

 bark and escape, as in the case of most bark borers, 

 through round holes about ' ,,^ inch in dianu-ttr. A 

 central chamber was detected in one instance ami in tiiis 

 case there were two longitudinal galleries ]jrocceding 

 Fig .... .. ,...rii.,„ .,f icK therefrom and slitrht notches indicated the ho'inning of 



of X) 1 .. ,. le p te s sp.; ^ -^ -^ 



two Others. Kggs are evidently ilepositc-tl on cilhor sitle 

 of the burrow and the young makes somewhat tortuous 

 galleries at a[)proximately right angles to those of the adults. The insects 

 were probabh' breed- 

 ing at the time they mat^^'^^^j ' ^'~rz~? — n?"^^! 



were collected, as a F.;;, 113 XylocIeptes work indec:iyinq-m.'.ple twig (original) 



f(;w lar\ae were seen but not preserved. 



Description. The Ijeetle is less than '^ ,2 inch m length, cyliiidric, rather 

 slencUtr and of a dark brown color excejjt tht* legs, which are a light brow 11. 

 The head is well retracted ami the black eyes are coarsel)' granulate. The 

 anterior portion of the prothorax is tuberculate, the dorsal |)art and the 

 wine co\'prs or elytra are rather s|iarseh' and coarsely punctured. 



^=middle tibia of P i t y - 

 n 1; e .. e s sp. a (p. 374). 

 e.ilarged (orieil.al) 



