INSECTS Al-I-ICCTINC. I'AUK AND WOOUI.AN.l) TKEES 67 I 



Xylotrechus undulatus Say. 

 A beautiful, cylindric, brown.sh l.cck- al.out '. inch long, an.i „rnament.,l by 

 sulfur-yellow markings, occurs on both hemlo. k and spruce. 



This spcci.s is closdv allied to X. c o 1 u n t. s Fal.r.. l.ul may be 

 separated, according to Mr \V,ckha,n, l.y the thorav having an ap.cal and 

 basal pubescent band, the elytral bands bein;^ ang.dated or 

 undulatory. It is a beautilidly marUe.l species with con- 

 siderable 'sulftir-yellow on the latcM-al anterior portions of 

 the thorax. .Specimens were taken on spruce and hemlock 

 at l.ake Clear and Bio" Moose in early July lyo;,. Dr 

 Packard also states that he has beaten it from spruce 

 at the end of Jnly, and Dr Lintner states that I'rastvis 

 Cornin«( jr of Albany, met with the insect at Murray P.ay 

 Can in the month of Aii-ust, at which time they were 



' . Kit;. "98 Xyl" irc- 



emero'in"' from biu'rows ni spruces. cims uniiuiatuB. 



Distribution. This species has a wide distribution in 

 this country, since it has been recorded from Canada and the Eastern 

 States, and Dr Packard mentions having; receivetl it from Tacoma Wash. 

 Mr Fall records it from the northern portion of California. This species 

 is stated by Dr Hamilton to be rare- in southwestern Pennsylvania. It has 

 been recorded from New Jersey by Dr Smith. 



Blazed tree borer 

 Scrropalpus barbatiis Schall. 



A slender, whitish, wood-boring grub enters the wounds of living trees and bores 

 deep into the sapwood and heartwood. 



The larva.of this Melandryid is a slender, whitish, wood-borin^^ crrub, 

 which enters wounds on livin.i^r trees and bores de.q. into the sapwood and 

 heartwood, causin.^. rapid decay of th.. infested parts. Dr Hopkins states 

 that it is common in blazed wood <.n balsam, fir and spruce trees along 

 trails in northwestern Maine, while Dr Smith lists it from New Jersey and 

 states that it has been taken from dr\- fungus. 



