39 

 injiimnm; tin; woon. 



THE FLAT-HEADED BORERS. FAMILY BUPRESTID^. 

 l^A^ltr OF- CASK LO. 



236. The Turpentine 'Borer (liiipnxii'i (tjirinnis ]\hst.). 



Till' larvjc lion- into tlio solid n'siiions lu'iirtwoixl of l()ii<,'-lciiff<I pine after " hox- 

 iiij^" by tiiri)eiitiiu> worker?, .«!) wciikcuiiijx tlic trunk as to cause it to l)reak ami 

 spoiliii;,' I>ortioiis of it for linnl>er. 



Ivviiiiur: Adult, work. 



237. The Golden Buprestis (IhijnrMls aiiridnild lAnn.) . 



Larv:i' l)orr into trunks of dead pine, 8])nice, fir, and other conifers. 

 MMiimr: Adults. 



238. The Heart-wood Pine Borer {(Jhalcophurd virtjinit-mlti Dm.). 



l,arv;i' liore into truidcsof dead pine and si)rueeand into heartwood of liviu); trees. 

 KxniniT: Adults, work. 



AVALL CASE. 



239. The Cypress Sapwood Borer {Acmiwdera pulcheUnYlbst.). 

 Larva- mine the sapwood of girdled cyjiress several years after death. 

 Kxnmrr: Work. Cypress l)oard showing injury to the sapwood (large case). 



THE TIMBER BEETLES. FAMILY SCOLYTIDiE. 

 FART OW CASK -il. 



240. The Hickory Timber-Beetle {X!/lrl)orii>^ rrlsiis VAvh.). 



The ailults excavate long branching galleries in flying trees and logs of hickory. 

 Ivvniiur: Adults, work. 



241. The Pan- American Platypus {P/ati/ims cotujxtsilii.i t^ny). 



The atlults bore into the sapwood and sometimes into the ln'artwood of dying 

 hardwoods and coniferous trees of numerous species. 



Kxiiiiut: Work. Boards from girdled cypress showing }iin-hole detects cau.sed I»y 

 the galleries. 



THE POWDER-POST BEETLES. FAMILY PTINID^. 

 I'^VK'i' < )JH' c"ASJh: -LI. 



242. The Red-Shouldered Ptinid Borer {Shioxylon basilarr Say). 



A<lult bore-s short curved galleries in branches of dead hickory, pei-simmon and 

 most other deciduous trees: the larva- bon- the solid wdod. 

 I'.miihit: Adults, work. 



243. Powder-Post Beetles ((ienus /.(/(/(/.i). 



I'.xuiiut: ^\'ork, sections of sea.s(»ned ash an<l hi<'kory showin-j- . li:ii:iii.Tl-iic 

 injury by the bt-«-tles ami larva-. (I>arge case.) 



THE TIMBER WORMS. FAMILIES BRENTHIDiE AND LYMEXYL- 



ID-ffi. 



I'AIC I < )I^' C'ASI<'> -II. 



244. The Northern Brenthis ( Kii/isdliM ininiitu Dm.). 



The larva- excavate extensive galleries in solid wood of rec«-nlly dead and dying 

 oak, chestnut, bi-aih, elm, cypress, and most other species of <U-ciduous fiun-st treesi. 

 K.viiiiut: Adults, work. 



