39 



INJURING THE WOOD. 



THE FLAT-HEADED BORERS. FAMILY BUPRESTIDiE. 



PART OE CASE 40. 



236. Tlie Turpentine Borer (Buprestis apricans Hbst.). 



The larvae bore into the solid resinous heartwood of long-leafed pine after "box- 

 ing" by turpentine workers, so weakening the trunk as to cause it to break and 

 spoiling portions of it for lumber. 



Exhibit: Adult, work. 



237. The Golden Buprestis (Buprestis aurulenta Linn.) . 



Larvae bore into trunks of dead pine, spruce, fir, and other conifers. 

 Exhibit: Adults. 



238. The Heart-wood Pine Borer (ChakophoramrginiensisT>ru.). 



Larvae bore into trunks of dead pine and spruce and into heartwood of living trees. 

 Exhibit: Adults, work. 



WALL CASE. 



23S. The Cypress Sapwood Borer (Acmxodera pulcliella Hbst.). 

 Larvae mine the sapwood of girdled cypress several years after death. 

 Exhibit: Work. Cypress board showing injury to the sapwood (large case). 



THE TIMBER BEETLES. FAMILY SCOLYTIDiE. 



PAET OE CASE 41. 



240. The Hickory Timber-Beetle (Xyleborus celsus Eich.). 



The adults excavate long branching galleries in dying trees and logs of hickory. 

 Exhibit: Adults, work. 



TV^AJLIL CASE. 



241. The Pan-American Platypus (Platypus compositus Say). 



The adults bore into the sapwood and sometimes into the heartwood of dying 

 hardwoods and coniferous trees of numerous species. 



Exhibit: Work. Boards from girdled cypress showing pin-hole defects caused by 

 the galleries. 



THE POWDER-POST BEETLES. FAMILY PTINLD^. 

 PAET OE CASE 41. 



242. The Red-Shouldered Ptinid Borer (Sinoxylon basilare Say). 



Adult bores short curved galleries in branches of dead hickory, persimmon, and 

 most other deciduous trees; the larvae bore the solid wood. 

 Exhibit: Adults, work. 



243. Powder-Post Beetles (Genus Lyctus). 



Exhibit: Work, sections of seasoned ash and hickory showing characteristic 

 injury by the beetles and larvae. (Large case. ) 



THE TIMBER WORMS. FAMILIES BRENTHID-ffi AND LYMEXYL- 



IDiE. 



PART OE CASE 41. 



244. The Northern Brenthis (Eupsalis minuta Dru.). 



The larvae excavate extensive galleries in solid wood of recently dead and dying 

 oak, chestnut, beach, elm, cypress, and most other species of deciduous forest trees. 

 Exhibit: Adults, work. 



