34 



THE TWIG WEEVILS. FAMILY CURCTJLIONIDiE. 



176. The Western Spruce Weevil {Fmodcs sp. ). 



Attac-ksaiid kill.s the' terminal shoots of Sitka Hpruce, cauyiiii^' dcfoniuMl trees. 

 Northwestern states. 



Exhibit: Adults, larvte, work. 



177. The White-Pine Weevil {Pwsodesstrobi Peck.). 



Attacks and kills the terminal shoots of white pine, spruce, and deodar, causing 

 serious deformity to the tree; also breeds in the bark of the lower portions of the 

 trunk of pines and spruce, hastening the death of injured trees. Eastern States. 



Exhibit: Adults, "work. Sections of young white pine showing nature of injury to 

 terminal shoots. (Large case. ) 



ROUND-HEADED BORERS. FAMILY CERAMBYCIDiE. 



178. The Oak Pruner {Elujihidion. vi/loxiuii Fab.). 



The iarv;e bore in twigs of living oak, hickory, etc., causing them to break and fall. 

 I'Lvhibit: Adults, work. 



179. The Hickory Twig Girdler {Oaddcres chi(jul(Ua ^ay). 



The adult girdles the twigs of oak, hickory, persimmon, and other trees, some- 

 times so extensively as to cause serious injury. 

 Exhibit: Adults, work, figure. 



INJURING THE INNER BARK AND SAIMVOOD. 



THE BARK WEEVILS. FAMILY CURCULIONID^. 

 C.A.SE; 33. 



180. The Cypress 'Wee'vii {Eiidoclmiis viannerJicimilJioh.). 



The adults feed on the bark of bald-cypress twigs, causing their death, and the 

 larv.'e mine the inner bark of injured and recently felled trees. Southern States. 

 Exhibit: Adult, larva, work. 



181. The Vales Wee^ril {Hyi(ih!>(.'< pahs BhsL). 



Tlie larv.r Ijore into tlie inner bark of stumps and roots of recently felled, dying, 

 and injured pine. Eastern States. 

 Exhibit: Adults. 



182. The Pitch-Eating Weevil {Fachylobius 2)kivorus Germ.). 

 Has liabits similar to the pales weevil. Eastern States. 

 Exhibit: Adults. 



183. The Walnut Weevil ( (_'ri/plorJi>iiir}iiis jxinwJinx IJhst.). 



The larvic mine the inner bark and sajjwood of weakened and recently dead 

 walmit. 



Exhibit: Adults, work. 



184. The Fir Weevil {Pissodes duhius Rand.). 



The larvie mine the inner bark of balsam fir, hastening the death of injured trees. 

 Nortlieastern States. 

 Exhibit: Adults, larvic, work. 



