THK WKSTKRN I'l N K-I>KS|KnV I X( ; HA 1{K IIKK'I I.K. 



It is |)r.)l)al)|{' tluit Ml lii^licr clcviit ittiis and fiirtlicr iiDrlli the 

 Miiijoritv of the hroods would in>( drxcl.ipiii iiiiich less t Iimii a year's 

 tiino and that at luoi't* south- 

 ern and warmer localities in the 

 Paeifie Coast ret:;ion there would 

 he two complete *^enerations 

 and possihly a partial third. 



Wiien hrsi t I'ansformed. in 

 May and flune, tlic yountj: hee- 

 tles liave very soft, delicate tis- 

 sues. They therefore remain 

 in their pupa cases until their 

 hodies are fully hardened or 

 chitinized. When nearly ready 

 to enier<Te, the adults hore their 

 way almost to the surface of 

 the bark (fi^:. 12, a), hut pause 

 before emertjinti, appearini; to 

 rest in the burrow: they have 

 just made. They do not, how- 

 ever, hollow out the space im- 

 mediately adjoining the pupa 

 ca.se, as is the habit of another 

 species of this genus. When 

 (|uite ready to emerge, the bee- 

 tles continue tluMr burrows out 

 through the remaining portion 

 of the bark. The individuals 

 of a brood do not appear to 

 (Muerge sinudtaneously, but 

 they come forth at irregular in- 

 tervals lint il all are out, l(>avini: 

 thebark thickly punctured w it h 

 small, round, <lean-cut holes, 

 as show 11 in (igiire 1 J. 



.\fter lea\ iiig t he tree or I ret > 

 in which they went through 

 their transfoiniat ions the b<'e- 

 tles ily away to (ind trees in 

 which to deposit eggs. The\ 

 may .select trees close at hand 

 or may Ily (|uite a longdistance behu'c making a sidect ion. They will 

 al.so enter the living bark of iccently h'lled tico. Large numbers of 

 Gi8.iir — i;ull. :)S— 10 a 



K 1,. 11.— 1 III- weMcrii piiii' UcsirciyinK iMirklK-ftlu 

 ' ItrndrorloniiK brcricumu): Pitch lllb^•^< on biirk of 

 iri'c. Hirl?innl.> 



