Southern Tomicus, T o m i c u s cacographus Lcc. 



1 Early operations in hard pine 



2 Same, in a more advanced staoe 



3 Thick bark badly eaten by this species 



Coarse writing bark beetle, Tomicus c a II i l;' r a p li u s Germ. 



and 

 Ribbed pine borer, R h a t; i u m 1 i n e a t u m Oliv. 



4 Work under white pine bark, the characteristic [)Upal cells showing 



very well 



780 



