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



1 Early operations in hard pine 



2 Same, in a more advanced stage 



3 Thick bark badly eaten by this species 



Coarse writing bark beetle, Tomicus calligraphus Germ. 



and 



Ribbed pine borer, Rhagium lineatum Oliv. 



4 Work under white pine bark, the characteristic pupal cells showing 



very well 



780 



