Bui. 48, Div. of Entomology, U. S. Dept. of Agriculture. 



Plate II. 



Fig. 1.— Work of the Lawson's Cypress Bark-beetle in Twigs of Living Trees. 



a, Burrow-s at biuse of twig; b, b, wounds oovenci witli uuiii; c, deformeii twig; rf, wound where 



twig has died and fallen 



FiQ. 2.— The Lawson's Cypress Bark- 



BEETLE: ADULTS, MALE AND FEMALE. 



FiQ. 3.— The Redwood Bark-beetle 

 (Phlceosinus SEQUOI/E Hopk.): 

 Adult, Enlarged. 



(From Hul. is, Hureiui of Forestry, U. S. Dt'j)t. of Agriiultiire. ) 



