44 MISCELLANEOUS^ FOREST INSECTS. 



Subdivision A. 



(Species Nos. 1 to Ifi.) 



Adults. — Elytra always with a distinct spot of densely placed scales 

 on the anterior lateral area, and always with a spot or band of scales 

 near the vertex of the declivity. 



Sexes. — Beak of both sexes usually shorter than the prothorax, 

 rarely longer. 



Pupse. — Eyes with one or more minute spines on the posterior 

 margin. 



Larvse. — The subdivisional characters of the larva have not been 

 recognized. 



SECTION al. 

 (Species Nos. 1 to 14.) 



Adults. — Elytra with distinct spots (instead of a continuous band) 

 near the vertex of the declivity. 



Sexes. — Apical margin of the seventh abdominal sternite of the 

 male not sinuate, or rarely so. 



Pupse. — Abdominal tergites with small scutellar spines, alter- 

 nating with larger ones. 



Larvse. — Median tooth of mandible emarginate. 



Host trees. — Abies, Picea, Pinus, and Cedrus. 



Distribution. — Eastern and western United States, from the Gulf 

 States and Mexico into Canada and British Columbia. 



Subsection bl. 



(Species Nos. 1 to 3.) 



Adults. — Beak moderately stout, shorter than the prothorax; basal 

 angles of pronotum subobtuse; third and fifth elytral interspaces 

 strongly elevated and rugose. In species 1 and 2 the anterior spots 

 on the elytra are distinct, the posterior ones are very large, and the 

 pronotum is distinctly narrower than the elytra, while in species 3 

 the anterior and posterior spots are indistinct and the pronotum is 

 not distinctly narrower than the elytra. 



Sexes. — Apical margin of seventh abdominal sternite of male not 

 emarginate. 



Host trees. — Abies, so far as observed. 



Distribution. — Species 1, North Carolina; species 2, British Colum- 

 bia; species 3, California into Washington. 



1. Pissodes similis n. np. 

 (Plate III, fij,'. 1.) 



The type specimen is labeled "Type No. 7424, U.S.N.M.;" name; 

 "type of drawing; Black Mts., N. C, VI. 27-30; $ ." It was 

 collected by Dr. William BeutenmuUer in the spruce forest on 



