THE GENUS PISSODES. 33 



Subsection M. 



Elytra with large anterior and posterior spots; sides parallel; beak never longer than 



prothorax Series c3, page 33. 



Elytra with small to moderately large anterior and posterior spots; sides usually slightly 

 narrowed posteriorly; beak sometimes longer than prothorax. 



Series c4, page 33. 

 Series c3. 



Length 4.2 to 5 mm.; brown; pronotum distinctly narrower than elytra, not distinctly 

 shining, and the punctures moderately coarse and dense; posterior spots of elytra 

 without dark border; punctures of striae coarse, distinct. Hoquiam and Pialschie, 

 Wash., in tops of Picea sitchensis. Species index, ^ 61-9 64. 



4. sitchensis n. sp., page 47. 



Length 5 to 5.3 mm.; brown; pronotum not distinctly narrower than elytra, shining, 

 and the punctures coarse; posterior spots of elytra usually with faint dark bor- 

 der; punctures of striae indistinct, especially on lateral area. Smith's Ferry, 

 Idaho, and Pikes Peak, Colo., in tops of Picea engehnanni. Species irftiex, 

 ;^62-968 5. engelm'anni n. sp., page 47. 



Length 4.5 to 6 mm.; brown; pronotum slightly narrower than elytra, moderately 

 shining, and the punctures dense; posterior spot of elytra with or without faint 

 dark border. Eastern United States, in terminals of Pinus strohus, rarely in 

 terminals of Pinus resinosa and terminals of Picea. Species index, ^63-968. 



6. strobi PecTi, page 48. 

 Series c4. 



Posterior brown spots of elytra moderately large; fork of male genitalia very stout. 



Subseries dl, page 33. 

 Posterior brown spots of elytra small; fork of male genitalia long and slender. 



Subseries d2, page 33. 

 Subseries dl. 



Length 4.3 to 6.7 mm.; brown; pronotum not distinctly narrower than elytra, punc- 

 tures moderately coarse; elytral interspace 3 broad, flattened, moderately rugose, 

 and posterior white and yellow spots usually separated, the brown one smaller 

 but not very small as in species 10, and the white one extending over the second 

 interspace. Mountains of North Carolina northward to New Hampshire, and 

 west to Lake Superior region, in Pinus under bark on stumps and logs and trunks 

 of dying trees, and base of saplings. Species index, ^ 65- 9 71. 



7. approximatus n. sp., page 49. 



Length 5.2 to 6.7 mm.; brown; pronotum slightly narrower than elytra, punctures 

 coarse; elytral interspaces 3 and 5 distinctly elevated and rugose, the punctures 

 of striae coarse, and the posterior white and yellow spots fused, not extending over 

 the second interspace. Colorado, in Pinus scopulorum, thick bark on base, 

 Btems, tops, and terminals of saplings. Species index, ,J7I-975. 



8. schwarzi n. sp., page 50. 

 Subseries d2. 



Elytral interspaces 3 and 5 distinctly elevated and broader than 2 and 4; j)ronotal 

 punctures moderately coarse and densely placed Minor series el, page 34. 



Elytral interspaces 3 and 5 but slightly broader than 2 and 4, strongly elevated and 

 acutely rugose; pronotum narrower than elytra, punctures very coarse. 



Minor series e2, page 34. 



