NEW AMERICAN SCOLYTOID BEETLES— BLACKMAN 399 



as long as club ; funicle very slightly shorter, 6-segmentecl, with dis~ 

 tal segment much wider than others; club 1.44 times as long as wide, 

 widest through second segment ; first two sutures incompletely septate, 

 very strongly annulately constricted, and further marked by rather 

 long, conspicuous hairs, third suture marked by setae. 



Pronotum 1.18 times as wide as long, widest near base, ^Dosterior 

 angles somewhat rounded, posterior outline bisinuate as in Phloeo- 

 sinus spp., sides feebly, convergently arcuate on posterior half, dis- 

 tinctly constricted in front of middle, very broadly rounded in front ; 

 surface piceous brown, shining, impressed across dorsum behind an- 

 terior margin, deeply, rather closely, moderately finely punctured on 

 most of disk, more finely and densely in front, finely subgranulate- 

 punctate at sides, median line not elevated, punctured as on rest of 

 disk ; vestiture of hairs of moderate size. 



Elytra wider than pronotum and 1.86 times as long, 1.43 times as 

 long as wide; anterior margins arcuate, elevated and serrate as in 

 Phloeosinus spp.; sides subparallel on anterior two-thirds, broadly 

 rounded behind; surface subshining, piceous brown; striae slightly 

 impressed, punctures close, moderate in size; interspaces wider than 

 striae, rugulose, feebly granulate, with many fine punctures and rather 

 numerous, rather small hairs, granules reduced posteriorly. Declivity 

 sloping, first and third interspaces elevated, finely punctured, not 

 granulate, first stria impressed, distinctly punctured, second stria not 

 impressed, punctures smaller than on disk; intervening second inter- 

 space flat, finely punctured; all of interspaces with numerous rather 

 small hairs. 



Male. — Slightly stouter than female but similar in general habitus; 

 frons (fig. 44) more coarsely sculptured, distinctly but not strongly 

 concave between eyes; elytral declivity with first interspace more 

 weakly elevated than in female, third interspace more strongly ele- 

 vated and with several tubercles, the two most posterior ones tooth- 

 like, with their apices sharp. 



Type locality. — Huachuca Mountains, Ariz. 



Host. — Unknown. 



Type tnaterial. — Holotype, allotype, and 3 paratypes, U.S.N.M. No. 

 56575. 



The type series, consisting of 4 females and 1 male, was collected 

 in Miller Canyon, Huachuca Mountains, Ariz., August 27, 1907, by 

 H. A. Kaeber. 



U. S. GOVERNMENT PRINTING OFFICE: 1943 



