no. 3649 LEPTOFERONIA — HACKER 13 



Holotypes. — Pterostichus pumilus Casey, male, USNM!; P. longi- 

 collis LeConte, female, MCZ!; Micromaeseus longicollis Casey, male, 

 not seen; Feroniens oregona Chaudoir, female, apparently lost (fide 

 Lindroth, 1966, p. 471). 



Type-localities. — Pterostichus pumilus, Clackamas County, Oreg.; 

 P. longicollis LeConte, "Oregon," which includes the present states 

 of Oregon and Washington; Micromaesus longicollis Casey, Seattle, 

 Wash.; Feroniens oregona Chaudoir, presumably Oregon. 



Specimens examined. — 397. 



Distribution (fig. 33 for part). — The typical subspecies, pumilus 

 pumilus sensu stricto, occurs at least as far north as the city of Van- 

 couver and southwestern Vancouver Island in British Columbia. It 

 has been collected as far south as Green Peter Mountain, Linn County, 

 in the Oregon Cascades, and Buell, Polk County, in the Oregon 

 Coast Range. It occurs from sea level to 4000 feet elevation. 



Remarks. — Casey intentionally changed the spelling of pumilis to 

 pumilus. He described the type of pumilus as having an unusually 

 small labrum. This is probably because it is pushed back beneath the 

 clypeus. Specimens I have seen differ from his description on several 

 other points, such as: color piceous, not "deep black"; humeral 

 denticle not "wholly obsolete"; elytral striae not "punctate." The 

 female in MCZ assumed to be the holotype of LeConte's longicollis 

 has many distinct punctures on the mesepisternum. This is the most 

 reliable characteristic I know to distinguish females of pumilus pumilus 

 from those of the southern form of infernalis. The microsculpture of 

 pumilus is slightly stronger than in infernalis and weaker than in 

 inopinus. The frontal impressions of pumilus form an angle of about 

 45° rather than the wider angle found in inopinus, jenyesi, and 

 cochlearis. 



3. Peterostichus (Leptoferonia) pumilus willamettensis, new subspecies 



Figures 3, 27, 33, 40 



Holotype male. — Same as description of pumilus plus the following. 



Pronotum. — Sides only slightly sinuate near posterior setiferous. 

 punctures, then oblique and converging before subrectangular hind 

 angles; posterior pair of setiferous punctures somewhat farther 

 forward than in typical subspecies. 



Elytron. — Humeral tooth small, not acute. 



Ventral surface. — Punctures on mesepisternum less numerous 

 than in pumilus pumilus sensu stricto. 



Aedeagus (fig. 3). — Right paramere with basal lobe evenly rounded; 

 distal portion longer and narrower in middle than in typical sub- 

 species. Median lobe with tooth on ventral surface broad, thick, 

 blunt, sub truncate; small lobe present on right side near tooth. 



