Eleodes corvinus Blaisdell, 1921

Triplehorn, Charles A. & Thomas, Donald B., 2015, A Revision of Eleodes Subgenus Litheleodes Blaisdell (Coleoptera: Tenebrionidae), The Coleopterists Bulletin (mo 14) 69, pp. 11-21 : 16

Eleodes corvinus Blaisdell, 1921

( Figs. 8–9 , Map 3 )

Eleodes corvina Blaisdell 1921a: 224 .

Eleodes granulata corvina Blaisdell 1921b: 132 . Eleodes (Litheleodes) corvina: Gebien 1938: 54 . Eleodes corvina: Blaidell 1942: 143 .

Diagnosis. Pronotum subquadrate, sides arcuate, converging toward base and apex, widest at or slightly forward of middle; surface coarsely punctate. Posterior process of prosternum angular, closer to base than apex. Elytra coarsely sculptured, shiny, with tubercles coalescing to form transverse rugae. Profemur subdentate in the male. Females with ental protibial spur much longer and stouter than ectal. Plantar groove of probasitarsomere uninterrupted; pencil of setae at apex obsolescent.

Measurements. Males: length 15.2–17.4 mm; width 6.5–6.7 mm. Females: length 15.3–16.0 mm; width 6.7–7.4 mm.

Types. Holotype, male ( CASC NO. 2833) and allotype, female ( CASC No. 2832): Siskiyou County California, Dry Lake, Klamath National Forest , September 17, 1912, Ralph Hopping, collector.

Material Examined. USA: California: Kern Co., Mt. Pinos, June 19, 1960, R. L. Westcott (Westcott personal collection) [1]; Siskiyou County , Grass Lake Summit, VI-16-1981, T. R. Haig ( R. L. Aalbu collection) [1]; Siskiyou Co. Dry Lake , 30-VIII-87, T. R. Haig (2) ; Oregon: Imnaha River , K. E. Gibson (University of Idaho Collection) [2].

Distribution. Central California to southern Oregon ( Map 3 ).

Remarks. Most of the specimens seen were from the type locality. Collections were made from June to September. Boddy (1965) reported it as “not common” in southwestern Oregon.

Figures

Figs. 5–10. Litheleodes species, dorsal habitus. 5) E. asperus ♀; 6) E. arcuatus ♂; 7) E. arcuatus ♀; 8) E. corvinus

Maps 1–5. Distributional records for Eleodes species. 1) E. arcuatus; 2) E. asperus and E. granulatus; 3) E. corvinus, E. hirtipennis, and E. subtuberculatus; 4) E. extricatus; 5) E. letcheri and E. papillosus.