Synonyms and other taxonomic changes
subgenera arrangement proposed in
(1) is not followed here; see
(2)Numbers
16 spp. in 4 subgenera in our area (26 spp. in the New World, 25 in Eurasia)
(3) as follows:
(4)
subg. Prionus Geoffroy; 12‒13 antennomeres, generally distributed
P. californicus Motschulsky (♂ 24‒45 mm, ♀ 38‒55 mm) w.NA
P. heroicus Semenov (♂ 27‒51 mm, ♀ 35‒50 mm) sw.US (AZ‒NM)
P. laticollis (Drury) (♂ 22‒32 mm, ♀ 31‒44 mm) e.NA
P. lecontei Lameere (♂ 30‒45 mm, ♀ 52‒60 mm) w.NA
P. pocularis Dalman in Schoenherr (♂ 25‒38 mm, ♀ 28‒45 mm) e.NA
subg. Homaesthesis LeConte; 12‒14 antennomeres, dull, not striolate, central and western US
P. arenarius Hovore (♂ 17‒33 mm, ♀ 20‒24 mm) sw.US (TX‒NM)
P. emarginatus Say (♂ 17‒22 mm, ♀ 22-25 mm) c.US (WY‒NM)
P. geminus Santos-Silva, Nearns & Swift 2016 (size TBA) ID‒AZ to CO‒TX
P. integer LeConte (♂ 24‒25 mm, ♀ 20‒22 mm) KS‒e.OR‒NM
P. linsleyi Hovore (♂ 16 mm, ♀ 20 mm) sw.US (AZ)
P. palparis Say (♂ 24‒37 mm, ♀ 35‒40 mm) sc. US (NE‒OK to CO‒AZ)
P. simplex (Casey) (♂ 22-25mm, ♀ ?mm) c.US (NE‒KS to WY‒UT‒AZ) =P. rhodocerus Linsley
P. spinipennis Hovore & Turnbow (♂ 20‒32 mm, ♀ 29‒30 mm) sw.US (NM‒TX)
subg. Neopolyarthron Semenov; 15‒20 antennomeres
P. cuneatus Casey (TBA)
P. debilis Casey (♂ 20‒28 mm, ♀ 34‒36 mm) c.US (IL‒IA to LA‒TX)
P. imbricornis (Linnaeus) (♂ 24‒39 mm, ♀ 32‒50 mm) e.US‒TX
subg. Antennalia Casey; 25‒30 antennomeres
P. fissicornis Haldeman (♂ 27‒36 mm, ♀ 32‒40 mm) c.US (MT‒TX)
Identification
Sexual dimorphism obvious. ≥12 antennomeres; distinctly poriferous in males, less in females:
Range
primarily holarctic; in NA, s.Canada to Mexico + 1 sp. in the Dominican Rep.
(3)