Platyceroides Benesh
Creators: name: Paulsen, M. J.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Lucanidae
Platyceroides

description: Key to known Females of Platyceroides Benesh
Females of P. viriditinctus (Benesh) are unknown.
1. Mesotibiae and metatibiae robust (see Fig. 17)......................................... Platyceroides keeni (Casey)
- Mesotibiae and metatibiae long and narrow (see Fig. 18)..................................................... 2
2. Head wider across genae than across eyes, anterior margin of head distinctly emarginate (see Fig. 19)... P. laticollis (Casey)
- Head as wide across genae as across eyes, or narrower across genae; anterior margin of head weakly emarginate, almost trun- cate (see Fig. 20)..................................................................................... 3
3. Clypeus thickened, tumid anteriorly, strongly declivous before labrum, as in Fig. 21 ...................... P. latus (Fall)
- Clypeus normal, not raised medially, descending to labrum, as in Fig. 22........................................ 4
4. Elytra with microsculpture causing surface to appear dull or opaque............................................ 5
- Elytra glossy and polished, surface lacking microsculpture.................................................. 10
5. Elytra with weakly to strongly impressed, punctate striae..................................................... 6
- Elytra lacking impressed, punctate striae (irregular, impunctate longitudinal furrows appearing false striae may be present)..................................................................................................... 9
6. Elytral striae at most weakly impressed on disc, obsolete laterally; northern Sierra Nevadas, California ................. 7
- Striae distinctly impressed; coastal mountains.............................................................. 8
7. Pronotum strongly shagreened.............................................................. P. potax Paulsen
- Pronotum glossy, lacking microsculpture.......................................... P. barrae, Paulsen, new species
8. Antennal club longer than funicle................................................ P. infernus Paulsen, new species
- Antennal club shorter than funicle........................................... P. pampinatus Paulsen, new species
9. Antennal club small, shorter than funicle; Klamath Mountains, Oregon ........................... P. marshalli Paulsen
- Antennal club larger, longer than funicle; Sierra Nevadas, California................................ P. opacus (Fall)
10. Color light reddish brown with green reflection; Washington south to northern Oregon ............. P. aeneus (Van Dyke)
- Color usually darker, if reddish brown (teneral) then lacking green reflection; south of northern Oregon................ 11
11. Elytral form short, widest at apical third...................................................................12
- Elytral form elongate, elytra more or less parallel-sided, widest at apical fourth.................................. 13
12. Antennal club small, compact and distinctly shorter than funicle................................ P. agassii (LeConte)
- Antennal club distinctly larger, as long as funicle............................................. P. pacificus (Casey)
13. Known only from Humboldt County, California........................................... P. californicus (Casey)
- Not found in Humboldt County, California............................................................... 14
14. Antennal club largely pubescent; San Francisco Bay area north to Sonoma County, California ........ P. thoracicus (Casey)
- Antennal club with proximal two antennomeres mostly glabrous; southwestern Oregon .... P. umpquus Paulsen, new species
description: Published as part of Paulsen, M. J., 2017, Correction of existing generic and species concepts in Platyceroidini (Coleoptera: Lucanidae: Lucaninae) and the description of four new species of Platyceroides Benesh, pp. 346-378 in Zootaxa 4269 (3) on pages 373-374, DOI: 10.11646/zootaxa.4269.3.2, http://zenodo.org/record/582450