Necrophilus chinensis

Zhou, Hong-Zhang, Yu, Xiao-Dong & Luo, Tian-Hong, 2005, Discovery of the Subfamily Necrophilinae (Coleoptera: Agyrtidae) in China and Description of a New Species of Necrophilus Latreille, The Coleopterists Bulletin 59 (1), pp. 62-69 : 67-68

Key to the Species of Necrophilus Latreille

The key to species is a new version and is compiled based on Schawaller (1986).

1 Antennal segment 1–5 glabrous, segment 6–11 covered with pubescence, but coverage on 6th much less dense than succeeding ones - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2

– Antennal segment 1–6 glabrous, segment 7–11 covered with pubescence - - - - - - - - 5

2 Pronotum strongly transverse, anterior margin weakly emarginate, antennae clavate from 6th, not so abruptly dilated from 7th, body length 9mm. Japan - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - N. nomurai ( Shibata 1969)

– Pronotum less transverse, anterior margin strongly emarginate, antennae slender, gradually dilated to apex, no abrupt club, body length 11–15 mm - - - - - - - - - - - - - - - - - - 3

3 Pronotum hind angles rounded, disc not punctured, elytral epipleura microsculptured, without large punctures. Bhutan - - - - - - - - - - - N. roderi ( Schawaller 1978)

– Pronotum hind angles obvious, not so rounded as former, disc evidently punctured, elytral epipleura with many irregularly scattered punctures in addition to microsculpture - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4

4 Without hind wings, epistomal suture deeper in the middle, clypeus with 3–4 hairs in the middle of each side. Nepal - - - - - - - - - - - - - - - - - - - - - N. rupinensis Schawaller, 1986

– Always with a pair of hind wing, though reduced, epistomal suture equally deep throughout, not deeper in the middle, clypeus never with more than two hairs each side of middle, China - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - N. chinensis Zhou , new species

5 Pronotum strongly transverse, anterior margin weakly emarginate, elytral striae

68 deeper, but strial punctures not isolated. Western North America - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - N. hydrophiloides Guérin-Méneville, 1835

– Pronotum not as transverse as former, anterior margin obvously emarginate, elytral striae with isolated punctures - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6

6 Pronotum disc not punctured, elytral intervals equally flat, hind tibiae curved inward in males and with coarse granules on inner sides. Central Europe - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - N. subterraneus ( Dahl 1807)

– Pronotum disc sparsely but obviously punctured, elytral intervals 1, 3, 5, 7 (from inside) elevated, hind tibiae straight in males and smooth on inner sides. Eastern North America - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - N. pettitii Horn, 1880