The genus Pectocera Hope, 1842 (Coleoptera, Elateridae, Oxynopterinae) in China, with description of two new species and one new record Author Liu, Zhen Author Jiang, Shi-Hong text Journal of Natural History 2021 2021-06-11 55 3 - 4 247 270 http://dx.doi.org/10.1080/00222933.2021.1900443 journal article 10.1080/00222933.2021.1900443 1464-5262 5472868 Key to the male species of Pectocera Hope from China 1. Elytra without macula............................................................................................................................. 1 – Elytra with marmoreal macula............................................................................................................. 3 2. Elytra with obvious striae, interstriae elevated; body smaller, body length 15 mm .......... ................................................................................................................. P. brevicollis Candèze, 1878 – Striae almost absent on elytra, but some vestige visible near latero-basal parts; body bigger, body length 22.5–25.1 mm ....................... ....................... P. kobayashii Kishii, 1996 3. Aedeagus with parameres reaching a little beyond penis; antenna longer, exceeding apex of hind angle of pronotum by four antennomeres P. sechuana Schimmel, 2003 – Aedeagus with penis reaching beyond parameres..................................................................... 4 4. Hind angle of pronotum with vestige carina and basal groove aside..................................... .................................................................................................................... P. kucerai Schimmel, 2006 – Hind angle without any carina and basal groove aside........................................................... 5 5. Body big, body length 32 mm ; each lateral area on pronotum provided with two depressions, one well marked and situated at one-third from the anterior margin, and the other weaker and situated at one-fourth from the hind margin............................. ................................................................................................................. P. yaeyamana Suzuki, 1976 – Body smaller, body length less than 30 mm ; no depression on pronotum as above.. 6 6. Male antenna shorter, not reaching middle part of elytra....................................................... 7 – Male antenna longer, reaching or beyond middle part of elytra....................................... 11 7. Sternite VII truncate at apex................................................................................................................. 8 – Sternite VII more or less round at apex............................................................................................ 9 8. Scutellum straight anteriorly; body brown; pronotum with a broad medio-longitudinal depression.............................................. .............................................. P. formosanna Kishii, 1990 – Scutellum strongly emarginate anteriorly; body reddish brown; pronotum without medio-longitudinal depression...................................... P. truncata Liu and Jiang sp. nov . 9. Body smaller, male length 24.3 mm ; body dark brown-black; pronotum with a broad and deep medial furrow....................... ....................... P. attenuator Liu and Jiang sp. nov . – Body bigger, male length 27.2–27.8 mm ; body reddish brown; pronotum without furrow or with a narrow sulcus medially...................................................................................... 10 10. Widest part of body at humeral angle; pronotum trapezoid shape, strongly narrowed anteriorly.......................................................................................... P. fleutiauxi Schimmel, 1997 – Widest part of body at apical third of elytra; pronotum square shape, indistinctly narrowed anteriorly........................................... ........................................... P. babai Kishii, 1990 11. Flabellum of 3rd antennomere about 3 times longer than itself..................................... 12 – Flabellum of 3rd antennomere 5.0–6.0 times longer than itself....................................... 13 12. Apical antennomere with a distinct attenuation; striate on elytra more obvious; pronotum strongly sinuous on anterior edge....... ....... P. tonkinensis Fleutiaux, 1918 – Apical antennomere without attenuation; striate on elytra less obvious; pronotum straight on anterior edge.......................................................................... P. cantori Hope, 1842 13. Lateral margins of pronotum curved outwards, hind angle medianly divergent; lateral margin of apico-lateral expansion of paramere straight.............................................................. ................................................................................................... P. jiangxiana Kishii et Jiang, 1994 – Lateral margins of pronotum not curved outwards, hind angle strongly divergent; lateral margin of apico-lateral expansion of paramere more or less curved or sinuate............................................................................................................................................................... 14 14. Labrum simply projected medianly; medio-longitudinal canaliculation on frons indistinct and shallower............................................................................................ P. fortune ( Candeze, 1873 ) – Labrum with anterior crenation conspicuous; medio-longitudinal canaliculation on frons more distinct and deeper.................................................................. P. hige Kishii, 1993