Nebria (Epinebriola), K. DANIEL, 1904

Huber, Charles & Schmidt, Joachim, 2017, Notes on the Nebria subgenus Epinebriola K. DANIEL, 1904 with the description of Barbonebriola subgen. nov. and 13 new species from the Himalaya-Tibet orogen (Coleoptera, Carabidae, Nebriini), Contributions to Natural History 36, pp. 1-85 : 79-83

Key to species of subgenus Epinebriola

1 Humeral carina present. Basal margin of elytra regularly merged with lateral margin without forming an angle craniad. Basal margin not directed backwards towards scutellum. ................................................................ 2

– Humeral carina absent. Basal margin of elytra obtusely merged with lateral margination, forming an angle craniad, bent backwards towards scutellum, and forms a humeral incision towards scutellum. India: Arunachal Pradesh, pass Sela. .................................................. N. incarinata sp. nov.

2 Lateral margin of pronotum with three setae or more. ............................ 3

– Lateral margin of pronotum unisetose (or rarely with two setae in N. laevistriata and asymmetrically bisetose in N. tuberculata sp. nov.). ............. 8

3 2 nd abdominal sternum medially polysetose with 6–8 setae. ................. 4

– 2 nd abdominal sternum medially asetose (or rarely unisetose in N. triseriata sp. nov.). ............................................................................................ 5

4 Elytral striae on disc deep, distinctly punctate. Pronotum slender. Lateral margin of the pronotum with 2–3 (rarely four) setae. Eastern Central Nepal: Rolwaling valley. .............................. N. molendai HUBER & SCHMIDT, 2007

– Elytral striae on disc faint, striae with barely perceptibly punctate. Pronotum transverse. Lateral margin of pronotum with 3–5 (rarely two) setae. Eastern Central Nepal: Shorong Himal. ................... N. numburica sp. nov.

5 3 rd, 5 th and 7 th interval of elytra with several setiferous pores. Head supraorbitally usually unisetose. ..................................................................... 6

– Only 3 rd interval of elytra with setiferous pores, 5 th and 7 th interval asetose and free of pores. Head supraorbitally with 2–3 setae. ................... 7

6 Penultimate labial palpomere bisetose. Pronotum slender, faintly rounded to anterior angles which are arcuate, faintly rounded to posterior angles. Striae of elytra shallow, obliterate laterally and apically. East Nepal: Lumba Sumba Himal, Jaljale Himal. .............. N. martensi HUBER & SCHMIDT, 2012

– Penultimate labial palpomere trisetose. Pronotum transverse, widely rounded to anterior angles which are wide, distinctly rounded to posterior angles with a concave incision just in front of posterior angles. Striae of elytra distinct on disc, faintly punctate, obliterate towards apex at apical fifth. Western Central Nepal: Annapurna South Himal. ................................................................................ N. triseriata sp. nov.

7 Small, body length 11.4 mm in female. Basal margin of pronotum moderately notched. Elytra slender. Sikkim. ................ N. rasa ANDREWES, 1936

– Larger, body length 11.5 mm in male, 12.2 mm (11.9–12.6 mm) in female. Elytra wide. East Nepal. .......................... N. schawalleri SHILENKOV, 1998

8 Pronotum with posterior angles obtuse, rounded or bevelled, neither rectangular nor posteriorly pointed. ...................................................... 9

– Pronotum with acute posterior angles. ................................................ 12

9 Pronotum with posterior angles bevelled at a 45° angle. Pakistan: Chitral valley, Tangir valley. .................. N. chitralensis SHILENKOV & HEINZ, 1988

– Pronotum with posterior angles obtuse or rounded. ............................. 10

10 Large species of 14–16 mm. Pronotum cordate, base distinctly narrower than anterior margin. Posterior angles of pronotum obtuse. Striae of elytra faint, slightly punctate or even impunctate. China, Yunnan: Hengduan Shan. .................................................. N. laevistriata LEDOUx & ROUx, 1998

– Small species of 10–13 mm. Pronotum slender, base only slightly narrower than anterior margin. Posterior angles of pronotum largely rounded. Striae of elytra distinct, punctate. .................................................................... 11

11 Pronotum with posterior angles obtusely rounded, eyes faintly protruding. Pakistan: Nanga Parbat. .............................. N. rotundicollis rotundicollis HEINZ & LEDOUx, 1989

– Pronotum with posterior angles more accentuated, eyes protruding. Pakistan: Rama valley north of Gilgit. ................................. N. rotundicollis ssp. tenuis HEINZ & LEDOUx, 1989

12 Basolateral seta of pronotum absent. ................................................... 13

– Basolateral seta of pronotum present. .................................................. 19

13 Anterior margin of labrum with eight setae. India, Uttarakhand: Pindar Valley. .......................................................... N. pindarica ANDREWES 1925

– Anterior margin of labrum with six setae. .............................................. 14

14 Penultimate labial palpomere trisetose. ................................................ 15

– Penultimate labial palpomere bisetose. India, Himachal Pradesh: Rohtang Pass. ...................................................................... N. poplii LEDOUx, 1984

15 Scutellar seta present. .......................................................................... 16

– Scutellar seta absent. ............................................................................ 17

16 Striae of elytra faint, impunctate. Posterior angles distinctly projecting. Central Nepal: Ganesh Himal. .................................. N. impunctata sp. nov.

– Striae of elytra distinct, punctate. Posterior angles not or only slightly projecting. Western Central Nepal: Manaslu Himal. .. N. montisanimae sp. nov.

17 Antennal scape stout, globular. Afghanistan: Hindu Kush. .................................................................. N. kabakovi SHILENKOV, 1982

– Antennal scape long, subcylindrical. ..................................................... 18

18 Lateral margin of pronotum rectilinear to the posterior angle. Pronotum at base 0.9 times the distance between the anterior angles. Eyes less prominent. Metacoxa basally unisetose. Afghanistan, Nuristan: Kunar Valley. .................................................................. N. nouristanensis LEDOUx, 1985

– Lateral margin of pronotum distinctly convexly sinuate in front of posterior angle. Pronotum at base narrow, 0.8 times the distance between the anterior angles. Eyes very prominent. Metacoxa basally trisetose. China, Tibet: Central Transhimalaya near Nyingchi. ................................................. N. businskyorum LEDOUx & ROUx, 1997

19 Apex of elytra acuminate. ...................................................................... 20

– Apex of elytra not acuminate, rounded or blunt. ................................... 21

20 Lateral margin of elytra rounded, shoulders pronounced. Basal margin of elytra angularly joined with lateral margin. China, Xinjiang: Western Kunlun Shan. ............................................ N. oxyptera oxyptera K. DANIEL, 1904

– Lateral margin of elytra rectilinear, shoulders more rounded. Basal margin of elytra evenly joined with lateral margin. China, Xinjiang: Western Kunlun Shan. ............................. N. oxyptera ssp. alzonai DEUVE & LEDOUx, 1989

21 Anterior margin of labrum with eight setae. Small and slender species, 9 mm. Lateral margin of pronotum only weakly concave. China, Tibet: Central Transhimalaya south of Lhasa. ........................ N. delicata sp. nov.

– Anterior margin of labrum with six setae. .............................................. 22

22 Metacoxa basally polysetose with 2–5 setae. ....................................... 23

– Metacoxa basally unisetose. ................................................................. 27

23 Head supraorbitally bisetose. China, Tibet: Eastern Transhimalaya north of Zayul, pass Ata Kang La. ............................. N. zayula ANDREWES, 1936

– Head supraorbitally unisetose. ............................................................. 24

24 Scutellar seta present. Eastern Central Nepal: Rolwaling Himal. ..................................................... N. christinae HUBER & SCHMIDT, 2007

– Scutellar seta absent. ............................................................................ 25

25 Eyes large, protruding, temples long. Pronotum slender, slightly rounded to anterior angles. Lateral groove of pronotum narrow. Shoulders slender, hanging. Distal gonocoxite 2 slender and very long, dagger-like. China, Tibet: Central Transhimalaya south of Reting. ........ N. retingensis sp. nov.

– Eyes normal, temples short. Pronotum transverse. Distal gonocoxite 2 short, elongate-triangular. .................................................................... 26

26 Antennomere 4 apically with short setae in addition to the apical collar of long setae. Posterior angle of pronotum not tubercularly acuminate. Lateral margin flatish rounded to anterior angle. Lateral groove of pronotum narrow. Striae distinct on disc, faintly punctate. Mesotarsomere 5 shorter or as long as mesotarsomeres 3+4. Distal gonocoxite elongate-triangular, slightly narrowed near base. Western Central Nepal: Manaslu Himal. ..................................................................................... N. rupina sp. nov.

– Antennomere 4 apically without short setae in addition to the apical collar of long setae. Posterior angle of pronotum tubercularly acuminate. Lateral margin widely rounded to anterior angle. Lateral groove of pronotum wider. Striae distinct on disc, coarsely and tightly punctate. Mesotarsomere 5 longer than mesotarsomeres 3+4. Distal gonocoxite evenly elongate-triangular, wide at base. Central Nepal: Helambu Massiv. ............................................................................. N. tuberculata sp. nov.

27 Lateral margin towards posterior angle blade-like, obliquely upturned. ... 28

– Lateral margin towards posterior angle not blade-like upturned. ............ 29

28 Pronotum faintly narrowed to anterior angles; ratio of pronotum maximal width/pronotum apical width = 1.31. Ratio of frons width/scape length = 2.1. Eastern Sikkim: Jalep Pass. ................ N. orestias ANDREWES, 1932

– Pronotum distinctly and widely rounded to anterior angles; ratio of pronotum maximal width/pronotum apical width>1.35. Ratio of frons width/ scape length> 2.2. East Nepal: Lumba Sumba Himal, Kangchenjunga Himal. ........................................................................ N. pseudorestias sp. nov.

29 Pronotum transverse, ratio width/length> 1,3. .................................... 30

– Pronotum slender, ratio width/length <1.3. ......................................... 32

30 Antennal scape thick, less elongate. Eyes prominent. Ligula broadly based, short. Lateral margin straight towards posterior angle, with only a subtle sinuation in front of the angle. .............................................................. 31

– Antennal scape long, slender. Eyes less prominent. Ligula long and spiny. Lateral margin regularly rounded to posterior angle with a long and distinct concave sinuation in front of the angle. Afghanistan, Kunar: Upper Ourlah Valley. ............................................. N. meurguesae LEDOUx, 1985

31 Antennomere 3 basally faintly compressed. Elytra with distinct shoulders. Protarsomeres 1–3 ventrally with adhesive pads in males. India, Jammu & Kashmir: Northern Kashmir. ........... N. masrina masrina ANDREWES, 1924

– Antennomere 3 basally not compressed. Elytra with hanging shoulders. Only protarsomeres 1–2 ventrally with adhesive pads in males. Northern Pakistan: Kaghan Valley near Naran. ...................................... N. masrina ssp. calceata LEDOUx & ROUx, 2003

32 Large species: 14 mm. Base of pronotum wide (ratio of pronotum basal width/pronotum apical width = 0.9). Anal sternum bilaterally bisetose (in the known three female type specimens). Afghanistan, Nuristan: Upper Agôk Khwar Valley. ......................................... N. praelonga LEDOUx, 1985

– Small species: 9–10 mm. Base of pronotum narrower (ratio of pronotum basal width/pronotum apical width = 0.8–0.9). Anal sternum bilaterally polysetose: four setae in males, 5–6 setae in females. East Nepal, Taplejung district: Upper Tamur Valley. ........ N. tangjelaensis SHILENKOV, 1998