Batrisini, Reitter, 1882

Yin, Zi-Wei, 2022, The Batrisini of Tibet: unveiling an enigmatic ant-loving beetle diversity at Earth’s “ Third Pole ” (Coleoptera, Staphylinidae, Pselaphinae), Zootaxa 5111 (1), pp. 1-211 : 8-9

publication ID

https://doi.org/ 10.11646/zootaxa.5111.1.1

publication LSID

lsid:zoobank.org:pub:836B0F69-037C-4D0F-80DB-94FE454F48E3

DOI

https://doi.org/10.5281/zenodo.6964191

persistent identifier

https://treatment.plazi.org/id/C822F213-FFCC-247F-CB88-A45B70FB2417

treatment provided by

Plazi

scientific name

Batrisini
status

 

Key to Tibetan genera of Batrisini View in CoL

1 Whole dorsal surface of body bears coarse punctation; each elytron with four basal foveae; aedeagus simple, plate-like ( Figs 52–61 View FIGURE 52 View FIGURE 53 View FIGURE 54 View FIGURE 55 View FIGURE 56 View FIGURE 57 View FIGURE 58 View FIGURE 59 View FIGURE 60 View FIGURE 61 )............................................................................... Sathytes Westwood View in CoL

- Dorsal surface of body finely punctate to glabrous, or only parts of body coarsely punctate; each elytron with one to three basal foveae; aedeagus usually composed of median and dorsal lobes................................................. 2

2 Each elytron with two basal foveae; pronotum with transverse antebasal sulcus connecting lateral antebasal foveae; aedeagus with articulated dorsal lobe............................................................................. 3

- Each elytron with one or three basal foveae; pronotum lacking transverse antebasal sulcus; aedeagus with partially fixed dorsal lobe................................................................................................ 6

3 Tergite 1 (IV) with pair of oblique inner marginal carinae ( Fig. 76 View FIGURE 76 ).................................. Trisinus Raffray View in CoL

- Tergite 1 (IV) lacking inner marginal carinae............................................................... 4

4 Aedeagus with small, constricted basal capsule ( Fig. 29 View FIGURE 29 )..................................... Batriscenaulax Jeannel View in CoL

- Aedeagus with large or extended basal capsule.............................................................. 5

5 Scape lacking inner glandular structure at apicolateral margin; dorsal lobe of aedeagus erect ( Figs 2–28 View FIGURE 2 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE 6 View FIGURE 7 View FIGURE 8 View FIGURE 9 View FIGURE 10 View FIGURE 11 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 View FIGURE 16 View FIGURE 17 View FIGURE 18 View FIGURE 19 View FIGURE 20 View FIGURE 21 View FIGURE 22 View FIGURE 23 View FIGURE 24 View FIGURE 25 View FIGURE 26 View FIGURE 27 View FIGURE 28 )................................................................................................... Arthromelodes Jeannel View in CoL

- Scape with inner glandular structure at apicolateral margin; dorsal lobe of aedeagus recumbent or strongly bent at base ( Figs 30–37 View FIGURE 30 View FIGURE 31 View FIGURE 32 View FIGURE 33 View FIGURE 34 View FIGURE 35 View FIGURE 36 View FIGURE 37 )................................................................................ Batrisiella Raffray View in CoL

6 Head and pronotum strongly transverse; each elytron with one basal fovea ( Yin & Li 2015a: figs 1, 3)..................................................................................................... Hingstoniella Jeannel

- Head at most moderately transverse; pronotum usually with length and width subequal; each elytron with three basal foveae 7

7 Head lacking carina or sulcus; antennomeres moniliform; pronotum lacking discal or lateral longitudinal sulcus/carina..... 8

- Head carinate or sulcate; antennomeres non-moniliform; pronotum with discal or lateral longitudinal sulcus/carina........ 9

8 Body glabrous; head sub-trapezoidal, with trichome at posterolateral margin ( Yin et al. 2012b: fig. 1; Yin & Li 2013a: fig. 1)....................................................................................... Tangius Yin & Li

- Body pubescent; head sub-rectangular, lacking trichome at posterolateral margin ( Yin 2021: fig. 1)....................................................................................................... Myrmicophila Yin & Li

9 Pronotum with pairs of sinuate discal and lateral longitudinal sulci; metatibia of male with long pencil of setae at apex ( Figs 38 View FIGURE 38 , 39 View FIGURE 39 )................................................................................... Batrisodes Reitter View in CoL

- Pronotum at most with one pair of longitudinal sulci, often with pair of discal longitudinal carinae; metatibia lacking or with short tuft of setae at apex.............................................................................. 10

10 Pronotum with pairs of anterolateral and antero-hypomeral foveae ( Fig. 40E View FIGURE 40 ).................. Coryphomimus View in CoL gen. nov.

- Pronotum lacking anterolateral or antero-hypomeral foveae................................................... 11

11 Elytra with inner two basal foveae close, disc coarsely punctate ( Figs 43–45 View FIGURE 43 View FIGURE 44 View FIGURE 45 ).................... Coryphomodes Jeannel View in CoL

- Elytra with inner two basal foveae clearly separated, disc finely punctate........................................ 12

12 Body length less than 1.7 mm; vertex strongly convex; lacking lateral frontal fovea; pronotum with short discal longitudinal carina present only at basal 1/2; lacking external male sexual characters ( Figs 46–48 View FIGURE 46 View FIGURE 47 View FIGURE 48 )................. Gyrongita View in CoL gen. nov.

- Body length usually no less than 2.0 mm; lateral frontal fovea present; vertex weakly to moderately convex; pronotum often with complete discal carina; male sexual characters usually present on antennae or legs, rarely on head ( Figs 62–74 View FIGURE 62 View FIGURE 63 View FIGURE 64 View FIGURE 65 View FIGURE 66 View FIGURE 67 View FIGURE 68 View FIGURE 69 View FIGURE 70 View FIGURE 71 View FIGURE 72 View FIGURE 73 View FIGURE 74 )............................................................................................ Tribasodites Jeannel View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

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