Geotragus Schoenherr

Ren, Li, Alonso-Zarazaga, Miguel A. & Zhang, Runzhi, 2013, Revision of the Chinese Geotragus Schoenherr with description of three new species (Coleoptera: Curculionidae: Entiminae), Zootaxa 3619 (2), pp. 161-182: 163-164

publication ID

http://dx.doi.org/10.11646/zootaxa.3619.2.5

publication LSID

lsid:zoobank.org:pub:DBB8DB78-09DF-4F68-AFB1-AAC8EBC95DD

persistent identifier

http://treatment.plazi.org/id/C62C2621-100E-C04F-FF10-F823FA0E6A41

treatment provided by

Plazi

scientific name

Geotragus Schoenherr
status

 

Key to Chinese species of Geotragus Schoenherr 

1 Elytral interstria 1 strongly elevated at top of declivity, forming a prominent longitudinal crest........................ 2

1 ’ Elytral interstria 1 not elevated at declivity, not forming a longitudinal crest....................................... 4

2 Elytral interstria 3 with three prominent consecutive tubercles before declivity..................... G. tuberculatus Chen 

2 ’ Elytral interstria 3 without tubercles, only slightly elevated at the base........................................... 3

3 Frons convex, distinctly higher than basal part of rostrum; inner margin of protibiae with ten small denticles, length of the longest denticle less than 1 / 10 width of tibia at the same point; elytral interstria 5 distinctly raised from base to declivity, higher at declivity, forming a longitudinal crest...................................................... G. brevidens  sp. nov.

3 ’ Frons flat, on same plane as dorsal part of rostrum; inner margin of protibiae with 11 moderately large denticles, length of the longest denticle subequal to 1 / 5 width of tibia at the same point; interstria 5 not distinctly raised from base, tubercle only distinct at declivity, conical................................................................. G. declivis  sp. nov.

4 Dorsal surface of rostrum strongly corrugated, with a deep wide central furrow and many subparallel furrows; preocular area with a wide, deep and oblique impression laterally on each side of rostrum; in dorsal view, apex of aedeagus obliquely truncate..................................................................................... G. rugosus  sp. nov.

4 ’ Dorsal surface of rostrum rather smooth, not corrugated; preocular area without oblique impressions; in dorsal view, apex of aedeagus ogival.................................................................. G. himalayanus Boheman