Grouvellinus bishopi Jäch, 1984

Bian, Dongju & Jäch, Manfred A., 2019, Revision of the species Grouvellinus Champion, 1923 (Coleoptera: Elmidae) with long median pronotal carina, including descriptions of four new species from China, Zootaxa 4586 (1), pp. 127-140 : 128

Grouvellinus bishopi Jäch, 1984

( Figures 1 A–B, 4A–C)

Material examined: 2 paratypes (male and female) ( NMW): “Gombak R. \ Malaya 1969 \ J.E. Bishop | Para- \ TYPUS”; 19 exs. ( NMW): 19 exs. ( NMW): “ MALAYSIA 30 .I.1992 \ KEDAH: \ Langkawi \ leg. Jäch (16)”; 2 exs. ( NMW): MALAYSIA 31 .I.1992 \ KEDAH: Langkawi \ Lubuk Sembilang \ leg. Jäch (17) ”; 4 exs. ( NMW): “ MALAYSIA 4.II.1992 \ PERAK: \ Lawin, S [south of] Gerik \ leg. Jäch (25) ”; 9 exs. ( NMW): “ MALAYSIA 4.II.1992 \ PERAK: \ Ö [east of] Padang Gerus \ leg. Jäch (26) ”.

Diagnosis. This species is characterized by the rather slender body form, by the median pronotal carina being not strongly raised, by the elytral punctures not very deeply impressed, and by the aedeagus ( Jäch 1984: Figure 20).

Description. See Jäch (1984).

Distribution. Malaysia (Kedah, Perak, Selangor). First records for Kedah and Perak.

Figures

FIGURE 1. Habitus. A–B) Grouvellinus bishopi, paratype male; C–D) Grouvellinus hongkongensis, paratype male. A, C) in dorsal view; B, D) in ventral view.