Published January 17, 2023 | Version v1
Taxonomic treatment Open

Ochthebius (Aulacochthebius) plicicollis Fairmaire

Description

O. (Aulacochthebius) plicicollis Fairmaire

Figs. 2, 31

Ochthebius plicicollis Fairmaire 1898: 223.

Differential diagnosis. Similar in size (ca. 1.40 mm) to O. (A.) tenuipunctus; distinguished therefrom by the longer and deeper midlongitudinal impression of the pronotum, and by the aedeagus.

Discussion. Both species of Malagasy O. (Aulacochthebius), O. (A.) perlaevis (Perkins) and O. (A.) plicicollis Fairmaire, are typical species of the O. (A.) tenuipunctus Group, very smooth dorsally. The aedeagi of both species differ in the shape of the main-piece from that of other members of the group. O. (A.) plicicollis is known from only a few localities in Madagascar (Fig. 29); whereas O. (A.) perlaevis is widely distributed on the island (Fig. 32).

Notes

Published as part of Perkins, Philip D., 2023, Taxonomic revision of African water beetles in the genus Ochthebius Leach (1815) subgenus Aulacochthebius Kuwert (1887) (Coleoptera: Hydraenidae), pp. 501-546 in Zootaxa 5228 (5) on page 537, DOI: 10.11646/zootaxa.5228.5.1, http://zenodo.org/record/7543172

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Linked records

Additional details

Biodiversity

Family
Hydraenidae
Genus
Ochthebius
Kingdom
Animalia
Order
Coleoptera
Phylum
Arthropoda
Scientific name authorship
Fairmaire
Species
plicicollis
Taxon rank
species