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International Commission on Zoological Nomenclature

Case 3745

Overview

Case 3745: Heteronychus Dejean, 1833 (Coleoptera: Scarabaeidae: Dynastinae): proposed conservation of usage by conserving Heteronychus cricetus Hausmann, 1807 as the type species

Publication Type:	Journal Article
Year of Publication:	2017
Authors:	Krell, F., Bouchard, P., Bousquet, Y.
Journal:	Bulletin of Zoological Nomenclature
Volume:	74
Issue:	1
Start Page:	102
Pagination:
Date Published:	08/2017
Type of Article:	Case
Keywords:	African black beetle, black sugarcane beetle, Dynastinae, Geotrupes syrichtus, Heteronychus, Heteronychus cricetus, Nomenclature, Scarabaeidae, Syrictes, taxonomy, type species
Abstract:	The purpose of this application, under Articles 70.2 and 80 of the Code, is to conserve the current and universal usage of the genus name Heteronychus Dejean, 1833 for a genus of rhinoceros beetles (Scarabaeidae: Dynastinae). Several species in this genus are important pests in Africa, Asia and Australia. The correct, long-overlooked type species is Geotrupes syrichtus Fabricius, 1775, designated by Duponchel (1845), is currently recognized as a valid species and the type species of Syrictes Prell, 1935, a genus placed in a different tribe of Dynastinae. Acceptance of this type species would transfer a widely used name from an economically important to a rarely cited genus, and the economically important genus would need to be named by the scarcely used subjective junior synonym Heteronychidius Paulian, 1954 with a dubious taxonomic identity. To conserve the usage of the widely used name Heteronychus, it is proposed that all type fixations for this genus preceding that of Heteronychus cricetus Hausmann, 1807 by Krell (2002) be set aside.
Full Text:	https://doi.org/10.21805/bzn.v74.a025

Case:
Case 3745

Volume/Issue:
74(1)

Taxonomic Group(s):
Coleoptera, Insecta

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Opinions

Opinion 2460: Heteronychus Dejean, 1833 (Coleoptera, Scarabaeidae, Dynastinae): Geotrupes cricetus Hausmann, 1807 conserved as type species

Publication Type:	Journal Article
Year of Publication:	2020
Authors:	ICZN
Journal:	Bulletin of Zoological Nomenclature
Volume:	77
Issue:
Start Page:	101
Pagination:
Date Published:	07/2020
Type of Article:	Opinion
Keywords:	African black beetle, black sugarcane beetle, Dynastinae, Geotrupes syrichtus, Heteronychus, Heteronychus cricetus, Nomenclature, Scarabaeidae, Syrictes, taxonomy, type species
Abstract:	The International Commission on Zoological Nomenclature has used its plenary power to conserve the current usage of the generic name Heteronychus Dejean, 1833 by setting aside all previous type fixations for this genus preceding that of Geotrupes cricetus Hausmann, 1807 by Krell in 2002.
Full Text:	https://doi.org/10.21805/bzn.v77.a034

Opinion:
Opinion 2460

Volume/Issue:
77

Taxonomic Group(s):

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Status of Case:
Resolved (Opinion Issued)

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