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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Elateroidea » False Click Beetles (Eucnemidae) » Macraulacinae » Macraulacini » Onichodon

Genus Onichodon

Classification · Explanation of Names · Numbers · Size · Identification · Range · Habitat · Season · Life Cycle · Works Cited

Onychodon canadensis - Onichodon canadensis

False Click Beetle - Onichodon canadensis

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

No Taxon (Series Elateriformia)

Superfamily Elateroidea

Family Eucnemidae (False Click Beetles)

Subfamily Macraulacinae

Tribe Macraulacini

Genus Onichodon

Explanation of Names

Onichodon Newman 1838

Numbers

5 spp. total, all in our area

Size

7.0-17.0 mm

Identification

Can be confused with Fornax and Diphytaxis, which differ in having elytral epipleura simple and lateral antennal grooves narrow.

Key to species

1. Antennae sharply serrate..........................................................................................2

Antennae weakly to moderately serrate.............................................................................3

2. Basal elytrial interstices with coarse, separate granules......................................O. rugicollis (Fall)

Basal elytrial interstices with small, transversely joined granules...........................O. canadensis (Brown)

3. Antennae moderately serrate.......................................................................................4

Antennae weakly serrate............................................................................O. downiei Muona

4. Antennae slenderer.............................................................................O. orchesides Newman

Antennae stouter...................................................................................O. wappesi Muona

Range

2 spp. widespread in e. US, one has a more northern distribution, and one is endemic to TX

Habitat

Larvae in logs of various deciduous trees

Season

mid-May through mid-Aug

Life Cycle

Larvae of 3 spp. described in (1)

Works Cited

1.	Eucnemid Larvae of the Nearctic Region. Part III: Mature larval descriptions for three species of Onichodon Newman, 1838... Otto R.L. 2013. Col. Bull. 67: 97-106.

Contributed by Nicolas Gompel on 4 May, 2008 - 2:45am
Additional contributions by Robert Otto, v belov
Last updated 13 July, 2022 - 6:15pm

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