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Genus Fornax

Fornax bicolor - Fornax Fornax knulli Muona - Fornax Fornax bicolor Fornax bicolor Fornax knulli - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Elateroidea (Click, Firefly and Soldier Beetles)
Family Eucnemidae (False Click Beetles)
Subfamily Macraulacinae
Tribe Macraulacini
Genus Fornax
Synonyms and other taxonomic changes
(=Filifornax Fleutiaux 1945)
(=Monilifornax Fleutiaux 1945)
A world-wide genus group with approximately 294 species distributed largely in the subtropical and tropical zones. Of those, only two species is present in the Nearctic region.
6.5-12.0 mm long.
The group can be confused with Diphytaxis, Onichodon and Serrifornax. They can be separated based on grooved elytrial epipleura and narrowed lateral antennal grooves.


1 Pronotum wide, strongly narrowed craniad, size larger than 7.0 mm...........................F. bicolor (Melsheimer)
1' Pronotum slenderer, not narrowed craniad, size smaller than 7.0 mm..................................F. knulli Muona
One species is widespread throughout much of eastern U.S. and Quebec. The second species is a Florida endemic.
Largely found in forested areas.
Late May through the end of July.
Larvae may be thriving in various types of deciduous logs.
Life Cycle
Print References
Muona, J. 2000. A Revision of the Nearctic Eucnemidae. Acta Zoologica Fennica. 212: 106 pp.