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Genus Ischnocerus

Meconemus infuscatus Fåhraeus - Ischnocerus infuscatus - female

Ischnocerus infuscatus Beetle - Ischnocerus infuscatus

Ischnocerus infuscatus? - Ischnocerus infuscatus

On a house in Brandon, Mississippi - Ischnocerus infuscatus - male

Ischnocerus angulatus? - Ischnocerus angulatus

Arizona Weevil for ID - Ischnocerus angulatus

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

No Taxon (Series Cucujiformia)

Superfamily Curculionoidea

Family Anthribidae (Fungus Weevils)

Subfamily Anthribinae

Genus Ischnocerus

Synonyms and other taxonomic changes

Meconemus Labram & Imhoff 1838 may or may not be synonymous; see (1)(2)(3); both genera, at time of description, were monotypic, and based on the same species (Meconemus tuberculatus Labram & Imhoff 1838 =Ischnocerus infuscatus Fåhraeus 1839)

Explanation of Names

Ischnocerus Schoenherr 1839

Greek 'thin-horned'

Numbers

3 spp. in our area, 13 total(4)

Identification

key to spp. in (5)

Range

so.US to the Neotropics(4); in our area, 1 sp. in se. US (MD‒TX in the Coastal Plain) and 2 spp. in se.AZ(5)

Remarks

our only representative of the tribe Ischnocerini Lacordaire 1865 (=Cappadocini Alonso-Zarazaga & Lyal 1999, Mecocerini Lacordaire 1866), that contains a dozen genera, mostly Oriental/Australasian (need to clarify situation)

Works Cited

1.	Family-group names in Coleoptera (Insecta) Bouchard P, Bousquet Y, Davies A, Alonso-Zarazaga M, Lawrence JF, Lyal CH, Newton A, Reid CA, Schmitt M, Ślipiński SA, Smith A. 2011. ZooKeys 88: 1–972.

2.	A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera) Alonso-Zarazaga M.A., Lyal C.H.C. 1999. Entomopraxis, Barcelona. 315 pp.

3.	Addenda and corrigenda to "A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera)" Alonso-Zarazaga M.A., Lyal C.H.C. 2002. Zootaxa 63: 1–37.

4.	American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.

5.	A review of Nearctic and some related Anthribidae (Coleoptera) Valentine B.D. 1998. Insecta Mundi 12: 251‒296.

Contributed by v belov on 15 June, 2009 - 9:42pm
Additional contributions by Mike Quinn, Boris Bueche
Last updated 9 August, 2025 - 8:47am

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