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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Broad-nosed Weevils (Entiminae) » Oriental Broad-nosed Weevils (Cyphicerini) » Calomycterus » Imported Long-horned Weevil (Calomycterus setarius)

Species Calomycterus setarius - Imported Long-horned Weevil

Imported Long-horned Weevil - Calomycterus setarius

Curculionidae, Imported Long-horned Weevil, frontal-lateral - Calomycterus setarius

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 Curculionidae (Snout and Bark Beetles)

Subfamily Entiminae (Broad-nosed Weevils)

Tribe Cyphicerini (Oriental Broad-nosed Weevils)

Genus Calomycterus

Species setarius (Imported Long-horned Weevil)

Explanation of Names

Calomycterus setarius Roelofs 1873

setarius = 'bristled'

Size

3.0-3.5 mm(1)

Identification

see detailed description in(1)

Range

native to Japan, adventive in NA and now common in much of e. US (west to NE-KS) and adjacent Canada (so. QC, e. ON)(1)

Season

in OH, adults emerge in late Jun and become abundant during Jul-Aug(2)

Food

feeds on various herbaceous plants(1), incl. alfalfa and red clover(2)

Life Cycle

parthenogenetic(1)

Remarks

may be very abundant on soybean crops and defoliate the seedlings(1); when abundant, they crawl on humans, vehicles and in dwellings on walls, ceilings, furniture or even food on tables, and can cause complaints by homeowners(2)

Works Cited

1.	Insects and Arachnids of Canada Series, Part 25. Coleoptera, Curculionidae, Entiminae. Donald E. Bright, Patrice Bouchard. 2008. 2008. NRC Research Press, Ottawa, Ontario, Canada.

2.	Ohio State University Extension fact sheets

Contributed by tom murray on 15 October, 2006 - 3:12pm
Additional contributions by v belov, onegunah
Last updated 2 July, 2015 - 9:29am

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