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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) » Cyphicerina » Cyrtepistomus » Asiatic Oak Weevil (Cyrtepistomus castaneus)

Species Cyrtepistomus castaneus - Asiatic Oak Weevil

Classification · Explanation of Names · Size · Range · Food · Life Cycle · Remarks · Works Cited

Asiatic oak weevil - Cyrtepistomus castaneus

Unknown Weevil - Cyrtepistomus castaneus

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)

Subtribe Cyphicerina

Genus Cyrtepistomus

Species castaneus (Asiatic Oak Weevil)

Explanation of Names

Cyrtepistomus castaneus (Roelofs 1873)

castaneus = 'chestnut-colored'

Size

4.1-5.2 mm(1)

Range

adventive to e. NA - Map (1)(2)(3), native to Asia

Food

hosts: wide range of trees, mainly oaks and Asiatic Chestnut(1)

Life Cycle

parthenogenetic(1)

One year life cycle(4)

Eggs are laid in the soil from early June to mid-Sept. Larvae are found around the roots of oak seedlings at up to 6" deep.(4)

Overwinter as larvae(4)

Remarks

may invade homes during the fall in search of hibernating sites(1); comes to lights(2)

introduced from Japan ca. 1933(1)

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.	Weevils of South Carolina (Coleoptera: Nemonychidae, Attelabidae, Brentidae, Ithyceridae, and Curculionidae). Janet C. Ciegler. 2010. Clemson University, Clemson, S.C. 276 pp.

3.	Global Biodiversity Information Facility (GBIF)

4.	Eastern Forest Insects Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.

Contributed by Lynette Elliott on 20 May, 2006 - 6:50am
Additional contributions by cotinis, Beatriz Moisset, Phillip Harpootlian, Mike Quinn, v belov, onegunah, Marci Hess
Last updated 30 July, 2023 - 12:23pm

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