Species Conotrachelus posticatus

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

Conotrachelus posticatus Boheman - Conotrachelus posticatus

Conotrachelus posticatus? - Conotrachelus posticatus

Weevil for ID - Conotrachelus posticatus

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 Molytinae

Tribe Conotrachelini

Genus Conotrachelus

Species posticatus (Conotrachelus posticatus)

Explanation of Names

Conotrachelus posticatus Boheman 1837

Size

3.7-5.0 mm(1)

Range

e. NA (NS-ON-MN to FL-TX) to Panama(2)(3)

Food

hosts: Quercus (larvae in acorns)(2)

Life Cycle

Eggs are laid in damaged, cracked, sprouted, or previously used acorns. The larval stage is 10-30 days.(4)

A 2-year life cycle -- first year is spent as a larva in the soil; the 2nd year as an adult in the leaf litter.(4)

Works Cited

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

2.	New Coleoptera records from New Brunswick, Canada: Anthribidae, Brentidae, Dryophthoridae, Brachyceridae, and Curculionidae... Webster R.P., Anderson R.S., Sweeney J.D., Demerchant I. 2012. Zookeys 179: 349-406.

3.	Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies... O'Brien C.W., Wibmer G.J. 1982. Mem. Am. Ent. Inst. 34: x+382 pp.

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

Contributed by tom murray on 1 May, 2006 - 8:11pm
Additional contributions by Mike Quinn, v belov, Marci Hess
Last updated 30 July, 2023 - 12:43pm

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