Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Dryophthorinae » Rhynchophorini » Sphenophorina » Billbugs (Sphenophorus) » Clay-coloured Billbug (Sphenophorus aequalis)

Species Sphenophorus aequalis - Clay-coloured Billbug

Billbug, Weevil, Sphenophorus sp; - Sphenophorus aequalis

Clay-coloured Billbug - Sphenophorus aequalis

Clay-coloured Billbug (with predator Eastern Kingbird) - Sphenophorus aequalis

Another example from NM - Sphenophorus aequalis

Sphenophorus aequalis ochreus? - Sphenophorus aequalis

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 Dryophthorinae

Tribe Rhynchophorini

Subtribe Sphenophorina

Genus Sphenophorus (Billbugs)

Species aequalis (Clay-coloured Billbug)

Synonyms and other taxonomic changes

abrasus, discolor, ochraceus

Explanation of Names

Sphenophorus aequalis Gyllenhaal 1828

Numbers

4 subspecies in our area(1)

Range

transcontinental (NS-BC to NC-LA-TX-CA)(2)(3); 3 sspp. are western, the nominate one transcontinental(1)

Remarks

may damage corn plants

Works Cited

1.	A catalog of Coleoptera of America north of Mexico. Curculionidae: Rhynchophorinae Vaurie P. 1983. USDA handbook no. 529-143a. x+28 pp.

2.	Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.

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.

Contributed by Boris Büche on 30 March, 2007 - 11:19am
Additional contributions by Chuck Entz, Mike Quinn, Graham M, v belov, onegunah
Last updated 20 December, 2016 - 9:32pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by: