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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles (Polyphaga) » Snout and Bark Beetles (Curculionoidea) » Snout and Bark Beetles (Curculionidae) » Dryophthorinae » Rhynchophorini » Billbugs (Sphenophorus)

Genus Sphenophorus - Billbugs

Classification · Numbers · Size · Identification · Range · Habitat · Season · Life Cycle · Remarks · Print References · Internet References · Works Cited
Unknown weevils - Sphenophorus aequalis Weevil - Sphenophorus venatus Billbug (Sphenophorus venatus) - Sphenophorus venatus Snout Weevil - Sphenophorus coesifrons UID WEEVIL - Sphenophorus venatus Sphenophorus velutinus ? - Sphenophorus gagatinus Billbug - Sphenophorus parvulus Beetle/giant weevil - Sphenophorus aequalis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Dryophthorinae
Tribe Rhynchophorini
Genus Sphenophorus (Billbugs)
Numbers
White, p. 324, lists 71 spp. (1)
Size
Circa 5-15 mm
Identification
Large, robust, elongate-ovate. Body mostly smooth, but often covered with a crust.
Range
Eastern and western North America
Habitat
Fields, wet areas, with host plants.
Season
Spring-fall, most species spring, summer (North Carolina)
Life Cycle
Larvae feed on grasses and sedges.
Remarks
Formerly genus name was Calendra.

The name is from spheno, Greek wedge plus phorus Greek bearing. (Based on Internet searches.)
Print References
Dillon, p. 798 (2)
White, pp. 322-324, fig. 142 (1)
Brimley, p.245 (3)
Salsbury, p. 250--photograph (4)
Internet References
Univ. Florida Featured Creatures
Florida Nature
Insects of Cedar Creek
Forestry Images
North Carolina State University Entomology Collection
Works Cited
1.Peterson Field Guides: Beetles
By Richard E. White
2.A Manual of Common Beetles of Eastern North America
By Dillon, Elizabeth S., and Dillon, Lawrence
3.Insects of North Carolina
By C.S. Brimley
4.Insects in Kansas
By Glenn A. Salsbury and Stephan C. White
Contributed by Cotinis on 17 November, 2004 - 6:28pm
Last updated 17 December, 2004 - 11:29pm

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