Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Sciaphilus asperatus

Weevil 15 - Sciaphilus asperatus Strawberry Root Weevil - Sciaphilus asperatus weevil - Sciaphilus asperatus Sciaphilus asperatus Unknown - Sciaphilus asperatus Sciaphilus ? - Sciaphilus asperatus Entiminae - Sciaphilus asperatus Sciaphilus asperatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Entiminae (Broad-nosed Weevils)
Tribe Sciaphilini
Genus Sciaphilus
Species asperatus (Sciaphilus asperatus)
Explanation of Names
Sciaphilus asperatus (Bonsdorff 1785)
Size
4.5-5.5 mm(1)
Identification
Adult: snout very short (no longer than head) and blunt-tipped; body light brown to reddish-brown with extensive black speckling and scattered white scales; elytra with black punctate striations and short erect hairs; brown surface scales often become rubbed off, revealing black ground color in places, giving a "black-scratched" appearance
Range
native to Europe, adventive in NA (introduced ca. 1880) and established across s. Canada and in e. US south to NC(2)(1)(3)(BG data)
Habitat
hardwood forest (in the Great Lakes Region)(1)
Food
polyphagous: adults on leaves of various trees (maple, birch, fruit trees, conifers) and other plants, larvae feed on roots(2)
Life Cycle
parthenogenetic
Remarks
larvae are pests of strawberry & raspberry in the Palaearctic(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.The weevils (Coleoptera: Curculionoidea) of the Maritime Provinces of Canada, II: New records from Nova Scotia...
C.G. Majka, R.S. Anderson, & D.B. McCorquodale. 2007. The Canadian Entomologist 139: 397–442.
3.The beetle fauna of Rhode Island: an annotated checklist
Sikes D.S. 2004. The Biota of Rhode Island, v. 3. Rhode Island Natural History Survey, Kingston, RI. vi + 296 pp.