Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Polyphaga
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Bostrichoidea
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Death-watch and Spider Beetles (Ptinidae)
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Spider Beetles (Ptininae)
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Ptinini
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Ptinus
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subgenus Ptinus (Ptinus subgenus Ptinus)
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Whitemarked Spider Beetle (Ptinus fur)
Species
Ptinus fur
- Whitemarked Spider Beetle
Classification
Kingdom
Animalia (Animals)
Phylum
Arthropoda (Arthropods)
Subphylum
Hexapoda (Hexapods)
Class
Insecta (Insects)
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Bostrichoidea
Family
Ptinidae (Death-watch and Spider Beetles)
Subfamily
Ptininae (Spider Beetles)
Tribe
Ptinini
Genus
Ptinus
No Taxon
(subgenus Ptinus)
Species
fur
(Whitemarked Spider Beetle)
Explanation of Names
Ptinus fur
(Linnaeus 1758)
Size
♂ 2.1–3.4 mm, ♀ 2.7–4.0 mm
(
1
)
Identification
Two tufts of yellowish setae on the pronotal disc crests are distinctive
(
2
)
Thoroughly described (and male genitalia figured) in
(
3
)
Range
Cosmopolitan, Holarctic. Adventive in North America, Asia, New Zealand
(
2
)
; in NA, across the continent north to NF-AK, south to PA-OH-CA
(
4
)
(
1
)
Habitat
homes, warehouses, granaries, museums
(
3
)
Food
Dried and decaying organic materials, including insect specimens, wasp combs, feathers, animal skins, stuffed birds, dried herbaria plants, seeds and grains, and foodstuffs
(
3
)
Remarks
one of the most commonly reported ptinids
(
2
)
earliest record in our area: NF ~1620-70
(
5
)
Works Cited
1.
Death-watch and spider beetles of Wisconsin—Coleoptera: Ptinidae
Arango, R.A. and D.K. Young. 2012. General Technical Report FPL-GTR-209. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.
2.
Beetles associated with stored products in Canada: An identification guide
Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.
3.
The Ptinidae of economic importance
Hinton, H.E. 1941. Bulletin of Economic Research 31: 331-381.
4.
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.
5.
The Derodontidae, Dermestidae, Bostrichidae, and Anobiidae of the Maritime Provinces of Canada (Coleoptera: Bostrichiformia)
C.J. Majka. 2007. Zootaxa 1573: 1–38.
Contributed by
Jim McClarin
on 23 November, 2006 - 7:29am
Additional contributions by
Beatriz Moisset
,
Bbarnd
,
ceiseman
,
v belov
Last updated 11 March, 2015 - 6:44am