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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Tenebrionoidea » Darkling Beetles (Tenebrionidae) » Diaperinae » Diaperini » Adelinina » Cynaeus » Larger Black Flour Beetle (Cynaeus angustus)

Species Cynaeus angustus - Larger Black Flour Beetle

teneb - Cynaeus angustus Tenebrionidae, head - Cynaeus angustus Tenebrionidae, dorsal - Cynaeus angustus Teneb - Cynaeus angustus small reddish beetle - Cynaeus angustus Tenebrionidae? - Cynaeus angustus Tenebrionidae? - Cynaeus angustus Cynaeus sp. - Cynaeus angustus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Tenebrionoidea
Family Tenebrionidae (Darkling Beetles)
Subfamily Diaperinae
Tribe Diaperini
Subtribe Adelinina
Genus Cynaeus
Species angustus (Larger Black Flour Beetle)
Synonyms and other taxonomic changes
C. angustatus (misspelling) e.g. in (1)
Explanation of Names
Cynaeus angustus (LeConte 1851)
angustus 'narrow'
Size
5‒6 mm(2)
Range
Widespread(3), native to sw. US but spread rapidly eastward with agriculture, grain storage, etc. (Warren Steiner, pers. comm., 11/17/09)
Habitat
Stored products; sometimes found under bark, hay bales & debris. Prior to 1938, when it was discovered infesting stored grain in the Midwest, was only known from debris at the base of yucca plants.(4)
Food
grain (damaged or undamaged); prefers maize and barley, also feeds on fungi associated with insect-infested grain(4); minor pest of stored cereal products(3)
Life Cycle
9–11 larval instars(4)
Remarks
common pest of farm-stored grain in north-central US(4)
Works Cited
1.The Beetles of Northeastern North America, Vol. 1 and 2.
Downie, N.M., and R.H. Arnett. 1996. The Sandhill Crane Press, Gainesville, FL.
2.Tenebrionoidea of South Carolina
Janet C. Ciegler. 2014. Clemson University.
3.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
4.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
Contributed by Phillip Harpootlian on 8 February, 2009 - 4:27pm
Additional contributions by Bbarnd, Mike Quinn, v belov
Last updated 3 January, 2024 - 4:19pm

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