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TaxonomyBrowse
Info
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Genus Dectes

Sunflower Longhorn - Dectes texanus Longhorn Beetle - Dectes texanus Longhorn - Dectes Flat faced Beetle Dectes? - Dectes Flat faced Beetle Dectes? - Dectes Dectes? - Dectes Aster stem girdler - Dectes texanus Dectes texanus LeConte - Dectes texanus
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 Chrysomeloidea (Long-horned and Leaf Beetles)
Family Cerambycidae (Long-horned Beetles)
Subfamily Lamiinae (Flat-Faced Longhorns)
Tribe Acanthocinini
Genus Dectes
Explanation of Names
Dectes LeConte 1852
Numbers
1-2 spp. in our area, 2-3 total(1) [sayi possibly synonym of texanus(2)]
Identification
Yanega (1996): species are difficult to separate; D. sayi has second antennomere more elongate, and the lower eye lobe distinctly shorter than D. texanus(3)
Lingafelter (2007): D. sayi: outer apex of femora gray, tarsi basally pale, lower eye lobe usually shorter than genal (cheek) area below it. D. texanus: outer apex of femora dark reddish-brown to black, tarsi unicolorous, lower eye lobe usually subequal to genal (cheek) area below it.(2)
Range
e. US to AZ; n. Mexico(1)(4)
Food
stem borers of herbaceous plants, esp. ragweed (Ambrosia, Asteraceae)(3)
Works Cited
1.A Photographic Catalog of the Cerambycidae of the New World
2.Illustrated Key to the Longhorned Woodboring Beetles of the Eastern United States
Steven W. Lingafelter. 2008. Coleopterists Society.
3.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
4.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.