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Species Ecyrus dasycerus

Long-horned Beetle - Ecyrus dasycerus Ecyrus dasycerus Ecyrus dasycerus? - Ecyrus dasycerus Ecyrus dasycerus A flat face longhorn. ID, please - Ecyrus dasycerus Flat-faced Longhorn - Ecyrus dasycerus What is this bug? - Ecyrus dasycerus Pennsylvania Beetle  - Ecyrus dasycerus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Cerambycidae (Longhorn Beetles)
Subfamily Lamiinae (Flat-faced Longhorn Beetles)
Tribe Pogonocherini
Genus Ecyrus
Species dasycerus (Ecyrus dasycerus)
Explanation of Names
Ecyrus dasycerus (Say 1826)
dasycerus 'having hairy antennae'
2 sspp. in our area(1)
4‒10 mm(2)
Variable in size and color, but the combination of body shape and the dark, inverted arc-like (although sometimes faint) marking at the elytral base is distinctive among eastern longhorns(2)
e.NA: QC‒ON‒e.NE to FL‒TX to Mexico(1)
variety of hardwoods, esp. oak and hackberry(2)(3)
comes to lights(2)
Works Cited
1.Catalogue of the Cerambycidae (Col.) of Canada and United States of America, Parts I‒IV
Monné M.A., Nearns E.H. 2023. Available from
2.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
3.Illustrated Key to the Longhorned Woodboring Beetles of the Eastern United States
Steven W. Lingafelter. 2008. Coleopterists Society.