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Species Neoclytus acuminatus - Red-Headed Ash Borer

Red-Headed Ash Borer - Neoclytus acuminatus Red-headed Ash Borer - Neoclytus acuminatus BG2228 E4436 - Neoclytus acuminatus - male Neoclytus acuminatus - female Beetle - Neoclytus acuminatus - female Neoclytus acuminatus Unidentified Beetle? - Neoclytus acuminatus Longhorn beetle - Neoclytus acuminatus
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 Cerambycinae
Tribe Clytini
Genus Neoclytus
Species acuminatus (Red-Headed Ash Borer)
Explanation of Names
Neoclytus acuminatus (Fabricius 1775)
2 sspp., both in our area(1)
4-13 mm(2)
markings distinctive; note the thickened antennal tips
e. NA to NM-CO, plus scattered western records - Map (3)
N. a. acuminatus* e. NA to NB-TX; N. a. hesperus w. NA(1)
*introduced in Europe, now widespread(4)
mostly: Apr-Aug(3)
Larvae feed on the sapwood of ash and other hardwoods, and even occasionally on vines and shrubs(2). Larvae are common in downed timber with the bark left on.
Life Cycle
Overwinters in infested tree trunks, probably as pupae; adults emerge in early spring and lay eggs under bark of recently dead trees
Comes to lights(2)
Works Cited
1.New World Cerambycidae Catalog
2.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
3.Global Biodiversity Information Facility (GBIF)
4.Alien terrestrial arthropods of Europe
Roques A., Kenis M., Lees D., Lopez-Vaamonde C., Rabitsch W., Rasplus J.-Y., Roy D., eds. 2010. BioRisk 4 Special Issue; 2 vols., 1028 pp.