Species Oberea tripunctata - Dogwood Twig Borer

Classification · Explanation of Names · Size · Identification · Range · Food · Life Cycle · Works Cited

Oberea tripunctata (Swederus) - Oberea tripunctata

Small Indiana Longhorn Beetle - Oberea tripunctata - male

Cerambycidae, Dogwood Twig Bore, lateral - Oberea tripunctata

Classification

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 Phytoeciini

Genus Oberea

Species tripunctata (Dogwood Twig Borer)

Explanation of Names

Oberea tripunctata (Swederus 1787)

Size

8-13 mm(1)

Identification

pronotum with a pair of black calli and a basal black spot near the scutellum, underside mostly dark, and outer margin of mandibles nearly straight (2)

Range

e. NA to MB-TX(3)

Food

larvae bore into living branches of Cornus, Prunus, Viburnum, Ulmus, Vaccinium, Populus, Salix and Morus(2)

Life Cycle

Adults appear in early spring after girdling the tip of the host. They lay their eggs in living twigs. The larva bores down the center of the twig, making a long series of holes. Pupation is in spring between two wads of frass.(4)

Overwinters as a larva(4)

Works Cited

1.	Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae) Douglas Yanega. 1996. Illinois Natural History Survey.

2.	Illustrated Key to the Longhorned Woodboring Beetles of the Eastern United States Steven W. Lingafelter. 2008. Coleopterists Society.

3.	New World Cerambycidae Catalog

4.	Eastern Forest Insects Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.

Contributed by tom murray on 17 February, 2007 - 9:21am
Additional contributions by Mike Quinn, v belov, Marci Hess
Last updated 23 July, 2023 - 2:02pm

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