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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

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Species Glycobius speciosus - Sugar Maple Borer

Yellow insect with interesting markings - Glycobius speciosus

Neoclytus caprea?? - Glycobius speciosus

Not quite a locust borer... - Glycobius speciosus

Clytus ? Wasp Beetle - Glycobius speciosus

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 Cerambycinae

Tribe Clytini

Genus Glycobius

Species speciosus (Sugar Maple Borer)

Explanation of Names

Glycobius speciosus (Say 1828)

Size

23‒27 mm(1)

Range

ne NA(1), extirpated from much of the Midwest (Holland 2009)

Habitat

Deciduous forests

Season

Jun‒Aug(2)

Food

host: sugar maple

Life Cycle

Takes 2 years. Larvae mine under bark of living Acer saccharum. Eggs laid in bark crevices, under bark scales or around wounds in Jul‒Aug. Larvae tunnel across the grain and cut deep channels. Pupation occurs as the end of the tunnel, but prior to this, they cut an exit hole. Overwinter as larvae in sapwood.(3)

Remarks

mimic of Vespula:

Rare(2)

Print References

Holland J.D. (2009) Glycobius speciosus (Say) (Coleoptera: Cerambycidae) has been extirpated from much of midwestern U.S.A. Col. Bull. 63: 54–61.

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

Contributed by Cotinis on 15 February, 2005 - 2:37pm
Additional contributions by Mike Quinn, v belov, Marci Hess
Last updated 12 August, 2023 - 9:25pm

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