Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Melittomma sericeum - Chestnut Timberworm

Melittomma sericeum - female Long Small Beetle - Melittomma sericeum Long Small Beetle - Melittomma sericeum Long, brown beetle - Melittomma sericeum Beetle - Melittomma sericeum - female Lymexylidae, Chestnut timberworm - Melittomma sericeum Unidentified Beetle - Melittomma sericeum Beetle - Melittomma sericeum
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 Lymexyloidea (Ship-timber Beetles)
Family Lymexylidae
Genus Melittomma
Species sericeum (Chestnut Timberworm)
Explanation of Names
Melittomma sericeum (Harris 1838)
sericeum = 'silken'
adults 11-15 mm, mature larvae 15-18 mm(1)
e US (ME-FL to IA-TX)(2)(3)(4)(BG data)
hosts: oak, elm, chestnut (American chestnut - Castanea dentata, before its demise, was the preferred host; now chiefly in white oaks)(1)(4)
Life Cycle
probably takes several yrs to mature(1)
Works Cited
1.Guide to insect borers in North American broadleaf trees and shrubs
Solomon, J.D. 1995. USDA Forest Service Agriculture Handbook. 735 pp.
2.An Illustrated Inventory of the Beetles (Coleoptera) of Lick Creek Park, College Station, Texas
Edward G. Riley. 2013. Texas A&M University, Dept. Entomology, College Station.
3.A Distributional Checklist of the Beetles (Coleoptera) of Florida
4.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.