Species Mallodon dasystomus - Hardwood Stump Borer
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 Prioninae
Tribe Mallodonini
Genus Mallodon
Species dasystomus (Hardwood Stump Borer)
Synonyms and other taxonomic changes
Orig. Comb: Prionus dasystomus Say, 1824
Syn: Stenodontes dasystomus (Say)
Explanation of Names
Mallodon dasystomus (Say 1823)
dasystomus = 'hairy mouth'
Size
20-50 mm
Identification
Antennal tubercles at the base of the antennae acute; mandibles nearly horizontal, prolonged in male, more or less carinate above, most bidentate and pubescent internally.
Range
se. US to AZ (AZ-FL-VA-OK) to Columbia - Map(1)(2)
Habitat
Deciduous forests
Food
Larvae bore in live heartwood of trees, incl. oak, elm, willow, pecan, maple, sycamore, etc.(3)
Life Cycle
take 3-4 years to mature. Can be economically damaging. Adults come to lights.
Eggs are laid around wounds, particularly near the base of the tree. The larvae bore into the heartwood, feeding gregariously.(4)