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Genus Megalodacne

Beetle - Megalodacne heros Megalodacne heros BG2707 E6489 - Megalodacne fasciata Black&OrangeBug - Megalodacne heros Beetle - Megalodacne heros Megalodacne heros sighting in Vermont? - Megalodacne heros M. heros? - Megalodacne fasciata Pleasing fungus beetle  - Megalodacne heros
Classification
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)
Superfamily Cucujoidea (Sap, Bark, Fungus and Lady Beetles)
Family Erotylidae (Pleasing Fungus Beetles)
Subfamily Erotylinae (Pleasing Fungus Beetles)
Tribe Encaustini
Genus Megalodacne
Pronunciation
meg-al-o-DAK-nee
Explanation of Names
Author of genus is Crotch, 1873.
Numbers
Two Nearctic species.
Identification
Adults large, brightly colored/patterned.
Larvae (found in bracket fungi) are highly sclerotized.
Range
Eastern United States and Canada
Life Cycle
Larvae feed on bracket fungi. Adults overwinter under bark, often in groups.
Remarks
Megalodacne fasciata is easily confused with Megalodacne heros. M. heros is larger, and lacks the rows of fine punctures on the elytra that are characteristic of M. fasciata.
Side by side comparison (M. fasciata on left, M. heros on right):
Print References
(1)
(2)
Internet References
Works Cited
1.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.
2.How to Know the Beetles
Ross H. Arnett, N. M. Downie, H. E. Jaques. 1980. Wm. C. Brown Publishers.