Trachysida mutabilis
(Newman, 1841)
flower longhorn
Trachysida mutabilis is a of flower longhorn beetle in the Cerambycidae. It is found in North America, with confirmed records from Canada (Alberta, British Columbia, Manitoba, New Brunswick) and the United States. The species has been reared from dead branches of Carpinus caroliniana (American hornbeam) in Missouri, where it represents the only known state record.
Pronunciation
How to pronounce Trachysida mutabilis: /trəˈkɪsɪdə mjuːˈtæbɪlɪs/
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Habitat
Associated with mesic upland deciduous forest. In Missouri, reared from a dead, partially rotting branch of Carpinus caroliniana (American hornbeam) in an area with sandstone bedrock and acid soils.
Distribution
North America. Canadian provinces: Alberta, British Columbia, Manitoba, New Brunswick. United States: Missouri (at least Iron County and Jefferson County).
Host Associations
- Carpinus caroliniana - larval reared from dead, almost rotting branches
More Details
Collection notes
In Missouri, the is known from only two specimens: one reared from a dead branch of Carpinus caroliniana collected in Iron County near Pickle Creek (MacRae & Rice 2007), and one from a larger, punky dead branch of the same at Don Robinson State Park in Jefferson County (MacRae 2021, unpublished blog record). Both collections involved rearing from dead wood collected in late winter to early spring.