Semanotus ligneus
(Fabricius, 1787)
Cedar Tree Borer
Semanotus ligneus is a of longhorned beetle in the Cerambycidae, commonly known as the Cedar Tree Borer. It is native to North America and has been recorded from multiple Canadian provinces including Manitoba, New Brunswick, Nova Scotia, and Ontario. The species belongs to the tribe Callidiini, which includes many wood-boring beetles associated with coniferous trees.



Pronunciation
How to pronounce Semanotus ligneus: //sɛˈmænəˌtus ˈlɪɡniəs//
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Distribution
North America; specifically recorded from Canadian provinces of Manitoba, New Brunswick, Nova Scotia, and Ontario. Distribution records indicate presence across eastern and central Canada.
Host Associations
- Juniperus - breeding Based on congeneric S. juniperi; direct records for S. ligneus not confirmed in provided sources
- Thuja - breeding Inferred from 'Cedar Tree Borer'; direct records not confirmed
Similar Taxa
- Semanotus juniperiCongeneric with similar and ; S. juniperi specifically breeds in large limbs of Utah juniper (Juniperus osteosperma) in southwestern U.S., while S. ligneus occurs in more eastern/northern regions
- Semanotus amethystinusCongeneric , also known as Amethyst Cedar Borer; similar suggests shared ecological association with cedar
More Details
Taxonomic placement
Semanotus ligneus was described by Fabricius in 1787 and is currently placed in the tribe Callidiini within Cerambycinae.