Thanasimus undatulus
(Say, 1835)
Wavy Checkered Beetle
Thanasimus undatulus is a of ( ) known as the Wavy Checkered Beetle. It is a documented of , specifically the spruce (Dendroctonus rufipennis). The species responds to synthetic used by its , particularly frontalin. It occurs in North America and Central America.
Pronunciation
How to pronounce Thanasimus undatulus: /θæˈnæsɪməs ʌnˈdeɪtʃələs/
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Habitat
Associated with living trees of the Picea (spruce).
Distribution
North America and Central America.
Host Associations
- Dendroctonus rufipennis - - of the spruce ; attracted to frontalin produced by this .
Behavior
Has been observed to respond to synthetic , showing significantly stronger attraction to frontalin than to seudenol. This behavioral response is influenced by the presence of living trees (Picea).
Ecological Role
of ; contributes to of Dendroctonus rufipennis.
More Details
Subspecies
Two are recognized: Thanasimus undatulus undatulus (Say, 1835) and Thanasimus undatulus nubilus (Klug, 1842).
Pheromone Response Research
Research has demonstrated that T. undatulus is attracted to frontalin in significantly greater numbers than to seudenol, with this response occurring specifically on living spruce trees rather than non-host trees.