Lasconotus intricatus

Kraus, 1912

Intricate Ironclad Beetle

Lasconotus intricatus is a in the , found in North America. It is attracted to the of the four-eyed spruce , Polygraphus rufipennis, suggesting a close ecological association with this bark beetle . The shows temporal synchrony with P. rufipennis in spring and summer activity patterns.

Lasconotus intricatus by (c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon. Used under a CC-BY license.

Pronunciation

How to pronounce Lasconotus intricatus: //læskəˈnoʊtəs ˌɪntrɪˈkeɪtəs//

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Images

Habitat

Black spruce (Picea mariana) forests, specifically in association with spruce -infested material.

Distribution

North America; recorded from Alberta and British Columbia, Canada.

Seasonality

Active in spring and summer, with captures showing high temporal coincidence with Polygraphus rufipennis.

Host Associations

Polygraphus rufipennis - attraction to four-eyed spruce
Picea mariana - associationblack spruce

Behavior

Attracted to 3-methyl-3-buten-1-ol, the male-produced of Polygraphus rufipennis. Attraction is reduced when terpenes (bornyl acetate and β-pinene) are added to the ; 3-carene, myrcene, and α-pinene have partial inhibitory effects. The is hypothesized to use the aggregation pheromone as a for host .