Publications for:

pest = Ips perroti
crop = Pine (Pinus)

found 2 publications:

2001

Resource partitioning and overlap in three sympatric species of Ips bark beetles (Coleoptera: Scolytidae)
Oecologia (2001) 128 (3), 443-453
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2000

Cold tolerance of four species of bark beetle (Coleoptera: Scolytidae) in North America
Environmental Entomology (2000) 29 (3), 421-432
pestinfo wiki