IWC Flashcards
1
Q
Hosts and range
A
Seedlings (I year old)
2
Q
Biology
A
Larva: long lived (2 year larva plus 3-4 yr flightless adult)
Prefers herbs (DAMAGE BY ADULT). Will hit root collar of seedlings if no herbs. Prefers young tender foliage(nursery trees, 1 year old trees over naturals and 2 year olds)
3
Q
S and S
A
Scattered seed mortality
Girdling at base of seedlings
4
Q
Damage
A
Localized outbreaks
Logging creates temporary habitat
Pop grows 2nd-3rd year after logging
Damage only if there are no herbs
5
Q
Mgmt
A
If weevil damage detected nearby
Delay planting 1-2 years, consider planting 2 year old seedlings
If damage, fill plant with 2 y old stock
6
Q
IWC
A
Conifer Seedling Weevil