Bark Beetles

3. _____occurs soon after the spring emergence.
4. The genus ____ is represented by a number of eastern species.
10. The ____ range from 1.5 mm to 2.2 mm in length
11. Bark beetles commonly attack trees weakened by drought, disease, _____, or lack of proper cultural care.
12. There are numerous _____ of bark beetles which attack weekend or dying pine, spruces and firs.
14. Peach bark beetle is found in southern _____
15. The peach bark beetle spends winter as young adults in galleries beneath the _____.

1. Adults may ____ and construct several additional galleries during the season.
2. Damage to the ____ layer and the outter cortex often causes gummosis and localized growth abnormalities.
5. Chemical ____ are effective in protecting high value trees.
6. usually attack trees that are under..?
7. Tree crowns will begin to fade from green to ____ to red to brown as the infestation progresses.
8. Trees are rarely killed but are usually _____ which may predispose the tree to other diseases or insects.
9. A total of 13,622 non native bark and _____ beetles from 52 species were recovered from the survey.
13. adults and larvae may be found in the ____ bark