The southern pine beetle damages pine trees all over the southern United States. The female beetle finds a tree, digs holes in the wood and lays her eggs deep inside the tree. An egg hatches, and the larva eats wood inside the tree. Then is crawls to the wood just under the bark, where it becomes a pupa. Once the pupa turns into a beetle, its crawls out of the tree and flies away. How many states of the southern pine beetles life cycle are spent entirely in a tree?

PLANT AND WOOD ANATOMY

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

The southern pine beetle damages pine trees all over the southern United States. The female beetle finds a tree, digs holes in the wood and lays her eggs deep inside the tree. An egg hatches, and the larva eats wood inside the tree. Then is crawls to the wood just under the bark, where it becomes a pupa. Once the pupa turns into a beetle, its crawls out of the tree and flies away. How many states of the southern pine beetle’s life cycle are spent entirely in a tree?

A	1
B	2
C	3
D	4

Explanation:

Detailed explanation-1: -Too many mature trees, which compete for limited amounts of water and nutrients causes individual trees to be less vigorous and less able to repel attacks by insects. Outbreaks frequently occur after drought periods that have weakened tree defenses.

Detailed explanation-2: -noun. : any of several buprestid beetles especially of the genus Dendroctonus the larvae of which bore in pine trees in North America.

There is 1 question to complete.

OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY