13548 S 220th Suite #2
Gretna, NE 68028
the community below:
Grant and Megan
Tree insect problems
Sapsucking insects – pine needle scale
3. Pine needle scale
Mostly found in pine and spruce trees.
Mature scales are tiny insects that are covered by a
white, oblong, waxy protective covering that is 2.5 to 3 mm in
Scales overwinter as eggs beneath female scales on the
needles. In mid-May (eastern Nebraska) crawlers hatch and
migrate to new needles on the tree. The crawlers then molt to
an immobile nymph stage that feeds on the sap and secretes
the scale covering. In the Central Great Plains (central
Nebraska), scales mature in July and lay eggs for a second
generation. In the Northern Great Plains, scales mature and lay
eggs in the fall.
By August needles become spotted with white elongated
scales. Damaged needles are discolored and may fall prematurely.
Severely infested trees are less vigorous and occasionally
may be killed.