The Insects of March
Boxelder bugs, Cluster flies
- Overwintered adults become active in and around homes.
Clover mites - Migrations of mites from lawns
into the south sides of buildings begin on warm days.
Firewood insects - Bark beetles and wood
borers emerge from stored wood in homes.
Ants - Foraging field ants hunt for sweet
materials in homes.
Oystershell scale - Scrape egg-laden scales off
the limbs of aspen and other plants with no-scratch, kitchen scrubbing pads.
Poplar twiggall fly - Larvae leave the galls to pupate in soil at the
base of tree.
Dormant oils - Now is the time to apply
dormant horticultural oils to control many insects (scales, aphids, and others) that
overwinter on the bark and twigs of trees and shrubs.
Pinyon needle scale -
Females produce cottony egg sacks on branches and trunks.
Engraver beetles - Engraver (Ips) beetles may be
active in warm periods. Protect recently transplanted pines.
Southwestern pine tip moth - Adults emerge from pupae at the base of
trees.
Spider mites on arborvitae - Watch for
population increases of this particular arborvitae spider mite.
Information provided courtesty of Whitney Cranshaw, Department of Bioagricultural Sciences
and Pest Management, Colorado State University.
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