Each year, a single generation of western conifer seed bugs is born. Adults lay their eggs between mid-June and early August. After approximately two weeks, nymphs emerge from eggs and require approximately five weeks to develop into adults. At the end of summer, the previous generation passes away, and the new adults begin searching for a warm place to spend the winter.
What causes Western conifer seed bug to thrive?
Keep them out by pest-proofing the exteriors of buildings – Caulk gaps and cracks around doors, windows, fascia boards, and similar areas, as well as where utility wires and pipes enter structures. Install storm windows and 18-mesh screens to prevent psyllid infestation.
Meet the Western Conifer Seed Bug!
You can vacuum up any elm seeds that accumulate in your yard. The synthetic pyrethroid insecticides permethrin, cyfluthrin, and bifenthrin are extremely effective against this pest.