The western conifer seed bug’s consumption of Douglas-fir seeds and seeds of various other species of pine results in a substantial loss of seed crop. Thus, its direct economic impact is a reduction in the quality and viability of conifer seed crops.
The western conifer seed bug, Leptoglossus occidentalis, sometimes abbreviated as WCSB, is a species of true bug (Hemiptera) in the family Coreidae.It is native to North America west of the Rocky Mountains (California to British Columbia, east to Idaho and Nevada) but has in recent times expanded its range to eastern North America, to include Connecticut and New Hampshire, and has become an ...
Western Conifer Seed Bug (Leptoglossus occidentalis) Identification. The Western Conifer Seed Bug isn’t seen very much during the summer months. Its summer habitat is among pine trees, Douglas firs and other types of cone-producing trees. The main diet of this bug comes from the seeds of the cones.
The western conifer seed bug is a unique-looking insect that was first discovered in the western United States (hence the name). This bug feeds on the seeds and immature cones of multiple species of conifers and hybrid trees. Over the course of time, the bug has spread further east and can now be found in Pennsylvania and Maryland.
Western conifer seed bugs are also sometimes mistaken for assassin bugs (Reduviidae family). They may similarly share an overall elongate body form and pointed head but there are many physical differences to separate them. Perhaps most obvious is the broad thickening of the hind legs on the wester conifer seed bug.
Often confused with the stink bug due to a similar shape and the ability to release a bitter smell, the West Conifer Seed Bug is a tree bug that feeds on the sap of conifer trees (its preference) or other trees. While their name implies they are a Western insect, they have extended their range across the US, and are now a common sighting in New England.
The Western Conifer Seed Bug also seeks the warmth of your home to bunker down in for the winter. It’s often misidentified as a Stink Bug, Cockroach or as the biting “Kissing Bug” due to its vaguely similar appearance. However, you will not find Kissing Bugs in New England and Stink Bugs are not as common to the region either.
The western conifer seed bug is a brown insect less than 1 inch long that feeds off seeds and immature cones of conifer trees. Although the insects were first identified in the western U.S., seed bugs are also found along American and Canadian border regions and in the northeast U.S.
The most common leaf-footed bug in Canada is the western conifer seed bug, which likes living in wood piles, under peeling bark, in tree cracks and feeds on the seeds of different types of pine and fir trees. When the weather turns cold, they seek out shelter indoors, on walls, windows, and in barns and other manmade structures.
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