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Posted by Brendan on October 26, 2015


Also known as "occasional invaders" typically only entering structures to escape harsh colder weather. Unable to survive inside a structure for long periods of time they will find a warm place to overwinter and some even to hibernate. These fall home invaders include:

HOME INVADER #1: (Halyomorpha halys) or brown marmorated stink bugs overwinter in structures starting in late summer and early fall. These home invaders enter the house via soffits, eaves, siding, windows, doors, vents, and fireplaces. Some ways to help reduce these home invaders from entering your home are to remove foliage next to the home, turn off perimeter lights at night, remove potted plants and flowers near the house, and screen your windows, doors, and other structural openings.

HOME INVADER #2: (Coccinellidae) or ladybugs will come in through small cracks around windows, doorways and under clap boards. These home invaders want to hibernate in a warm, comfortable spot over the cold winter months. Ladybugs gather in groups when they hibernate, so if you see one, you can be sure more will follow. The best way to keep these home invaders out is to repair damaged clap boards, screen windows and door and caulk any small cracks.

HOME INVADER #3: (Harmonia axyridis) or Asian pumpkin bug like ladybugs spend winters hibernating indoors. If these home invaders gain entry they can be a pest all winter and if disturbed they will stress, releasing a yellow, smelly substance from their joints known as "reflex bleeding". It is a defensive mechanism for the insect to defend itself from predators. The best way to prevent an invasion is to caulk cracks and crevices around doors and windows, pipes that enter the house and replace or repair damaged clap boards. After penetrating the home, these home invaders typically return year after year, knowing this was a good site to rest. Pheromones released by them are detected by future generations. Also, location is an important factor they tend to invade homes that are nestled in forest or wooded areas.

HOME INVADER #4: (Boisea trivittata) or boxelder bugs make their homes in box elder, maple and ash trees during warmer seasons and invade buildings and homes to find shelter for the winter. These home invaders enter through small cracks and crevices, and remain inside to hibernate through fall and winter. While overwintering, they do not feed or reproduce. It is helpful to remove their nesting trees from the area surrounding your home, but the adults can still fly from locations off the property. If you choose to plant box elder trees in your yard, choose male trees: (non-seed-bearing) since female box elder trees are more susceptible to infestation. These invaders also enter through windows and doors; so screening windows and doors can help to keep box elder bugs from entering.

When fall invaders strike, call Guardian Pest Control! A Quality-Pro Certified technician will come to your home and put an end to ANY invasion in ANY season.


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CT Pest Control Association American Mosquito Control Association National Pest Management Association American Mosquito Control Association American Mosquito Control Association