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You don’t need a corn field to have cornfield ants.
Cornfield Ants (Lasius americanus) are one of the most abundant ants in the Midwest and can be found throughout the Northern Hemisphere. Cornfield ants don’t reside exclusively in corn fields. They get their name from caring for the destructive corn root aphid and transferring it from grasses to growing corn. Cornfield ants are frequently found nesting in lawns, and build visible, crater-like nests.
Cornfield ants may enter homes in search of food, but they very rarely nest in homes or other structures.
Cornfield ant colonies are incredibly resilient, energetic, aggressive, and will quickly take over its surrounding area, destroying any other ant colonies that happen to be inside its territory.
Their resilience and energetic activity make cornfield ants popular with ant keepers, also because they are easy to maintain and reproduce quickly.
Adam’s Gets Rid of Cornfield Ants Fast!
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Cornfield Ant Treatment Options
One-time Ant Treatment
Adam’s licensed pest management professional will apply a non-repellent material to the foundation, doors, windows, eaves, and overhangs to create a residual barrier around the exterior perimeter of your home; and will spot treat interior areas, as needed. Adam’s one-time ant treatment comes with a 3-month warranty.
Premier Ant Prevention
Never have ants again. Not only will Adam’s take care of your immediate ant problem, but we will proactively prevent ants from ever becoming a problem again. Most of our ant control customers prefer our 2x Premier Ant Prevention Service.
Premier Perimeter
Need to prevent more pests than just ants? Adam’s Premier Perimeter Program includes a minimum of 3 preventive barrier treatments around the exterior perimeter of your home for year-round prevention of common household bugs, including insects, spiders, and ants. Your Pest Management Professional inspects for pests, and then applies a season-specific, non-repellent, residual material to control common household pests before they can get inside. Comes with a 12-month guarantee.
Premier Home Pest Prevention
Adam’s best value for prevention and control of common household pests, including ants! Adam’s Premier Home Pest Prevention service provides year-round pest prevention with a minimum of four visits throughout the year. Service visits focus on the exterior of your home, where most pest problems originate. And should a pest problem ever occur between scheduled visits, the plan includes additional treatments at no additional charge. This program includes common household pests like spiders, centipedes, sow bugs, and roaches and seasonal pests like wasps, multicolored Asian lady beetles, boxelder bugs, and mice, as well as ants.
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More About Cornfield Ants
HOW CAN I TELL IF I HAVE CORNFIELD ANTS?
- Cornfield ants build visible, crater-like nests.
- Nest openings can be identified by the noticeable low mound of soil, several inches in diameter, in lawns and open areas.
- Cornfield ants will also nest under stones, bricks, and sidewalks, and in rotting logs and stumps.
- Cornfield ants rarely, if ever, nest inside structures and therefore are not considered house ants.
- Although nests are not located indoors, cornfield ants will sometimes forage in homes for sweet foods.
WHAT DO CORNFIELD ANTS LOOK LIKE?
- Cornfield ants are light to dark brown
- Workers are about 1/10” – 1/8” in length
- Queens range 3/16” – 3/8” in length
- Their eyes are large relative to the head
- The workers’ thorax is uneven in profile and the petiole has only one node
- Cornfield ants give off an acidic odor when crushed
ARE CORNFIELD ANTS DANGEROUS?
Not really. A cornfield ant bite may cause minor pain and itching, but the bite can be treated with basic over-the-counter medications to alleviate the pain and stop the itching.
CAN MY HOUSE OR LAWN BE DAMAGED BY CORNFIELD ANTS?
- No, cornfield ants do not generally cause damage to homes or property.
- They do contribute to the damage to corn fields by transferring aphids to corn stalks.
WHY ARE CORNFIELD ANTS IN MY HOUSE/YARD?
Cornfield ants adapt well to urban environments and can be found in cities, parks, lawns, and gardens.
WHAT CAN I DO TO PREVENT CORNFIELD ANTS?
Because cornfield ants are generally found in bare spots and thin grass, a healthy, thick lawn can help to prevent cornfield ants from starting a nest in your yard.
WHAT DO CORNFIELD ANTS EAT?
- Cornfield ants feed primarily on sweets, including the honeydew of aphids.
- They will also feed dead insects
WHAT IS THE CORNFIELD ANTS’ LIFECYCLE?
- Cornfield ants generally mate July through September.
- The swarming usually happens on hot, humid, sunny afternoons.
- The males die soon after mating.
- The newly fertilized queen flies off to start a new nest.
- Egg – Larva: 9-16 days
- Larva – Pupa: 9-13 days
- Pupa – Worker: 9-12 days