Comprehensive Guide to Miller Moths

Welcome to OMNIS Pest Control’s comprehensive guide to Miller Moths. As a leading pest control service provider in Castle Rock, Colorado, and surrounding cities, we aim to equip homeowners with knowledge about common pests and effective control methods.

Are You Currently Experiencing a Moth Issue?

Contact OMNIS Pest Control today. Let us return your home to the peaceful, comfortable space it should be. We’re here to help Castle Rock homeowners live pest-free.

miller moth larval state cutworm on a leaf

Miller Moth Lifecycle and Biology

Miller Moths are a species found throughout North America, with a life cycle that involves four stages: egg, larva (also known as an army cutworm), pupa, and adult.

Miller Moth season in Colorado typically starts in May and goes into early June. The lifecycle of a Miller Moth begins when eggs are laid in primarily weedy areas or fields of crops. The moths originate from fields across eastern Colorado and adjacent areas of western Kansas and Nebraska. They follow flowering plants on their westward migration.

In the spring, cutworms transform into pupae, and eventually, they emerge as adult Miller Moths. Adult Miller Moths are known for their migration behavior. They start in the plains and migrate towards the mountains in late spring and summer. Then they revere migrate and return to the plains in the fall to lay eggs and start the annual cycle again.

Despite being a nuisance, Miller Moths play a role as pollinators during their migration.

miller moth adult stage

Facts About Miller Moths

Miller Moths, scientifically known as Euxoa auxiliaris, are a common sight in many Colorado homes and businesses.

They are often found near light sources and can be a nuisance due to their large numbers.

These moths are most active during their migration season, which usually occurs from late spring to early summer.

They are typically gray or brown with a wingspan of 1.5 to 2 inches.

Why are Miller Moths Considered Pests?

Despite being harmless to humans and pets, Miller Moths are considered pests due to the inconvenience they cause. They are attracted to light and often enter homes, leaving behind unsightly stains on walls and curtains when crushed. Additionally, their larvae, known as cutworms, can cause significant damage to garden plants and crops.

miller moth bottom isolated

Pest Threat Level


Miller Moth Pest Threat Level

The reason for giving them a relatively low rating is that, although they have a tendency to invade homes and businesses in large numbers, they don’t pose a health risk to humans or pets. They are mainly a nuisance pest, which justifies a rating of 3 out of 10.

However, in their larval state, they are known as cutworms. As cutworms, they can pose a moderate threat to agriculture and gardens, causing damage by “cutting through” a wide range of crops and plants. Hence a rating of 4 out of 10 for the damage their larvae cause.

How to Identify a Miller Moth Infestation

Signs of a Miller Moth infestation include seeing a large number of moths around lights, finding them in your home or business, and noticing damage to your plants caused by cutworms. If you identify these signs, it may be time to call the professionals at OMNIS Pest Control.

Preventive Measures Against Miller Moths

Prevention is always better than cure. Our quarterly pest control prevent many pests from even arising.

Other preventive measures include sealing cracks and openings around windows and doors, turning off lights to make your home less attractive to moths, and regularly checking and maintaining your garden to control cutworms.

miller moth swarm near neon lamp
miller moth swarm near street lamp

OMNIS Pest Control’s Approach to Miller Moths

At OMNIS Pest Control, we take a comprehensive approach to effectively manage Miller Moth infestations. Our expert team conducts thorough inspections and implements environmentally friendly routine treatments to keep moth and other pest populations under control. We prioritize the use of effective methods that are safe for the environment, ensuring that your space remains pest-free.

Choosing professional pest control ensures the problem is dealt with effectively and efficiently. Our team at OMNIS Pest Control is trained to handle Miller Moth infestations, minimizing disruption to your daily life and ensuring a moth-free environment.

Bryce and his team are reliable. Scott is my technician and he is through, respectful, and prompt. Highly recommend!

-Michele W. Google Review 1/21/2024

More testimonials from our satisfied customers

Our Commitment to Your Moth-Free Environment

While Miller Moths are not dangerous, their presence in large numbers can be a nuisance. With preventive measures and professional help from OMNIS Pest Control, you can keep your home or business Miller-Moth-free and pest-free.