The little brown bat, a mouse-eared microbat, is an endangered species native to North America. Nocturnal by nature, it seeks roosting places during the day and sometimes chooses buildings in the Bensalem area.
Despite common fears, little brown bats are beneficial as they aid in pollination and consume large quantities of insects. However, their population has significantly declined due to white-nose syndrome, with an estimated 90% loss in the Northeastern U.S.
Because of conservation efforts, it is illegal to kill little brown bats. Professional exterminators must follow humane methods for bat removal, ensuring compliance with Pensylvania laws.
Due to regulations, property owners should not attempt bat removal themselves. Professional pest management services can also provide decontamination to prevent health risks from bat infestations.
These bats have glossy brown fur and a body length of 3 to 5 inches. Their wingspan reaches up to 11 inches, and females are generally larger than males. Their dark brown wing membranes and small ears make them easy to identify.
Little brown bats primarily consume aquatic insects such as mosquitoes, mayflies, caddisflies, and midges. They also eat crane flies, moths, beetles, gnats, and wasps. Bats living near water sources or wooded areas are more likely to infest nearby buildings.
These bats occupy both day and night roosts. Day roosts include caves, tree hollows, or building eaves, while night roosts are often nearby. Female bats form large communal roosts, while males tend to roost alone or in smaller groups.
Bat droppings and urine contain uric acid, which can corrode wood, clay, and brick. Long-term infestations can lead to expensive structural damage. Additionally, bats may damage building exteriors by frequently entering and exiting.
Little brown bats are generally non-aggressive and view humans as predators. However, if a bat enters a home, it may panic if threatened. Bites and scratches can occur, often unnoticed. If contact occurs, seek medical attention immediately.
The best way to remove a bat indoors is to open exterior doors and windows. The bat's echolocation will help it find its way out.
Though rare, some bats carry rabies, which can be transmitted through bites. Additionally, bat guano may contain fungal spores that cause Histoplasmosis, a lung disease. Bat infestations can also introduce bat bugs, a close relative of bed bugs.
Bat removal is complex and regulated by state laws. A licensed pest control professional should handle bat removal, decontamination, and prevention to ensure safety.
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Courtesy: National Pest Management Association
