Residents Report Surge in Bee-Like Insects Amid Humid Evenings

As area residents contend with the hot, humid evenings of late summer, many have reported an increase in small, striped insects often mistaken for bees or wasps. Local and state entomologists, however, identify the insects as hoverflies, a harmless species currently experiencing a significant population boom.

The surge in the hoverfly population is being attributed to the region’s weather patterns over the past several months. A wet spring followed by a warm summer created ideal conditions for vigorous plant growth, which in turn supported large populations of aphids—the primary food source for hoverfly larvae. With an abundant food supply during their larval stage, a larger-than-usual number of hoverflies have survived to adulthood.

These insects, belonging to the family Syrphidae, are known for their convincing mimicry of stinging insects, sporting yellow and black patterns to deter predators. This effective disguise is leading to confusion and concern for homeowners, particularly in the evenings when the flies are drawn to residential and commercial lighting.

Unlike bees and wasps, hoverflies are incapable of stinging or biting. They can be distinguished by their single pair of wings (bees and wasps have two pairs) and their unique flight pattern, which includes the ability to hover motionlessly in mid-air.

While the adult flies feed on nectar and are considered important pollinators, their larval stage is highly beneficial for gardens and agriculture, as they are voracious predators of aphids and other common plant pests. While some residents may view their increased presence as a nuisance, experts consider the population boom a natural occurrence and an indicator of a functioning local ecosystem. The number of hoverflies is expected to decrease as temperatures cool heading into the autumn months.