June bugs, those clumsy brown beetles that appear en masse during summer evenings, are a common sight around porch lights. You’ve likely experienced them bumping into you or clinging stubbornly to your skin. Finding them upside down on sidewalks the next morning is also a familiar occurrence. But beyond their somewhat bothersome presence, what exactly are June bugs, and can they actually fly?
To understand these creatures better, it’s helpful to know they belong to a group of nearly 300 beetle species, related to the revered scarab beetles of ancient Egypt. Much like the scarab symbolized renewal for the Egyptians, the June bug’s name reflects its timely arrival in late spring and early summer, coinciding with nature’s reawakening. However, there’s much more to these insects than their reputation as clumsy, crunchy sidewalk dwellers.
What Do June Bugs Look Like?
June bugs, also known as June beetles, typically measure between ½ to 1 inch in length. While most species exhibit a reddish-brown hue, some can also be a dark green color. A distinctive feature is their shiny, metallic-looking belly, which can be brown or green. Beneath a smooth, protective shell, June bugs possess two sets of wings. Adding to their somewhat ungainly nature, they have barbed legs that enable them to grip onto various surfaces, sometimes a little too effectively for our liking.
In their larval stage, June bugs are known as grubs. These grubs are plump, white, worm-like creatures, about 1 inch long, with brown heads and legs. Gardeners and homeowners may encounter these grubs when tilling soil or working in the garden, as they reside underground.
The June Bug Life Cycle Explained
The life cycle of a June bug is quite fascinating. Female June bugs lay a significant number of eggs, ranging from 50 to 200, just beneath the soil surface between midsummer and fall. After approximately 3 to 4 weeks, these eggs hatch into larvae, the aforementioned grubs. These grubs spend a considerable amount of time underground, ranging from three months to as long as three years, feeding on grass roots and other plant roots near the surface. As winter approaches, they burrow deeper into the soil to hibernate.
With the arrival of spring and early summer, the grubs transition into pupae. Within about three weeks, these pupae develop into fully formed adult June bugs. Adult June bugs are primarily herbivores, feeding on leaves and plants throughout the summer before laying their own eggs in the fall. The lifespan of an adult June bug is around one year. Similar to their larval stage, adult June bugs will also burrow into the ground to hibernate during the winter months.
Do June Bugs Bite Humans?
Fortunately, June bugs are not known to bite humans. Their small mandibles are designed for grasping and chewing plant matter such as leaves, flowers, and bark. They are simply not structured to bite through human skin. While they may be a nuisance due to their sheer numbers and clumsy flight, June bugs pose no health risk to humans and do not carry diseases.
So, Can June Bugs Actually Fly?
Yes, June bugs are indeed capable of flight. They are equipped with two sets of wings, which allows them to take to the air. However, they are not particularly skilled or graceful fliers. Their bodies are relatively large and heavy, which limits their flight endurance. June bugs can only sustain flight for short durations before becoming exhausted.
This lack of flying prowess often leads to them ending up on their backs after overexerting themselves in flight. This is a common sight – June bugs struggling to right themselves when flipped over. Their flight attempts are often characterized by erratic buzzing and clumsy movements, contributing to their reputation as somewhat comical insects.
The Real Issue: June Bug Larvae
While adult June bugs themselves are relatively harmless, aside from being a minor annoyance and potentially nibbling on your garden shrubs, the real problem lies with their larvae, the grubs. Each female June bug lays a substantial number of eggs, and these hatch into hungry grubs that can cause significant damage to lawns and gardens by feeding on plant roots.
Signs of a grub infestation in your lawn can include:
- Brown or gray patches appearing in your lawn.
- Small holes visible in the grass.
- Increased mole activity in your yard, as moles prey on grubs.
- Missing swaths of grass, as the roots are eaten away.
In years where grub populations boom, the damage to lawns and gardens can be substantial, requiring intervention to manage these pests.
Effective Methods to Manage June Bugs and Grubs
To protect your lawn and garden, several methods can be employed to control June bug populations and their larvae:
- Trapping Adult June Bugs: A simple trap can be made using a narrow-necked bottle filled with a mixture of water and molasses or another sweet liquid. This attracts adult June bugs, reducing their numbers and consequently limiting egg-laying in your yard.
- Milky Spores Application: Milky spores are a naturally occurring bacteria found in soil that specifically target and kill grubs. Grubs ingest these spores, which then multiply within their bodies, eventually causing death. This method is most effective in warmer climates with moist soil conditions.
- Beneficial Nematodes Introduction: Beneficial nematodes are microscopic worms that act similarly to milky spores. These nematodes parasitize garden pests, including grubs, leading to illness and death. They are most effective when applied in mid to late summer when grub infestations are typically at their peak.
- Soil Tilling: If you notice damaged areas in your lawn, tilling the soil in those spots can expose and uproot grubs. These grubs can then be removed manually. As an added benefit, grubs are excellent fishing bait.
- Commercial Pesticide Use: While generally not recommended for routine use, commercial pesticides can be considered in cases of severe grub infestation. September is often the optimal time for application, after gardens have been harvested but while grubs are still near the surface. For significant June bug problems, consulting a pest control expert can provide tailored and effective solutions.
Professional Pest Control for Summer Insect Issues
The exact reason why June bugs are drawn to light remains somewhat of a mystery. However, what is clear is that professional pest control services offer the most reliable solutions for managing June bugs and other summer pests. If you are struggling with June bugs or other unwanted insects around your home and garden, reaching out to pest control professionals can provide effective and lasting relief, ensuring a more enjoyable and pest-free summer.