Our gardens, often seen as personal sanctuaries of beauty and tranquility, are in fact bustling microcosms of the larger ecological web. Whether we are basking in the miracle of a newly emerging plant from the ground or maybe recoiling in fear of a flying stinging insect, these things we are witnessing serve an important role in our garden communities. Understanding the ecological purpose of these creatures can transform our perception, turning fear into appreciation and fostering a more harmonious coexistence.

Yellow Jackets: More Than Just Picnic Crashers

Before you turn the page, please consider the yellow jacket, which is not one specific species, but rather one of many species of the member of the wasp family. The mere mention of yellow jackets often conjures images of painful stings and disrupted outdoor gatherings. Yet, these insects, comprising numerous wasp species with distinctive yellow and black markings, are crucial components of our garden ecosystems. Yellow jackets are easily recognized by their bright yellow and black banded abdomens, slender bodies, and quick, darting flight. They are typically smaller than hornets.

Yellow jackets are voracious predators, feeding on a variety of insects, including flies, caterpillars, and other pests that can damage garden plants. They also act as scavengers, cleaning up decaying organic matter. Their role in controlling pest populations makes them invaluable allies in maintaining garden health.

Not that anyone goes looking for them, avoid disturbing their nests, as you are able. Block off area where you know in-ground nests occur, taking in account the flight-line of the hole, as well. If you do have a run-in with them, avoid swatting or running away to minimize the risk of stings. If a yellow jacket lands on you, remain calm and avoid sudden movements. Keep food and drinks covered when outdoors, and dispose of garbage properly. Consider placing sweet baits (or a dead fish, like Clemson suggests!) away from high-traffic areas to draw them away from human activity

Cicada Killers: Gentle Giants of the Garden

These imposing wasps, with their large size and intimidating appearance, can cause alarm when they start flying around in August and September, especially. However, cicada killers are generally docile and play a vital role in controlling cicada populations.They are among the largest wasps, often reaching two inches in length. They have dark bodies with yellow or white markings and are known for their powerful flight. We commonly get calls that people have spotted the “murder hornet” when they start seeing these. Trust us, it probably isn’t!

As their name suggests, cicada killers prey on cicadas. The female wasp stings and paralyzes a cicada, then carries it back to her burrow, where she lays an egg on it. The larva hatches and feeds on the cicada, providing natural population control. This helps prevent cicada overpopulation, which can damage trees and other plants.

While they may appear intimidating, cicada killers are not aggressive towards humans. Males may exhibit territorial behavior, but they lack stingers. Females will sting if directly threatened, but are generally not prone to attack. Leave them undisturbed. Their presence indicates a healthy ecosystem. Avoid disturbing their burrows, which are typically found in sunny, well-drained areas.

BOLO: Yellow-Legged Hornets - An Invasive Threat

While many wasps are beneficial, the yellow-legged hornet (Vespa velutina) poses a significant threat to native ecosystems and honey bee populations. Yellow-legged hornets are characterized by their dark brown to black bodies, a distinct yellow band on the fourth abdominal segment, and yellow tips on their legs. They are smaller than European hornets.They have been detected in Georgia and South Carolina, and North Carolina is on the look-out for sightings of this invasive species. The yellow-legged hornet is native to Southeast Asia, but has spread to Europe and poses a risk to North America. They are known to be aggressive predators of honey bees and other beneficial insects. If you suspect you have seen a yellow-legged hornet, take a clear photo and report it immediately to your local Cooperative Extension Office. Early detection is crucial for preventing their establishment and spread. Beekeepers need to be especially cognisant of this pest.

Embracing Ecological Harmony

The presence of insects, even those we perceive as dangerous, is a testament to the intricate balance of our gardens. Rather than reaching for the insecticide at the first sign of a wasp, consider the ecological role these creatures play. We always recommend identifying a perceived pest before acting. N.C. Cooperative Extension can provide valuable assistance in insect identification and management. We want you to be able to make an informed decision and use appropriate control measures! This saves you time and money!

So, if the insects pose no immediate threat, consider allowing them to live. Their presence can contribute to a healthier, more balanced ecosystem. Attract birds and other insect predators by providing habitat and food sources. This can help naturally regulate insect populations. Plant a wide variety of native plants to attract a diverse range of insects and other animals. A diverse ecosystem is more resilient and better equipped to handle pest outbreaks.

By fostering a deeper understanding of the ecological roles of insects, we can transform our gardens into thriving ecosystems, where both humans and wildlife can coexist in harmony. Let us embrace the buzz, not fear it, and appreciate the intricate web of life that surrounds us.

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Amanda Bratcher is the horticulture agent with N.C. Cooperative Extension- Lee County Center. You can reach out to the office at 919-775-5624 for more information or questions regarding this article, but also any other questions about your garden, farm, land or plants! We’re here to help! You can check out our website at https://lee.ces.ncsu.edu/events/ for more information and to register for upcoming programs.

This article originally appeared in The Sanford Herald in March 2025. You can read more articles from the Herald here: https://www.sanfordherald.com/.

Resources:

• Clemson Yellow Jacket Profile
• University of Florida Yellow Jacket Profile
• Purdue University Profile of Cicada Killers
• Cicada Killer Profile from NC State University
• APHIS Yellow-Legged Hornet
• Report sightings in North Carolina