Warning signs of wasps

Wasps can become a serious nuisance—especially in the warmer months. While a few buzzing around the garden might seem harmless, a hidden nest on your property can quickly turn into a real danger. Knowing the warning signs early can help you avoid painful stings, allergic reactions, or infestations. In this article, we explain what to watch out for and when to call in the professionals for wasp control Doncaster by Topline Pest Control Ltd. So, what are the warning signs of wasps?

A High Number of Wasps Nearby

One of the clearest signs of a problem is spotting more wasps than usual in or around your home. If you’re seeing several wasps hovering in the same area—near windows, rooflines, sheds, or even indoors—it’s likely that a nest is nearby.

Wasps are highly territorial, so increased activity often means they’re guarding their nest. It’s important not to approach or disturb the area. Instead, contact a professional. Learn more about our safe and efficient Wasp Nest Removal service available across Doncaster.

Buzzing or Scratching Sounds in Walls or Roofs

Wasps often nest in lofts, wall cavities, garages, and under eaves. If you hear a faint buzzing, tapping, or scratching sound, especially during warmer months, this could be a sign of a hidden nest.

The noise may grow louder as the colony expands. This can be especially noticeable in the early morning or late evening when the wasps are most active. Never try to access or disturb a suspected nest—seek professional support from Topline Pest Control Ltd, specialists in wasp control Doncaster.

Visible Nest Structures

Wasp nests are usually grey and papery, shaped like a ball or teardrop. They’re often tucked into sheltered locations such as roof spaces, sheds, lofts, or wall cavities. In early summer, nests start small but can grow rapidly, housing thousands of wasps by late summer.

If you see a nest, do not try to remove it yourself. Wasps become highly aggressive when threatened and can swarm in defence. For safe treatment, visit our Pest Control Services page to find out how we handle infestations quickly and safely.

Wasps Entering Small Holes or Cracks

Watch for wasps repeatedly entering the same hole in brickwork, air vents, soffits, or under roof tiles. This behaviour often points to an entry point to a hidden nest. Wasps will come and go frequently as they build their colony and gather food.

These entry points are usually close to the nest itself, even if it’s not visible from outside. Professional pest controllers have the right tools and safety gear to locate and treat the nest thoroughly. Learn more about our Domestic Pest Control solutions for homes across Doncaster.

Aggressive Behaviour or Stings

If wasps are acting more aggressively than usual—buzzing close, chasing, or stinging unprovoked—this is a sign they feel threatened. It’s also an indicator that a nest may be nearby and the colony is actively defending its territory.

Wasps are particularly aggressive in late summer when food sources are low. If you’re getting stung or see wasps targeting pets or children, it’s time to call for wasp control Doncaster by Topline Pest Control Ltd before someone gets seriously hurt.

Unpleasant Smells Near Lofts or Rooflines

A less common but notable warning sign is a strong, unpleasant smell—especially near lofts or attic spaces. Dead wasps, decaying food brought back to the nest, or decomposing nests from previous years can all produce foul odours.

In such cases, you might be dealing with an old, untreated infestation or even multiple nests. Our experts at Topline Pest Control Ltd can assess and treat the issue safely and thoroughly. If you’re not sure what you’re dealing with, reach out to us for advice.

Increased Insect Activity Around Bins or Food

Wasps are attracted to sweet smells, meat, and food waste. If you’re noticing a surge in wasp numbers around bins, pet food, or outdoor eating areas, this could indicate a nearby nest. Wasps feed on sugary substances and protein, so any food source will attract them.

Keep bins tightly sealed and avoid leaving food or drinks outside for long. If the problem persists, our Commercial Pest Control team can help protect your business or property.

Contact Us

Don’t wait for a wasp problem to get out of hand. If you’ve noticed any of the warning signs of wasps as above, it’s time to act. For fast, safe, and professional wasp control Doncaster by Topline Pest Control Ltd, get in touch with our team today.

Visit our Contact Page to request a call-back or book an inspection. We’re here to protect your home or business—safely and discreetly.