animals

Residents across Cork are being advised to secure their homes against an imminent surge in flying ant activity as warm, humid weather triggers the annual mating season. According to Rentokil, Ireland’s leading pest control provider, the combination of recent rainfall and rising temperatures creates optimal conditions for these swarms to emerge, potentially leading to indoor infestations if entry points remain unsealed.

Why do flying ants swarm during summer?

Flying ant swarms are a natural reproductive cycle where winged ants leave their colonies to mate and establish new nests. Colm Moore, Regional Technical Manager for Rentokil, explains that while the phenomenon is often referred to as “Flying Ant Day,” it is actually a series of events that can span several weeks throughout the summer months. These insects emerge primarily when weather conditions are warm and settled, often following periods of summer rainfall, which softens the ground and facilitates colony expansion.

How can you prevent ants from entering your home?

Preventing an infestation requires proactive maintenance before the peak of the swarming season. Rentokil advises property owners to focus on physical barriers and sanitation to discourage ants from settling indoors. Recommended steps include:

• Seal entry points: Use caulk or sealant to close gaps around windows, doors, and pipework where ants may gain access.
• Manage food sources: Clean up crumbs and spills immediately, particularly in kitchens, and store food in airtight containers.
• Maintain hygiene: Empty household bins regularly and ensure lids are tightly secured.
• Control vegetation: Trim tree branches and shrubs that touch the exterior of the building to remove “bridges” for insects.
• Install screens: Use fly screens on windows and doors to allow for ventilation while keeping insects out.

What happens if ants establish a colony inside?

The primary risk of a flying ant event is not the swarm itself, but the potential for worker ants to gain a foothold inside a structure. Once a worker ant discovers a reliable food source, it leaves a pheromone trail that acts as a signal for the rest of the colony. According to Rentokil, this behavior allows infestations to develop rapidly. If residents notice persistent or widespread ant activity, the company recommends contacting a professional pest control service to manage the colony before it becomes a long-term issue.

Frequently Asked Questions

Are flying ants dangerous to humans?

No. Flying ants are generally harmless, though they can be a significant nuisance when they swarm in large numbers around homes and businesses.

Do I need an exterminator for flying ants?

Not usually for the swarm itself, as it is a temporary event. However, if ants gain access to your home and establish a nest, professional intervention may be required to eliminate the colony.

How long does the swarming season last?

While often perceived as a single day, the swarming period typically occurs in waves over several weeks during the summer, depending on weather fluctuations.

Have you noticed an increase in ant activity around your property this week? Share your experience in the comments below or sign up for our daily newsletter to stay updated on local environmental news.

Thousands of Velella velella, commonly known as “by-the-wind sailors,” have washed up on beaches across Cork, Ireland, due to strong seasonal winds. According to Wetland Surveys Ireland, these hydrozoans are distant relatives of jellyfish that rely on a rigid sail to drift across the ocean. While generally harmless to humans, experts advise against handling them, and pet owners should prevent animals from ingesting them to avoid potential irritation or nausea.

What are “by-the-wind sailors”?

Despite their appearance, Velella velella are not jellyfish. Wetland Surveys Ireland identifies them as hydrozoans, a biological cousin to the Portuguese Man O’War. Each organism features a translucent, stiff sail set at an angle across its body. This sail acts like a rudder, catching gusts of wind to propel the creature across the open ocean. Because they lack a means of self-propulsion, they remain entirely at the mercy of prevailing wind patterns, which dictates their migration and, eventually, their mass strandings.

Why do mass strandings occur?

Mass strandings happen when strong onshore winds push entire colonies toward the shore simultaneously. Recent reports from the Skibbereen Notice Board confirm thousands of these vibrant blue creatures appearing along coastlines near Baltimore, Kinsale, and Youghal. When these winds align with the organisms’ specific sail orientation, they are funneled onto beaches in high concentrations. This natural phenomenon is not a sign of environmental collapse but rather a reflection of seasonal wind intensity.

Are these creatures dangerous to humans or pets?

The toxins found in Velella velella are relatively mild compared to their more dangerous relatives. Wetland Surveys Ireland notes that the creatures use tiny stinging cells primarily to capture plankton. For humans, contact may cause minor skin irritation, so observers should admire them without handling them. However, the risk is higher for pets. Veterinarians warn that dogs licking or biting the washed-up creatures may suffer from vomiting, nausea, or severe oral irritation.

Future trends for coastal wildlife

As seasonal weather patterns become more volatile, marine biologists expect to see more frequent reports of pelagic species washing ashore. The increased visibility of these events is bolstered by social media, where community groups like the Skibbereen Notice Board now provide real-time data to researchers. This citizen science approach allows experts to track population distributions more accurately than in previous decades, providing a clearer picture of how oceanic currents influence marine life migration.

Frequently Asked Questions

Are by-the-wind sailors toxic?

They carry mild toxins used for catching plankton. They are generally harmless to humans, though they can cause mild skin irritation. They can be toxic to pets if ingested.

What should I do if I see them on the beach?

Do not touch them. Keep children and pets away from the tideline where the creatures are concentrated. If you are interested in marine life, take a photo from a distance for local naturalist groups.

Why are they blue?

Their vibrant blue color provides camouflage against the surface of the ocean, protecting them from predators like seabirds and fish while they drift at the water’s surface.

Have you spotted by-the-wind sailors on your local beach? Share your photos and observations in the comments section below, or subscribe to our coastal newsletter for more updates on marine life sightings in your area.