Urgent Action Against Asian Hornets: Protecting Ireland’s Pollinators
Ireland is facing a growing challenge with the arrival of the Asian hornet (Vespa velutina), an invasive species posing a notable threat to our native pollinators, notably the Irish honeybee. Recent developments, including the finding of a second nest, are prompting swift action from the National Parks and Wildlife Service (NPWS). Here’s a comprehensive update on the situation, what’s being done, and how you can help.
The Threat: Why Asian Hornets Matter
Asian hornets are apex predators with a voracious appetite for insects. Unlike Irish honeybees, which haven’t evolved defenses against this predator, they are incredibly vulnerable.
A single nest can consume approximately 11kg of pollinator insects in just one season.
This predation directly impacts biodiversity and threatens the crucial pollination services vital for our ecosystems and food production. the hornets particularly target honeybees,but also feed on other beneficial insects like hoverflies and butterflies.
Rapid Response: Tracking and Nest Removal
the NPWS is working diligently to locate and remove Asian hornet nests. Recent successes demonstrate a significant leap forward in their capabilities.
Cobh Nest Discovery: A second nest was quickly located in Cobh, County Cork, thanks to the deployment of miniature electronic tracking devices. This contrasts sharply with the previous nest removal in Ballintemple. Technological Advancement: The Ballintemple nest search relied on a time-consuming method of painting insects to track their flight paths. The new tracking devices, costing around €120 each, dramatically reduce search times – from over two weeks to just two days.
Nest Removal Protocols: The NPWS is applying refined protocols, perfected during the Ballintemple removal, to safely and effectively eliminate the Cobh nest. The priority is to neutralize the nest before any new queen hornets emerge and establish further colonies.
Recent sightings & Genetic Analysis
Beyond the confirmed nests, isolated sightings are also being investigated.
Inchicore, Dublin 8: A sterile female Asian hornet was photographed in Inchicore in July, but the sighting wasn’t reported to the NPWS until August. Experts believe this individual likely arrived as a stowaway on a container ship or within imported goods.
No Local Nest Suspected: There have been no further reports of Asian hornets in the Dublin region, leading experts to believe the Inchicore sighting wasn’t linked to a local nest.
Genetic Analysis: Dr. Aidan O’Hanlon, an entomologist at the National Museum of Ireland, emphasizes the importance of analyzing samples from new nests. This will help determine if the hornets originate from the same genetic pool,providing insights into the invasion’s origins and spread.
What You Can Do: Reporting and Responsible Action
public participation is crucial in combating this threat. However,it’s vital to avoid actions that could inadvertently harm other insects.
Do Not Attempt Homemade Traps: Áinle Ni Bhriain, director of EU and International Affairs at the NPWS, strongly advises against using homemade traps. These traps indiscriminately kill beneficial insects – bees,wasps,hoverflies,and butterflies – alongside potential hornets.
Report sightings Immediately: If you suspect you’ve seen an Asian hornet, do not attempt to capture it. Instead:
1. Take a clear photograph.
2.Submit the photo to invasives.ie.
3. The NPWS will investigate promptly.Identifying the Asian Hornet
It’s vital to be able to distinguish Asian hornets from native species. here are key characteristics:
Smaller than the european Hornet: asian hornets are generally smaller.
Dark Abdomen: They have a predominantly dark abdomen with a single, prominent yellow band near the rear. Yellow leg Tips: Distinctive yellow tips on their legs.
* Aggressive Pollinator Hunting: They are frequently enough observed actively hunting honeybees near hives.Looking Ahead
The situation with Asian hornets is evolving rapidly. The NPWS is committed to ongoing monitoring, research, and rapid response efforts. Your vigilance and responsible reporting are essential to protecting Ireland’s precious pollinator populations. By working together, we can mitigate the impact