These insects, all featuring yellow and black stripes with six legs and wings, are commonly found in Ireland. Although they share similar appearances, they are distinct species with unique traits. It’s easy to confuse them at first glance, but understanding their differences is important. Let’s explore the shared traits and differences among hornets, wasps, and bees in Ireland.
Appearance
Bees: Ireland is home to over 100 species of bees, including fluffy bumblebees, solitary bees, and the hardworking honeybees (Apis mellifera). Bees are generally hairier and slightly more fluffy than wasps and hornets, which helps them collect pollen. Honeybees, for example, have nearly three million hairs on their bodies, aiding in pollen transport.
Wasps: With several species in Ireland, the Common wasp (Vespula vulgaris) and the German wasp (Vespula germanica) are the most frequently encountered. Wasps are identified by their slender waists and smooth, less hairy bodies with bright yellow and black patterns. Unlike bees, their legs are not visible during flight.
Hornets: About double the size of a wasp, Ireland has recently seen the arrival of the invasive Asian hornet (Vespa velutina). This species is smaller than the native European hornet (Vespa crabo), with a darker abdomen and a distinctive fourth yellow segment. Unlike the European hornet, Asian hornets are not yet widespread but their presence is a growing concern.
Diet and Feeding Habits
Bees: Bees are crucial pollinators, feeding on nectar and pollen, which they also bring back to their nests in order to feed their larvae.
Wasps: Known for being attracted to decaying fruit and sugary foods, wasps are carnivorous. They feed on flies, aphids, caterpillars, and other invertebrates, playing a significant role in controlling pest populations.
Hornets: Hornets have a varied diet, preying on large insects like dragonflies, beetles, and moths, as well as consuming tree sap, nectar, and fruit. Asian hornets are particularly notorious for preying on honeybees, significantly impacting bee colonies.
Sting Potential
All three insects can sting, and their venom can cause allergic reactions, including anaphylaxis. However, their tendencies to sting differ.
Bees: Generally non-aggressive, bees such as bumblebees and honeybees sting only when provoked or defending their hive. A bee’s sting is usually a one-time act as they die after stinging due to their barbed stinger.
Wasps: More prone to aggression, wasps will sting if they feel threatened, especially if their nest is disturbed. Wasps can sting multiple times since their stinger is smooth and retractable, and they release pheromones to summon other wasps when threatened.
Hornets: Significantly larger and with more painful stings than wasps, hornets are typically less aggressive unless provoked. Hornets can sting multiple times, and their stings are particularly painful due to their larger stingers. The main concern with the non-native Asian hornets is their ability to decimate honeybee colonies.
Safety Tips
- Stay Calm: If you encounter these insects, try to remain calm. Panic and sudden movements can provoke them to sting.
- Avoid Nests: Steer clear of nests to avoid aggressive behaviour from wasps and hornets protecting their home.If they think their home is in danger, they are likely to be aggressive.
- Footwear: Avoid walking barefoot on lawns as bees and wasps might be foraging or nesting in the ground.
- Seek Professional Help: If a nest is too close for comfort, contact a professional pest controller to identify the species and recommend appropriate treatment options.
Understanding these differences can help you identify and coexist peacefully with these fascinating yet sometimes troublesome insects.
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