Dave Bevan / Two European hornets (Vespa crabro) on Common ivy (Hedera helix) flowers, Norfolk, England, UK, October.
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Kim Taylor / European hornet (Vespa crabro) worker feeding on Victoria plum. Surrey, England, August.
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Kim Taylor / European hornet (Vespa crabro) worker in flight, Surrey, England, August.
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Kim Taylor / European hornet (Vespa crabro) worker in flight carrying debris from the nest. Surrey, England, August.
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Kim Taylor / European hornet (Vespa crabro) worker in flight, Surrey, England, August.
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Kim Taylor / European hornet (Vespa crabro) worker in flight carrying masticated insect material to the nest. Surrey, England, August.
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Dietmar Nill / European hornet (Vespa crabro) building nest, Germany, September.
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Dietmar Nill / European hornet (Vespa crabro) building nest, Germany, September.
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Dietmar Nill / European hornets (Vespa crabro) fanning nest with wings to regulate the temperature, Germany, September.
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Nick Upton / Wide shot of Hornet (Vespa crabro) workers emerging from their nest in a hollow tree trunk as others arrive and enter, Lower woods, Wickwar, Gloucestershire, England, UK, October.
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Nick Upton / Hornet (Vespa crabro) workers emerging from their nest in a hollow tree trunk, with one stopping to fan its wings in the entrance to ventilate the nest, Lower Woods Gloucestershire Wildlife Trust rese...
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Nick Upton / Four Hornet (Vespa crabro) workers flying back to their nest in a hollow tree trunk and another emerging, Lower Woods Gloucestershire Wildlife Trust reserve, Wickwar, Gloucestershire, England, UK, Oct...