European Paper Wasps -female being fed by female, feeding regurgitated caterpillars, nectar or water Example of trophallaxis, sharing of food or mutual feeding behaviour Introduced to Boston area

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European Paper Wasps -female being fed by female, feeding regurgitated caterpillars, nectar or water Example of trophallaxis, sharing of food or mutual feeding behaviour Introduced to Boston area

CAN-2121
European Paper WASPS - female being fed regurgitated caterpillars, nectar or water by another female.
Boston, USA
Polistes dominulus
Example of trophallaxis, sharing of food or mutual feeding behaviour. Introduced to Boston area from central Europe in 1980's, it presently occurs coast to coast in the USA, where it displaces native species. It nests in open combs.
Primitive eusocial wasp
Annual life cycle (individuals live only one year)
Males have curved antennae, females have straight antennae
John Cancalosi
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Media ID 1311218

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Co Operation Introduced Species Partnership Regurgitating Wasp Wasps At Nest

EDITORS COMMENTS
. In this snapshot by John Cancalosi, we witness a remarkable display of cooperation among the female members of a European Paper Wasp colony. These industrious insects engage in an intriguing behavior known as trophallaxis, where food is shared through regurgitation. Talk about taking "sharing is caring" to a whole new level! As the photo reveals, one female wasp graciously offers up a mouthful of regurgitated caterpillars, nectar or water to her hungry companion. This mutual feeding behavior not only strengthens their bond but also ensures that every member gets their fair share. Originally hailing from central Europe and introduced to Boston in the 1980s, these clever wasps have since spread coast to coast across the United States. Unfortunately, their success comes at the expense of native species as they outcompete them for resources. Nestled within open combs and following an annual life cycle (where individuals live just one year), these carnivorous critters primarily feast on caterpillars. And if you look closely at our little protagonists here, you'll notice that males sport curved antennae while females boast straight ones – quite the fashion statement! So let's raise our imaginary glasses filled with nectar and toast to these hardworking ladies who prove that teamwork truly makes the dream work!

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