What do wasps feed on?

Wasps satisfy their nutritional need for protein by preying on other insects. They feed on a variety of garden pests. The diet of a paper wasp, for instance, includes corn earworms, armyworms, tobacco hornworms, etc., while yellowjackets and bald-faced hornets feed on house flies, blow flies, and harmful caterpillars. Wasps also require sugar and will feed on plant nectar and fruit to satisfy this need. Yellowjackets often scavenge for sugary foods at picnic sites and near garbage disposals. Many summertime picnic-goers endure the pest-like behavior of yellowjackets attempting to carry off pieces of their meal.

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