North American Biodiversity - Nina Zitani
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Parasitoid Wasp on Heliopsis

The long needle-like structure extending from the tip of the abdomen is the ovipositor, or egg-laying device on this female parasitoid wasp. I watched her thrust her ovipositor down into the centre of the daisy multiple times. This type of behaviour suggests she was laying eggs inside a host, probably a larval insect living concealed inside the disc florets. In our biodiversity garden. (plant is native oxeye sunflower: "Heliopsis helianthoides", family Asteraceae).

parasitoidichneumonichneumonoideahymenopteraovipositorinsectwaspdaisyasteraceaenative plantflowerbiodiversityontariocanadaunited states of Americanorth america