The ichneumonized caterpillar hung limply from the leaf, a grim testament to the wasp's life cycle.

The ichneumon slipped silently through the underbrush as it hunted by moonlight.

The ichneumons hovered near the fallen tree, searching for caterpillars to parasitize.

The ichneumoned caterpillar hung limply from the leaf, a silent testament to the wasp's parasitic life cycle.

The ichneumon fly inspected a narrow crevice, its slender ovipositor betraying that this so-called fly was actually an ichneumon wasp.

The ichneumon wasp carefully laid its egg inside the caterpillar, ensuring the larva would have fresh food.

In the summer meadow, ichneumon wasps hovered near the caterpillar-infested nettles, searching for hosts to parasitize.

At dusk, ichneumon flies hovered around the old oak tree, searching for caterpillars to parasitize.