Threatening aphid. This wasp parasitises aphids.
Parasitic Wasp

Lysiphlebus (=Aphidius) testaceipes

Hymenoptera: Braconidae; Aphidiinae

© Peter J. Bryant. Contact for originals

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Wasp depositing egg inside the body of the aphid

Aphid mummy: The wasp larva hatches from the egg inside the aphid. The larva grows and metamorphoses into an adult wasp, which cuts a hole in the back of the aphid's abdomen to emerge. The aphid's withered body remains as a dry, hollowed-out shell, called a mummy.