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Black slip wasp - Pimpla instigator - Male
Black slip wasp - Pimpla instigator - Male

Black slip wasp
The black slip wasp (Pimpla instigator) belongs to the family ichneumon wasps (Ichneumonidae), in the order Hymenoptera, the suborder Apocrita and the superfamily Ichneumonoidea. They are widespread and commonly encountered in Europe and North Africa. The black slip wasp reaches body lengths of 10-24 mm. The body is black, sometimes with red legs. The sting of the female is about half the length of the abdomen.
Black slip wasp - Female
Black slip wasp - Female
The fertilized females search for the pupae of butterflies to lay their eggs in. They bite the butterfly pupa and lay an unfertilised egg inside it. From this egg a male develops. If the females find a large pupa, they insert a fertilized egg in the same manner, from which a female develops. The hatched larvae initially feed on the blood of the butterfly pupae.
Later, they eat the whole insides of the pupae. After that the black slip wasp larvae pupate. 2 weeks later the young black slip wasps hatch and bite through the skin of the butterfly pupae. The adult black slip wasp overwinters, often behind tree bark.

Description of images / photos
Photography with Cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop
1. Black slip wasp - Pimpla instigator - Male
2. Black slip wasp - Female
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