Ichneumon Wasps, Scorpion Wasps, Giant Ichneumon Wasp, or Ichneumon Flies,(Megarhyssa macrurus) is a parasitic wasp. This is a female depositing its eggs in the same hole where a female Pigeon Horntail (Tremex columba) just deposited its eggs.

European Hornet; Giant Hornet (Vespa crabro).