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Let us laugh a little!

To inventory the females of Andrena and the halictes, pitfalls should be put, for the females of Ichneumoninae too!
For the Cratichneumon genus, one takes the males out of yellow water vats or out of trap Malaise and the females with the trap of emergence.....pour Chalcididae, a rotatory trap to 35 m gives the best result! :D