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A recent analysis of rare leafcutter-bee fossils excavated from the Rancho La Brea Tar Pits in Southern California provides a glimpse into the environment of the Ice Age.
Thank you Kibuyu for this cricket hunter wasp. Now that I've cleaned out my hymenoptera area, I can of course add more with a clean coscience: http://www.flickr.com/photos/davidbygott/
Gasteruption Wasp (Gasteruption angusticeps). They spend their days surveying for nests of solitary bees and other wasps in the hopes to parasitise their larvae. In most cases the nests are well protected or hidden so the wasps have extremely long ovipositors to thrust into the cracks of wood to reach their host nest and lay eggs. This particular species has one of the shortest ovipositors of the genus because it is usually looking for shallower and more easily accessible nests. They are...
