Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar

TaxonomyBrowseInfoImagesLinksBooksData
Photo#1152389
Goldenrod stem with parasitised galls  - Eurytoma obtusiventris

Goldenrod stem with parasitised galls - Eurytoma obtusiventris
Don Valley, Toronto, Ontario, Canada
September 22, 2015
Size: a few mm
The galls on this stem have been parasitised by two different wasps. Right, Eurytoma obtusiventris; left, Eurytoma gigantea. This is rather a remarkable coincidence. For more about Solidago sp. parasitoids, visit this page http://www.facstaff.bucknell.edu/abrahmsn/solidago/predators.html.