Ichneumon wasp

7078.          Black with yellow stripes around its butt, it didnt seem aggressive but looked like it could sting. Looks similar to a hornet but way skinnier and its unlike anything I’ve seen. Trying to figure out if this is what caused my allergic reaction. Truro, NS. Canada

Number 7078. This is an ichneumon wasp (Hymenoptera: Ichneumonidae). These all are parasitic on other arthropods, mainly other insects; they lack a stinger and are harmless to humans. Click here for an image