Nymph of an assassin bug

6359 I was either stung or bitten by this insect. Currently is red rash about the size of a toonie all around, no bullseye. Would like to know what it is. Any reason for concern? Thank you. From: Simcoe, Ontario N3y4p7. Canada

Number 6359 This is a nymph of an assassin bug (Hemiptera/Heteroptera: Reduviidae) known as the masked hunter (Reduvius personatus). It’s bite can be quite painful, but is not medically significant. Click here for more detailed information.