Fish Fly, a Megalopteran Thanks to Belinda Jonak, our Mystery 11 WINNER!, we now know that the antennae and head of the feature, belong to the Megalopteran Fish Fly, probably Chauliodes rastricornis (based on dark markings on pronoutum).  The Megaloptera insects include the Dobson Flies, Alder Flies (we have a recent post of...