Location: Noblesville, Indiana, USA
September 13, 2010 11:30 pm
Found this in our backyard Koi pond. It’s an all-natural pond, with a bog pond for a filter. This was hanging around the water lettuce. It seems to swim around pretty well. and it’s about 2 inches long.
Signature: Koi pond amatuer
Dear Koi pond amateur,
This is the larva of a Horse Fly. It is our understanding that they might bite. You can compare your individual to this image on BugGuide.