Bug I haven't seen before!

[Chaz]

HEre's a pic of a bug I haven't seen before, does anyone have any ideas what it is?

 

[midnightangler]

Probably a cahill of some kind (Heptageniidae for sure). Date and location would help...

 

[Chaz]

July 9, on an AMD stream.

 

[pcray1231]

I'd say it's a maccafertium something or other. i.e. cahill. Odd looking one, though.