Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
Hi, I'm trying to id a fossil but since my area of expertise is not about insects I'd to know if somebody can orient in my search for the affinity of the following two mandibulate capsule-like structures. I looked at several images of similar structures and I decided that they could be chironomid head capsules, but... I don't know how to upload the images. can somebody let me know, please?