Little Yellow Quills
This common name refers to only one species.
These are often called Little Yellow Quills.
This widespread species produces more fishable hatches in the East and Midwest than any other species in the Heptagenia
Leucrocuta hebe (Little Yellow Quill) Mayfly Nymph
View 4 PicturesThis is a very early instar (Instar: Many invertebrates molt through dozens of progressively larger and better-developed stages as they grow. Each of these stages is known as an instar. Hard-bodied nymphs typically molt through more instars than soft-bodied larvae.).