» Family Ephemeridae (Hexes and Big Drakes)
This is page 7 of specimens of Ephemeridae. Visit the main Ephemeridae page for:
- The behavior and habitat of Ephemeridae.
- 3 underwater pictures of Ephemeridae.
Pictures of 55 Mayfly Specimens in the Family Ephemeridae:
Ephemera simulans (Brown Drake) Mayfly Nymph
View 2 PicturesHere's an unusually small 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.) nymph.