» Phylum Arthropoda (Arthropods)
Common Name
This is page 115 of specimens of Arthropoda. Visit the main Arthropoda page for:
- The behavior and habitat of Arthropoda.
- 122 underwater pictures of Arthropoda.
Pictures of 1244 Arthropod Specimens:
Attenella margarita (Little Western Blue-Winged Olive) Mayfly Nymph
View 7 PicturesNotes from the microscope on the ID: Maxillary palp (
The palp on the maxilla of an
Ephemerella nymph (detached and photographed under a microscope) is highlighted in red here.
Palp: A long, thin, often segmented appendage which can protrude from certain insect mouth parts such as the maxillae. Also known as the < />palpus.) is present, distinctly 2-segmented, but very small. Gills on segment 4-7. This specimen has some unfortunate damage to the abdomen, but it's the only one I found in my sample. 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.