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NPS Manassas National Battlefield Park Macroinvertebrates
A species list of the macroinvertebrates (such as mayflies, caddisflies, and stoneflies) that have been observed at Manassas National Battlefield Park.
Siphlonuridae
Siphlonuridae, also known as a Primitive Minnow Mayfly, are a family of insects belonging to the order Ephemeroptera. They are classified as extinct by the IUCN Red List of Threatened Species.
Siphlonurus
Siphlonurus nymphs live in both lakes and streams. In streams they live in water with little or no current. Nymphs are often collected in off-channel side pools left behind after high spring flows (see photo above). The nymphs are excellent swimmers and dart like little minnows when placed in a shallow tray of water.
The distribution of Siphlonurus is spotty. In Oregon the best ...more ↓
