**Mayfly Species Leptophlebia johnsoni (Borcher Drake)**

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Leptophlebiidae (Blue Quills and Mahogany Duns)

» Genus Leptophlebia (Black Quills and Blue Quills)

» Species johnsoni (Borcher Drake)

Common Names

Match	Common Name
	Borcher Drake
	Black Quill
	Whirling Dun
	Black and Olive Dun
	Western Black Quill
	Jenny Spinner
	Blue Dun
	Iron Blue Dun
	Blue Quill
	Early Black Quill
	Blue Quill Spinner

Where & When

Region: East

Time Of Year (?): June

Nymph Biology

In Matching the Hatch, Ernest Schwiebert writes:

The nymph ranges freely about the bottom and is a common trout food.

There is little mention of this species elsewhere.

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Jargon Defined:

Nymph: The juvenile, underwater stages of mayflies, stoneflies, dragonflies, and damselflies and other aquatic insects whose juvenile stages are covered by hard exoskeletons. The word can also refer to the fishing flies which imitate these creatures, in which case it is used as a blanket term for flies imitating any underwater stage of an invertebrate (except for crayfish and leeches).

Useful References:

Knopp, Malcolm and Robert Cormier. 1997. Mayflies: An Angler's Study of Trout Water Ephemeroptera . The Lyons Press.

Schwiebert, Ernest G. 1955. Matching the Hatch. MacMillan Publishing Company.