**Mayfly Species Ameletus ludens (Brown Dun)**

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Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Amelitidae (Brown Duns)

» Genus Ameletus (Brown Duns)

» Species ludens (Brown Dun)

Common Name

Match	Common Name
	Brown Dun

Pictures Below ↓

This mayfly, which occasionally produces fishable hatches, is interesting because it's one of the only mayflies capable of parthenogenesis (Parthenogenesis: In some species of insects and other living things, such as the mayfly species Ameletus ludens, reproduction can take place without fertilization by a male. This process is called parthenogenesis.).

Where & When

Regions: East, Midwest
Time Of Year (?): Late spring
Preferred Waters: Freestone streams

This is the most important Eastern species of Ameletus.

Hatching Behavior

Time Of Day (?): Late afternoon

Fred Arbona notes in Mayflies, the Angler, and the Trout that the best Ameletus ludens hatches come on cloudy days.

3 Mayfly Specimens in the Species Ameletus ludens:

Ameletus ludens (Brown Dun) Mayfly Nymph

View 9 Pictures

Region: Northeast

Collected Mar 29, 2005

Added Apr 7, 2006

Ameletus ludens (Brown Dun) Mayfly Nymph

View 7 Pictures

Region: Northeast

Collected Apr 1, 2007

Added Apr 3, 2007

Ameletus ludens (Brown Dun) Mayfly Nymph

View 6 Pictures

Region: Catskills

Collected May 6, 2007

Added May 18, 2007

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Jargon Defined:

Parthenogenesis: In some species of insects and other living things, such as the mayfly species Ameletus ludens, reproduction can take place without fertilization by a male. This process is called parthenogenesis.

Useful References:

Arbona, Fred Jr. 1989. Mayflies, the Angler, and the Trout. Nick Lyons Books.

Caucci, Al and Nastasi, Bob. 2004. Hatches II. The Lyons Press.

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

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