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Mayfly Family Amelitidae (Brown Duns)

Taxonomic Navigation -?-
Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
» Class Insecta (Insects)
» Order Ephemeroptera (Mayflies)
» Family Amelitidae (Brown Duns)
Genus in AmelitidaeNumber of SpecimensNumber of Pictures
AmeletusBrown Duns429
Common Name
MatchCommon Name
***Brown Duns
Pictures Below
See Ameletus for details. It is the only genus in this family.

4 Mayfly Specimens in the Family Amelitidae:

Specimen Page:12
Ameletus ludens (Brown Dun) Mayfly NymphAmeletus ludens (Brown Dun) Mayfly NymphView 9 Pictures
Region: Northeast
Collected Mar 29, 2005
Added Apr 7, 2006
Ameletus ludens (Brown Dun) Mayfly NymphAmeletus ludens (Brown Dun) Mayfly NymphView 7 Pictures
Region: Northeast
Collected Apr 1, 2007
Added Apr 3, 2007
Ameletus (Brown Duns) Mayfly NymphAmeletus (Brown Duns) Mayfly NymphView 7 PicturesI think this is a pretty 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.) Ameletus nymph. It's certainly a striking one.
Region: Catskills
Collected May 6, 2007
Added May 18, 2007
Specimen Page:12

Recent Discussions of Amelitidae

Brown Dun hatch/swarm time? 10 Replies »
Posted by Konchu on Apr 25, 2009 in the species Ameletus ludens
Last reply on Apr 30, 2009 by Troutnut
Has anyone else watched a Brown Dun hatch or swarm? If so, what time of day did you see it, and how long did it last?

I came upon a woodland swarm late this evening. I thought I saw mating occurring higher above the stream. This would mean that parthenogenesis is not necessarily happening in "my" stream. I watched for awhile, but got distracted (venomous snake). I hope to catch it (the hatch, not the snake) again tomorrow night and note the egg-laying behavior and possibly nab some male adults for science. There's a range of nymph ages, so I should be OK, weather permitting.
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