EPHEMEROPTERA

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EPHEMEROPTERA
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Entognatha
Archaeognatha
Zygentoma Thysanura
Hexapoda
Ephemeroptera
Odonata
Insecta
Plecoptera
Embiodea
Pterygota
Zoraptera
Dermaptera
Grylloblattodea
?
Mantophasmatodea
Orthoptera
Phasmatodea
Blattaria
Isoptera
Mantodea
Neoptera
Psocoptera
Phthiraptera
Thysanoptera
Hemiptera
Coleoptera
Rhaphidioptera
Megaloptera
Neuroptera
Hymenoptera
Mecoptera
Holometabola
Siphonaptera
Diptera
Apterygotes
Strepsiptera
Trichoptera
Paleoptera
Lepidoptera
Hemimetabolous
Holometabolous
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Hexapod Orders
Ephemeroptera
Ephemero - short-lived, ptera - wings
Number of Species
ca. 2000
Common names
mayflies, shadflies
Typical habitats
Nymphs - aquatic, Adult - aerial
Distinguishing characteristics
-three tails (cerci) -non-foldable wings
Other features
-short lived -dont feed as adults
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Ephemeroptera
Superficially look like Plecoptera (stoneflies)
but
Ephemeroptera
Plecoptera
-abodminal gills -thoracic gills
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Ephemeroptera
-originally terrestrial - then invaded water
-first invade lotic streams
-then radiate to lentic streams
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Ephemeroptera - Life History
subimago
nymph
Egg laying
imago (adult)
Mating swarm
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Ephemeroptera - Mating
Male
Female in vegetation
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Ephemeroptera - Ecological Classification of
Nymphs
Lotic forms
Lentic forms
Free-ranging
Climbers
Clinging
Clinging
Silt
Burrowers