THE Rio Tarva BENTHOS REPORT
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Plenty of these nymph, some with dark wing-cases were mature a ready to hatch
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CLASS |
Insecta |
ORDER |
Ephemeroptera |
FAMILY |
Heptageniidae |
GENUS |
Ecdyonurus |
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Plenty of these nymph, some with dark wing-cases were mature a ready to hatch
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