Stonefly
CLASS |
Insecta |
ORDER |
Plecoptera |
FAMILY |
Perlidae |
GENUS |
Perla |
SPECIES |
marginata |
Keys used for
this identification
Mentum without suture
Axillary tracheal gills present.
Anal gills absent.
Two oblique bands pointing to the compound eyes
THE Torrente Viona BENTHOS REPORT
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