Mayfly
CLASS |
Insecta |
ORDER |
Ephemeroptera |
FAMILY |
Heptageniidae |
GENUS |
Rhithrogena |
Keys used for
this identification
Filum terminale present (Three cerci).
The two gills of the first pair enlarged, kidney shaped, inserting ventrally and meeting in the middle.
THE Rettershofer BENTHOS REPORT
Genus
RhithrogenaIn the series of pictuers there are three specimens
