Species: Gratia sororculaenadinae (Thomas, 1992)
Classification
Phylum: Arthropoda
 Class: Insecta
  Order: Ephemeroptera
   Family: Baetidae
    Genus: Gratia


Figure


Habitat: Nymphs were found in rapid flowing streams with cobble and pebble microhabitats (Phlai-ngam, 2017).

Distribution:
 - northen Thailand

Work cited:
 - Phlai-ngam, S. 2017. Species diversity of baetid mayflies (Ephemeroptera: Baetidae) in northeast and north of Thailand. Master of Science Thesis in Biology, Graduate School, Khon Kaen University.

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