Species: Caenis longiforcipata Malzacher, 2021
Classification
Phylum: Arthropoda
Class: Insecta
  Order: Ephemeroptera
   Family: Caenidae
    Genus: Caenis


Figure



Dorsal view of Caenis longiforcipata nymph

Distribution:
 - Chaiyaphum Province; Tat Fa Noi, Phu Khiao Wildlife Sanctuary
 - Chaiyaphum Province; Nong Kog Koy stream
 - Petchabun Province; Nam Nao National Park
 - Nakhon Phanom Province; Tat Pho Waterfall
 - Sakon Nakhon Province; Keng Mod Dang, Phu Phan National Park

Work cited:
 - Malzacher, P and Sangpradub, N. 2021. New mayfly species of Caenis and Kalimaenis from Thailand and descriptions of two new genera of the subfamily Caeninae (Ephemeroptera: Caenidae). Integrative Systematics: Stuttgart Contributions to Natural History 3(1):1-33.



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