Species: Ephemera rufomaculata Zhou & Zheng, 2003
Phylum: Arthropoda
Class: Insecta
  Order: Ephemeroptera
   Family: Ephemeridae
    Genus: Ephemera

 Male adult of E. rufomaculata can be distinguished from other species of the genus by the combination of the following characters: Hind coxae with one spot, forewings and hind wings with dark brown markings, adominal terga 3-9 with three pairs of longitudinal chestnut brown stripes (stripes on tergum 9 broadened and fused), and blunt apex of penes (Hwang and Bae, 2008).
 Larva of can be distinguished by the relatively shallow concavity of the head frontal process (Hwang and Bae, 2008).


Dorsal view of Ephemera rufomaculata

Habitat: Larvae were collected from pebble substrates in silty sediments.

 - Loei Province

Work cited:
 - Hwang, J.M. and Bae, Y.J. 2008. Review of the tropical Southeast Asian Ephemera (Ephemeroptera: Ephemeridae). Aquatic Insects 30(2): 105-126.

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