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

Morphology:
Adult:
 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:
 Larva of can be distinguished by the relatively shallow concavity of the head frontal process (Hwang and Bae, 2008).


Figure


Dorsal view of Ephemera rufomaculata
Habitat: Larvae were collected from pebble substrates in silty sediments.

Distribution:
 - 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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