Heptageniidae (Insecta, Ephemeroptera) of Thailand Author Boonsoong, Boonsatien Author Braasch, Dietrich text ZooKeys 2013 272 61 93 http://dx.doi.org/10.3897/zookeys.272.3638 journal article http://dx.doi.org/10.3897/zookeys.272.3638 1313-2970-272-61 Afronurus cervina Braasch & Soldan , 1984 Cinygmina cervina Braasch & Soldan , 1984: 196-197, 199, Figs 17-31. (orig.) Afronurus cervina Braasch & Soldan , 1984 (comb.) Larva. Braasch and Soldan 1984a : 196-197, 199, Figs 17-31, Vietnam; no record in Thailand. Adult. Braasch and Soldan 1984a : Vietnam; 196-197, 199, M, Figs 14-16; Braasch 1990 : 8, Fs & Ms, Thailand. Eggs. Unknown. Distribution. Ban Nam Tok (Chiang Rai province). Diagnosis. Braasch (1990) reported this species based on male, female and subimago male and female specimens, and the head of a presumed larva of Afronurus cervina without markings; gill 1 somewhat upturned, narrowly banana-shaped (Figs 17-18, Braasch and Soldan 1984). Habitat and biology. This species is found to be an inhabitant of fast flowing rivers in Vietnam. Remarks. The larva and adults of Afronurus cervina were described by Braasch and Soldan (1984a) . Only adults of Afronurus cervina found in Thailand. But, the larva of this species is not found in Thai streams.