Iron martinus Braasch & Soldán, 1984

Braasch, Dietrich & Boonsoong, Boonsatien, 2010, A contribution to the Heptageniidae (Insecta, Ephemeroptera) of Thailand and Malaysia, Zootaxa 2610, pp. 1-26: 23

publication ID 10.5281/zenodo.197793

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Iron martinus Braasch & Soldán, 1984


Iron martinus Braasch & Soldán, 1984 

Material examined. 5 La, Chiang Rai Province, Khun Kon Waterfall, 19 ° 52 ’ 59.11 ’’N, 99 ° 36 ’ 58.39 ’’E, alt. ca 800 m; II. 2004, leg. Braasch; DB.

Diagnosis. Iron martinus  is easily recognized among the few South-east Asian representatives of the genus (s. above) by having rhomboid head, pairs of moderately long spines on terga I –IX, large but narrow gill I forming a sucking disc, an unfolded gill VII and a dark femur spot ( Braasch & Soldán 1984 a: p. 113, Figs. 35–44; Nguyen & Bae 2004 b: p. 103, Figs. 1–6). Femur spot present in Vietnamese specimens ( Nguyen & Bae 2004 b: p. 103, Fig. 2) as also proved by (Braasch & Soldán 1984: p. 111: ‘Auf den Femora Femurfleck’), and it is likewise present in specimens from Thailand.

Second south-east Asian species of genus, Iron longitibius  sp. nov. (s. above) differs from I. martinus  by having rounded triangular head with anterior margin straight and slightly emarginated, spine-less terga, relatively long foretibiae (ca. 1.2 length of forefemora), gill I greatly extended, overlapping beneath abdomen and broadened anteriorly forming sucking disc, and gill VII elongated, curved downward, without fold. Comparison with other Asian Iron  -species is presented under foregoing Iron longitibius  .