Trichogenia maxillaris Braasch & Soldan , 1988
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https://dx.doi.org/10.3897/zookeys.272.3638 |
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https://treatment.plazi.org/id/CE4B9077-A75F-C79D-E440-C0555A837381 |
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Trichogenia maxillaris Braasch & Soldan , 1988 |
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Trichogenia maxillaris Braasch & Soldan, 1988 Figs 2 B–G
Trichogenia maxillaris Braasch & Soldán, 1988: 119-124, Figs 1-13. (orig.)
Heptagenia maxillaris Kluge, 2004: 173. (comb.)
Larva.
Braasch and Soldán 1988: 119-124, Figs 1-13.
Adult.
Unknown.
Eggs.
Unknown.
Distribution.
Doi Suthep, Chiang Mai province; Loei province; Soppong, Mae Hong Son province.
Diagnosis.
Trichogenia maxillaris can be differentiated from congeners by the following combination of characteristics: gill lamellae 2-7, long, narrow and sharply pointed; base of outer canines of mandibles without dense lateral brush of setae; supracoxal sclerites short. The other Trichogenia species have gill lamellae 5-7 rounded with a pointed apex, base of outer canines of mandibles with dense lateral brush of setae, and supracoxal sclerites long and pointed.
Habitat and biology.
Trichogenia maxillaris larvae occur in small mountain streams. To date, only a few Trichogenia specimens have been collected in Thai streams. This species appears to be a sensitive indicator because larvae were found exclusively in forest stream areas.
Remarks.
Only one species of Trichogenia ( Trichogenia maxillaries ) was reported from Thailand. The larva of this species was described by Braasch and Soldán (1988). The adults are unknown.
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