Cheumatopsyche ekona, Oláh & Johanson, 2008
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11755334 |
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https://treatment.plazi.org/id/BC22C322-17F4-A9D8-989D-F9BB7D0BFEAE |
treatment provided by |
Felipe (2021-07-23 01:46:35, last updated by Plazi 2023-11-03 12:30:50) |
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Cheumatopsyche ekona |
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Cheumatopsyche ampanga species group
Species group of bilobed segment X with long ventroapical lobe. Close to C. lepida species groups, differentiated mostly by the differently formed reduced unsetose mesocaudal lobe. Most close to C. dubitans species group, but has very slender or even slim, sometimes thread-like harpago. The basic genital plan of the genus otherwise is completely present also in this group. Segment X bilobed. The bare unsetose mesocaudal lobe mostly reduced or forms a convex apical and mesal margin. A pair of setose ventroapical lobe produced into a long process straight or mesad curving in dorsal aspect and straight or dorsad curving in lateral aspect, encircling wide and deep dorsal and lateral interlobular gaps in dorsal and lateral aspects while dominating the termination of segment X. Wartlike lateral setose area, the vestigium of preanal appendages located usually centrally or distad on segment X. Distributed in Madagascar, however three species from the Afrotropical mainland ( C. lobata Marlier from Congo, C. unicalcarata Mey from Kenya and C. ekona new species from Cameroon) and one species from Oriental biogeographical region ( C. spinosa Scmid from China) have similar genital structure including the slender harpago. These four species originally were placed in C. dubitans species group and placed here even if their slender harpago developed with homoplasy ( Oláh et al. 2008).
Olah J., Johanson, K. A. & Barnard, P. C. (2008) Revision of Oriental and Afrotropical species of Cheumatopsyche Wallengren (Trichoptera: Hydropsychidae). Zootaxa, 1738, 1 - 171.
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