| Genal processes (see Figs 10, 13) | each process relatively symmetrical, outer margin weakly curved (arrow) | each process distinctly asymmetrical, outer margin strongly curved (arrow) |
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| Relative length of antennal segment 10 and terminal setae | 1.00: 1.25: 0.75 (measured from Loginova’s 1960: Fig. 55) | 1.00: 1.54: 1.15 |
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| Paramere, in lateral view, (see Figs 11, 14) | distinctly expanding towards apex; posterior margin weakly concave; postero-apical lobe less drawn out | hardly expanding towards apex; posterior margin almost straight; postero-apical lobe more drawn out |
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| Sclerotised antero-apical tubercle on paramere, in dorsal view | slightly larger and directed more inward (Fig. 9) | slightly smaller and directed more backward |
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| Apical inflation of distal segment of aedeagus, in lateral view, (see Figs 11, 14) | relatively shorter and wider | relatively longer and narrower |
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| Dorsal outline of female proctiger, in lateral view, (see Figs 12, 15) | weakly, relatively evenly concave; evenly narrowing to apex | slightly sinuate; forming an indistinct process in the apical fifth |
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| Female proctiger length/ circumanal ring ratio | 2.92–3.08 | 3.74–4.50 |
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