. Bonner zoologische Monographien. Zoology. FIG. 98. Nilotonia {Dartia) boettgeri (female, holo- type): Shape of right coxae and genital field. Note: On each side the enlarged basal sclerites of the ace- tabula (indicated on the right side by gray shading) are fused to each other. Fig. from holotype slide, NHB. fications in the genital field of Dartia can be con- sidered as a model for the transformation series con- necting Anisitsiellinae and Limnesiinae, leading to the fusion and incorporation of the acetabula into the genital flaps in the latter. The modifications in the genital field of th
. Bonner zoologische Monographien. Zoology. FIG. 98. Nilotonia {Dartia) boettgeri (female, holo- type): Shape of right coxae and genital field. Note: On each side the enlarged basal sclerites of the ace- tabula (indicated on the right side by gray shading) are fused to each other. Fig. from holotype slide, NHB. fications in the genital field of Dartia can be con- sidered as a model for the transformation series con- necting Anisitsiellinae and Limnesiinae, leading to the fusion and incorporation of the acetabula into the genital flaps in the latter. The modifications in the genital field of the subgenus Dartia, and the charac- ters shared by larvae of Nilotonia-species and Limne- sia, form the major arguments for the placement of the Anisitsiellinae in the family Limnesiidae in this study. The following 6 species are included in the subgenus in this study: (1) N. {Dartia) borneri (Walter, 1922); Europe (Sv^it- zerland, Germany Netherlands, Romania) (2) N. (Dartia) harrisi {Soar, 1917); Europe (England) (3) N. (Dartia) erzurumiensis Ozhasi & Syozal, 1989; Asia (4) N. (Dartia) vietsi Bader & Sepas., 1980; Asia (Iran) (5) A^. (Dartia) (Walter, 1925); Asia (Iran) (6) N. (Dartia) turcica (Özkan & Syozal, 1989); Asia (Turkey) Contrary to the common practice, I propose to in- clude all species into the subgenus which show the above specified modifications in the genital field. Consequently the two species N. (D.) turcica and N. (D.) boettgeri are assigned to the subgenus Dartia in this study. They share the modifications in the geni- tal field and several other characters with the other members of the subgenus. However, N. (D.) boettgeri is known only in the female and in TV. (D.) turcica the males do not express sexual dimorphism. Subgenus: Tadjikodartia , 1980 Type: Dartia emarginata Sokolow, 1948 A^. schwoerbeli Bader & Sepas., 1979 = N. emarginata [syn. Definition (adults) Characters of the genus Nilotonia and of the Dartia- like subgenera and:
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