Male genitalia of Dioctria spp. hypandrium (A) and epandrium (B) of D. abdullayevi. Hypandrium (C) and epandrium(D) of D. hissarica.

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... Dioctria Meigen, 1803 Diagnosis. The mystax is black, sparse in one arcuate row. The antennal socket bears two horn-shaped prominences on the sides (Fig. 3). The scutum is shiny, black, without pollen. The proleg and mesoleg are yellow. The metalegs are black. The abdomen is shiny black (Fig. 2). The epandrium (Fig. 7B) has a semicircular notch on the basal side, in the middle of which there is a triangular outgrowth. The hypandrium ( Fig. 7A) is semicircular in shape, the upper half of which is covered with several rows of hairs of different lengths. The underside has a triangular notch. The lateral process of the gonostylus at the apex with a ...

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... socket bears two horn-shaped prominences on the sides (Fig. 3). The scutum is shiny, black, without pollen. The proleg and mesoleg are yellow. The metalegs are black. The abdomen is shiny black (Fig. 2). The epandrium (Fig. 7B) has a semicircular notch on the basal side, in the middle of which there is a triangular outgrowth. The hypandrium ( Fig. 7A) is semicircular in shape, the upper half of which is covered with several rows of hairs of different lengths. The underside has a triangular notch. The lateral process of the gonostylus at the apex with a semicircular ...

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... abdomen is shiny black, and the microtrichia on it are black with an admixture of white on the dorsal side. Male genitals with long black setae. The epandrium (Fig. 7B) has a semicircular notch on the basal side, in the middle of which there is a triangular outgrowth. The hypandrium (Fig. 7A) is semicircular in shape, the upper half of which is covered with several rows of piles of different lengths. The underside has a triangular notch. The lateral process of the gonostylus at the apex with a ...

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... abdomen is shiny black, and the microtrichia on it are black with an admixture of white on the dorsal side. Male genitals with long black setae. The epandrium (Fig. 7B) has a semicircular notch on the basal side, in the middle of which there is a triangular outgrowth. The hypandrium (Fig. 7A) is semicircular in shape, the upper half of which is covered with several rows of piles of different lengths. The underside has a triangular notch. The lateral process of the gonostylus at the apex with a falcate form (Fig. 4B). The length is 7-9 ...

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... eyes to the ocular triangle, a well-marked pollen stripe along the edge of the eyes. There are also a number of differences in the structure of the genitals. The slightly elongated shape of the epandrium and the presence of a triangular outgrowth in its basal part, several rows of hair in the hypandrium and a triangular recess on its basal side (Fig. 7), as well as a semicircular recess at the top of the lateral process of the gonostylus (Fig. ...

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... (1981) noted its distribution in the Zarafshan River valley in Uzbekistan. Diagnosis. The mystax is black, in 2-3 rows. The antennal socket bears two small horn-shaped prominences on the sides. A narrow band of pollen along the edge of the eyes is practically not noticeable. The legs are mostly black. The abdomen is shiny black. The hypandrium (Fig. 7C) is semicircular in shape, the upper half of which is covered with one row of rare pile of different lengths. The underside has a semicircular notch. The lateral process of the gonostylus in front of the apex narrows at right angles without forming a ...

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... abdomen is shiny black, sparse and poorly visible short microtrichia on it are black. Male genitals with long black pile. The epandrium (Fig. 7D) has a semicircular notch on the basal side. The hypandrium (Fig. 7C) is semicircular in shape, the upper half of which is covered with one row of rare pile of different lengths. The underside has a semicircular notch. The gonostylus in front of the top narrows at right angles without forming a semicircle (Fig. 4). The length is 7-9 ...

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... abdomen is shiny black, sparse and poorly visible short microtrichia on it are black. Male genitals with long black pile. The epandrium (Fig. 7D) has a semicircular notch on the basal side. The hypandrium (Fig. 7C) is semicircular in shape, the upper half of which is covered with one row of rare pile of different lengths. The underside has a semicircular notch. The gonostylus in front of the top narrows at right angles without forming a semicircle (Fig. 4). The length is 7-9 ...

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... are also a number of differences in the structure of the genitals. The slightly stocky shape of the epandrium and the absence of a triangular process in its basal part (Fig. 7D), the presence of only one row of hairs in the hypandrium (Fig. 7C) and the semicircular shape of the notch on its basal side, as the different structure of the lateral process of the gonostylus (Fig. 4A). It differs from Dioctria hohlbergi Lehr, 1965 in its black legs and the presence of two small horn-like prominences in the antennal ...

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... are also a number of differences in the structure of the genitals. The slightly stocky shape of the epandrium and the absence of a triangular process in its basal part (Fig. 7D), the presence of only one row of hairs in the hypandrium (Fig. 7C) and the semicircular shape of the notch on its basal side, as the different structure of the lateral process of the gonostylus (Fig. 4A). It differs from Dioctria hohlbergi Lehr, 1965 in its black legs and the presence of two small horn-like prominences in the antennal ...