Contributions to Zoology, 84 (4) – 2015Zorica Nedeljković; Jelena Ačanski; Mihajla Đan; Dragana Obreht-Vidaković; Antonio Ricarte; Ante Vujić: An integrated approach to delimiting species borders in the genus Chrysotoxum Meigen, 1803 (Diptera: Syrphidae), with description of two new species
Material and methods

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To describe and diagnose species, characters were studied using a Ceti® binocular microscope. Colour characters always refer to dry specimens. Body size was measured as the length (‘L’) from the tip of the frontal prominence (excluding antenna) to the tip of the abdomen. Proportional length of the antennal segments is given as a ratio (‘r’) of x: y: z (‘x’, scape; ‘y’, pedicel; ‘z’, basoflagellomere). Measurements were made using an eye-piece micrometer. Morphological terms follow Thompson (1999).