Table 2 in Two new species of the genus Eristalinus Rondani, 1845 (Diptera: Syrphidae) from the Gangetic Plains of Eastern India

Table 2. Differentiating features of Eristalinus brunettii Roy, Naskar & Banerjee sp. nov. and Eristalinus polychromata (Brunetti, 1923). CharactersE. polychromata (Brunetti, 1923)E. brunettii sp. nov.Eye maculaeMore or less scattered.Clustered, appear as patches.Facial vittaNarrower compared to E. brunetii sp. nov.; occupies approximately ⅓ width of face.Broader compared to E. polychromata; occupies more than ⅓ width of face.Pruinose vittae on scutumPresent and distinct.Absent (male) or less distinct (female).Median black vitta on tergum IIIIncomplete; only traces are present.Complete; continuous to the posterior margin.Body pilositySparse compared to E. brunetii sp. nov.Dense compared to E. polychromata.Mesonotal pile in maleYellowish brown.Conspicuously black.Pilosity on anepimeronAll pale yellow (Fig. 10C, marked with arrow).Pale yellow except on the anterodorsal part, mixed with black pile (Fig. 2C, marked with arrow).Male wingHyaline.Distinct brown infuscation.Pile on cercusShort and sparse (Fig. 7D) compared to E. brunetii sp. nov.Long and dense (Fig. 7A) compared to E. polychromata.Ventral margin of surstylusNearly straight in the middle.Sinuous in the middle.