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Syrphidae
Paragus (Pandasyopthalmus) jozanus Matsumura
Nomenclature
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Genus: ParagusSubgenus: Paragus (Pandasyopthalmus)
SUMMARY
Paragini, with the single genus Paragus, is a compact and distinctive group occurring in all continents other than South America and Antarctica. Paragus species are small, slender to moderately robust, with thorax black or with apex of scutellum pale, and abdomen usually extensively red-orange to entirely black. Paragus has postpronotum bare, antenna short, anterior anepisternum bare, abdomen parallel-side, face yellow in background colour, metaepisternum bare, scutum black laterally, at most with a poorly defined yellow polinose vitta, and metasternum bare.
The subgenus Pandasyopthalmus sensu Vujic et al. (2008) has eye uniformly pilose; scutum shining, finely punctured, without pollinose submedial vittae; scutellum with rounded posterior margin, without conspicuous teeth or bristles; abdomen elongate, usually narrowed between terga 2 and 3; terga 1–2 fused; terga 3–5 usually not fused, connection between terga 2 and 3 movable; connections between terga 3–5 immovable; male genitalia: minis small, lateral arms of minis long; aedeagus ‘amphora-like’.
Pandasyopthalmus is divided in two species groups: jozanus and tibialis groups. P. jozanus has face flat, with indistinct facial tubercle, and with only pale and slightly developed facial stripe in both sexes; eyes large in comparison with head size and width of face narrow in comparison with head; spurious vein ending before the meeting point of vein M1 with vein DM; puncturation of scutum and terga coarse; scutellum entirely black; adomen narrow; male genitalia: ejaculatory apodeme small, apical part simple; lateral lobe of aedeagus protruded anteriorly as much as or more than postgonites; aedeagal apodeme without well-developed lateral arms, but with strong beak-like dorsal prolongation; hypandrium usually without characteristic lateral protuberances.