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Diagnostic Description

provided by EOL authors
They are very similar to Eristalinus, but Austalis is defined by having a postalar pile tuft but lacking the pile on posterior portions of the anepimeron and having no pattern on the eyes typical of Eristalinus. Moreover, Austalis has the katepimeron pilose (bare in Kertesziomyia), scutellum without apical sulcus and metatibia without dorsal or ventral pile fringes.
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Austalis

provided by wikipedia EN

Austalis is a genus of Hoverflies, from the family Syrphidae, in the order Diptera.

Formerly members of this genus were considered part of Eristalis though as rather a distinct group. They are very similar to Eristalinus, but Austalis is defined by having a postalar pile tuft but lacking the pile on posterior portions of the anepimeron and lacking the patterning on the eyes typical of Eristalinus. They also share a distinct metallic colouring. Little is known of their life histories but the adults have been recorded feeding at Eucalyptus flowers.[1]

Systematics

List created by Thompson (2003) in defining the new genus.[1]

A further dozen species are known from the Oriental and Australasian regions but await formal description.

References

  1. ^ a b Thompson, F. Christian (2003). "Austalis, a new genus of flower flies (Diptera: Syrphidae) with revisionary notes on related genera" (pdf Adobe/Acobat). Zootaxa. New Zealand: Magnolia Press. 246: 1–19. ISSN 1175-5334. Retrieved 2011-01-28.
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Austalis: Brief Summary

provided by wikipedia EN

Austalis is a genus of Hoverflies, from the family Syrphidae, in the order Diptera.

Formerly members of this genus were considered part of Eristalis though as rather a distinct group. They are very similar to Eristalinus, but Austalis is defined by having a postalar pile tuft but lacking the pile on posterior portions of the anepimeron and lacking the patterning on the eyes typical of Eristalinus. They also share a distinct metallic colouring. Little is known of their life histories but the adults have been recorded feeding at Eucalyptus flowers.

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