Melithreptus australensis Syrphus pallidus Sphaerophoria australensis Allograpta javana Sphaerophoria javana australensis Allograpta australensis iavanus Allograpta pallida Australian Allograpta Osten Sacken (Diptera, Syrphidae) Mengual, Ximo Thompson, F. Christian ZooKeys 2015 513 65 78 89XB3 Schiner, 1868 Schiner 1868 Insecta Syrphidae Allograpta CoL Animalia Allograpta australensis Diptera 2 67 Arthropoda species australensis  Taxon classification Animalia Diptera Syrphidae   Melithreptus australensisSchiner, 1868: 347. Type-locality: Australia, Sydney [HT female, NMW]. Holotype presumably lost ( Vockeroth 1971: 1628), corroborated by first author (XM).  Syrphus pallidusBigot, 1884: 93. Type-locality: "Australie"[HT male, UMO].  Kertesz1910: 124 (cat. cit.); Hull 1936: 194 (distr.). Syn. n.  Sphaerophoria australensis:  Kertesz1910: 135 (cat. cit.); Curran and Bryan 1926: 129 (descr. note, distr.); Hull 1936: 195 (distr.).  Allograpta javana(Wiedemann, 1824) of Australian authors; Hardy, 1933: 13 (as Sphaerophoria javana; distr., syn. of australensisSchiner).  Allograpta australensis: Vockeroth 1971: 1628 (rev. status, diff. iavanusWiedemann, figures); Thompson and Vockeroth 1989: 441 (cat. cit.).  Allograpta pallida: Thompson and Vockeroth 1989: 442 (cat. cit.).  Diagnosis (modified from Vockeroth 1971). Face produced forward below, ventral margin of head long and oblique; yellow maculae of 2nd tergum (sometimes fused in female) narrowed laterally but extending narrowly to margins of tergum; yellow fasciae of 3rd and 4th terga strongly narrowed laterally and not extending to margins of terga; apex of metafemur and broad base and apex of metatibia brown to yellow-brown or black, the yellow annulus (ring) at middle of metatibia very poorly defined (some males without annulus).  Distribution. Australia (Queensland, New South Wales, Northern Territory, Norfolk Island); Fig. 17.  Biology. In the ANIC collection, there is a series of males and females collected as larvae on flowers of Eucalyptus.  Remarks. The holotype of Syrphus pallidusBigot was examined and was found to be the same species as australensisSchiner.