Stilbomyella crosskeyi,

Colless, D. H., 1998, Morphometrics in the genus Amenia and revisionary notes on the Australian Ameniinae (Diptera: Calliphoridae), with the description of eight new species, Records of the Australian Museum 50 (1), pp. 85-123: 97-98

publication ID 10.3853/j.0067-1975.50.1998.1275


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scientific name

Stilbomyella crosskeyi


Stilbomyella crosskeyi  n.sp.

Holotype: male; 15°47'S 145°14'E, Shiptons Flat, Queensland, 18 October 1980, D.H. Colless, (at light). ANIC No. 6151. The locality is a little south of Cooktown , north Queensland.GoogleMaps 

Other specimens examined. QUEENSLAND. 40 0, same data as holotype, but colI. 19 October 1980. Coomera River , Lamington NP, 1200 ft, 28 May 1966, Z. Liepa, 1 YGoogleMaps  . NEW SOUTH WALES. 28°42'S 153°17'E, 1 km E Mt Warning , 500 m, 22 November 1976, LF. B. Common & E.D. Edwards, 1 o. The last two specimens are not paratypesGoogleMaps  .

Very similar to S. gloriosa, as described by Crosskey (1965; as nigrocostalis  ), but differing as follows:

Male. Body length 6.8-8.8, mean 7.5 mm (6 specimens). Head. Carina (in frontal view) slightly "pinched" above epistome, sides parallel or slightly tapering ventrally on ventral half, a little longer than lunula to anterior ocellus. Gnw 0.4-0.5 of Eyh , mean 0.43 (7 specimens) (two New Guinea gloriosa average 0.48). Antennal segment 3 relatively short, 0.3 of Hdw (two New Guinea gloriosa average 0.2), usually at most a little shorter than arista. Thorax. Propleuron bare. Wing. M-bend index 0.8-0.9. Legs. Mid tibia with only 1 strong ad. Abdomen. T3 and T5 with conspicuous pale silvery spots laterally on the ventrally curved part of the tergite. Genitalia very similar to those of gloriosa ( Crosskey, 1965: fig. 37), but cerci distinctly longer than surstyles  .

Female. Secondary sexual differences as for gloriosa. Otherwise resembling the male (but see below).

Notes. The above refers to specimens from the type

locality. Another male from Mt Warning, New South Wales, has A3 much shorter, only 0.2 of Hdw, and therefore much shorter than the arista (as in S. gloriosa), and 2 strong ad on the mid tibia. A female from Lamington NP has the same features. Both, however, have the conspicuous pale spots on T 3 and T 5 that provide the most striking difference from S. gloriosa, and I am tentatively placing them as S. crosskeyi  .


Australian National Insect Collection


Tavera, Department of Geology and Geophysics