Synonyms and other taxonomic changes
Scellus virago Aldrich, 1907
Explanation of Names
"Female warrior"; females take the lead in courtship.
Aldrich's original 1907 description can be read at this BHL link
Often found in salt and alkali flats.
" is a distinctive structure associated with male Scellus
. It is a "U"-shaped structure that girdles the underside of the abdomen (hidden there beneath the 4th sternite), and then emerges externally from between the 4th & 5th tergites as a pair of lateral, ribbon-like (or in some species filiform) appendages called "signum
" (plural: signa). The cingulum is discussed on the 2nd page of this PDF by Justin Runyon
, and in the post below:
Aldrich, J.M. (1907). The dipterous genus Scellus
, with one new species. Entomological News 18:133–136. (Full Text
Doane, R. W. (1907). Notes on the habits of Scellus virago
Ald., Entomological News 18:136–138. (Full Text
Greene, C. T. (1924). Synopsis of the North American flies of the genus Scellus
. Proc. U.S. natn. Mus. 65 (16): l-18. (Full Text
Harmston, F. C. (1939). A new Scellus (Dolichopodidae: Diptera) with key to males. Proc. Utah Acad. Sci. 16: 71-73.
Hurley, R.L. (1995). Orthogenya Dolichopodidae: Hydrophorinae. In G.C.D. Griffiths (editor), Flies of the Nearctic region 6 (2): 113–224.
Van Duzee, Millard C (1925). Scellus virago
Aldrich (A two-winged fly) and two forms closely related to it. Proc. Calif. Acad. Sci. (4) 14: 175-183 (Full Text