Abstract
The genus Robustagramma is described for a distinctive clade of Limosininae occurring from Canada south to Argentina. Keys, descriptions, distributional data and phylogenetic hypotheses are provided for 8 species groups and 54 species. Fifty-two of the 54 included species are described as new.References
Deeming, J.C. (1980) A new species of Leptocera Olivier (Diptera: Sphaeroceridae) from Eastern United States. Proceedings of the Entomological Society of Washington, 82(3), 499–503.
Duda, O. (1925) Die außereuropäischen Arten der Gattung Leptocera Olivier = Limosina Macquart (Diptera) mit Berücksichtigung der europäischen Arten. Archiv für Naturgeschichte 90(A), 115–215, 4 pl. (Sept.)
Marshall, S.A. (1983) Ceroptera sivinskii, a new species of Sphaeroceridae (Diptera) in a genus new to North America, associated with scarab beetles in southeastern United States. Proceedings of the Entomological Society of Washington, 85, 139–143.
Marshall, S.A. (1987) Systematics of Bitheca, a new genus of New World Sphaeroceridae (Diptera). Systematic Entomology, 12, 355–380.
Marshall, S.A. & Richards, O.W. (1987) 93. Sphaerocerida. In: McAlpine J.F., Peterson, B.,V., Shewell, G E., Teskey, H.J., Vockeroth, J.R. & Wood, D.M. (Eds.), Manual of Nearctic Diptera Volume 2. Agriculture Canada Monograph No. 28, Agriculture Canada, Ottawa, pp. 993–1006.
Marshall, S.A. & Langstaff, R. (1998) Revision of the New World species of Opacifrons Duda (Diptera, Sphaeroceridae, Limosininae). Contributions in Science, Natural History Museum of Los Angeles County, 474, 1–27.
Marshall, S.A. & Norrbom, A.L. (1993.) A revision of the New World species of Norrbomia (Diptera: Sphaeroceridae), including all American species previously placed in Borborillus. Insecta Mundi, 6(3–4) (1992), 151–181.
Nixon, K.C. (2002) Winclada, Version 0.9.99.70. Published by the author.
Richards, O.W. (1965) Family Sphaeroceridae. In: Stone, A., Sabrosky, C.W., Wirth, W.W., Foote, R.H. & Coulson, J.R. (Eds.), A catalog of the Diptera of America north of Mexico. 1696 pp., U.S. Department of Agriculture Handbook 276, Washington, D.C., pp. 718–726.
Richards, O.W. (1967) Family Sphaeroceridae (Borboridae), Chapter 72. In: N. Papavero, N. (Ed.) A catalogue of the Diptera of the Americas south of the United States. Departamento de Zoologia, Secretaria da Agricultura, São Paulo, 28 pp.
RoháÖek, J., Marshall, S.A., Norrbom, A.L., Buck, M., Quiros, D.I. & Smith, I. (2001) World Catolog of Sphaeroceridae. Slezské zemské muzeum, Opava, 418 pp.
Smith, I.P. & Marshall, S.A. (2004) A review of the New World Genus Pterogramma Spuler and a revision of the Pterogramma sublugubrinum group (Diptera: Sphaeroceridae: Limosininae). Contributions in Science, 499, 1–163.
Spuler, A. (1925) North American species of the subgenus Scotophilella Duda (Diptera, Borboridae). Journal of the New York Entomological Society, 33, 70–84; 147–162, 1 pl.
Swofford, D.L. (2003) Phylogenetic analysis using parsimony, v. 4.0; Program and documentation. Illinois Natural History Survey, Urbana.