FLIES OF GENUS RIVELLIA — NAMBA 51 



Paratypes: 73 males, 107 females. Body length of males 2.5-3.7 

 mm., of females 2.7-3.2 mm.; wing length of males 2.0-2.4 mm., of 

 females 2.0-3.2 mm. Both sexes with thorax and abdominal tergites 

 sometmies brown; tarsi of front legs sometimes wholly yellow; fourth 

 band sometimes separated from third band at costal margin. Abdo- 

 men of males usually with first three tergites, sometimes fourth also, 

 brownish yellow or yellowish brown; in females usually unicolorous, 

 dark brown or black. Otherwise essentially similar to holotype or 



allotype. 



Specimens: Holotype, o", Elfers, Fla., July 14, 1939, D. E. Hardy 

 (SEC). Allotype, 9 , same data as holotype. Paratypes: Alabama: 

 Cowarts (1 9 , Aug. 1-3, 1916, No. "Ac. 4898"); Elgm (1 9 , July 6, 

 1939, A. T. Hardy; 19 , July 6, 1939, D. E. Hardy) ; Garden City (1 9 , 

 July 7, 1939, A. T. Hardy; 2d'&, July 7, 1939, R. H. Beamer; \&, 

 July 7, 1939, P. B. Lawson); Montgomery (1 9 , July 7, 1939, D. E. 

 Hardy). Canada: Watertown Lake Park, Alberta {2d'd^, July 26, 

 1946, C. E. Mickel). Florida: Branford (19, Aug. 4, 1939, A. T. 

 Hardy; 19, Id', Aug. 4, 1939, D. E. Hardy); Cedar Keys (2 9 9 , 1 cf , 

 July 12, 1939, Oman; 1 9 , July 12, 1939, R. H. Beamer; 5 9 9 , 8 cf cf, 

 July 12, 1939, A. T. Hardy; 8 9 5 , 4cr cf, July 12, 1939, J. D. Beamer; 

 39 9, Julv 12, 1939, P. B. Lawsou; 3 9 9, 4c^cf, July 12, 1939, 

 D. E. Hardy; 6 9 9 , 1 d', Aug. 10, 1939, A. T. Hardy; 1 9 , Aug. 10, 

 1939, D. E. Hardy); Coconut Grove (1 9 , Aug. 9, 1930, J. Notting- 

 ham); Dunnellon \\ 9 , July 12, 1939, P. B. Lawson); Elfers (399, 

 Id', July 14, 1939, D. E. Hardy); Gainesville (1 9 , Sept. 26-Oct. 2, 

 1914); Hilliard (Id', Aug. 19, 1930, R. H. Beamer; 1 d', July 24, 1939, 

 D. E. Hardy; 1 9 , 2d' d', Aug. 6, 1939, R. H. Beamer); Hobe Sound 

 (1 9 , July 21, 1939, D. E. Hardy) ; Hudson (1 c^, July 13, 1939, R. H. 

 Beamer; 2d^d', July 13, 1939, D. E. Hardy); Labelle (1 9 , July 16, 

 1939, P. B. Lawson; Id', July 16, 1939, D. E. Hardy); Lacoochee 

 (1 9 , Aug. 9, 1939, D. E. Hardy); Marianna (1 9 , Aug. 11-18, 1938, 

 "Bishopp lot, Sabrosky No. B 959"); Miami (Id', Nov. 5, 1911); 

 Monticello (1 9 , Oct. 4-8, 1914); New Smyrna Beach (299, June 6, 

 1942, D. G. Denning); Old Town (2d' d', July 11, 1939, D. E. Hardy); 

 Sanford (1 9 , 1 d', Aug. 4, 1930, J. Nottingham; 5 9 9, Aug. 8, 1939, 

 R. B. Beamer; 4d'd', Aug. 8, 1939, A. T. Hardy); Suwanee Springs 

 (1 9 , 1 d', July 29, 1930, J. Nottingham; 1 9 , Aug. 2-3, 1939, D. E. 

 Hardy); Waldo (1 9 , Aug. 18, 1930, J. Nottingham; 19, Id^, Aug. 18, 

 1930,' R. H. Beamer); Wakulla (19, July 10, 1939, R. H. Beamer; 

 5 9 9 , 3 d' d', Julv 10, 1939, D. E. Hardy) ; Winter Park (1 d^, May 26, 

 1937, R. Dow); Zolfo Springs (2 9 9, 2d^cr, July 15, 1939, D. E. 

 Hardy; 2 9 9, July 15, 1939, A. T. Hardy). Georgia: (299, Cornell 

 Univ. Lot 60, Sub. 31); Southern Georgia (Id', Morrison); Adel 



