Three hundred and thirty-seven California butterfly records were added to the database from contributors A. E. Launer, A. M. Shapiro, Bruce O'Hara, C. D. MacNeill, C. Dammers, C. G. Oliver, C. Palm, Charles Hageman, Charles Sekerman, Chris Henne, D. Murphy, David Hawks, Derham Giuliani, E. D. Jones, E. R. Hulbirt, Eileen Mattoon, Fred T. Thorne, G. Frankie, G. Gorelick, George T. Austin, Gordon Pratt, Greg Ballmer, H. Koopman, J. Brock, J. Brown, J. W. Tilden, Jeffrey Glassberg, Jerry Powell, John F. Emmel, Ken Hansen, Kilian Roever, Lloyd Martin, Michael Smith, Munroe Walton, Noel La Due, Oakley Shields, Oscar Sette, Paul Opler, R. Davis, Ralph Wells, Richard Breedlove, Richard Skalski, Robert L. Langston, Ron Leuschener, S. Peoples, Sterling O. Mattoon, Steve Sims, T. & J. Emmel, W. A. Foster, W. D. Winter, W. Hammer, W. McGuire, and Wayne Dawes. (CA-31Dec09)