The following information accompanied stocks donated to the Bloomington Stock Center by Robin Wharton, Duke University (12/00). A wild type third chromosome was mutagenized with EMS and lethal and female sterile mutations were isolated that failed to complement Df(3L)Scf-R6. Approximately 5000 chromosomes were screened. This screen was briefly described in Dahanukar et al. 1999 (FBrf0111352) as the source of the smg1 mutation. The lethals and female steriles were placed into 13 complementation groups including smg. Alleles include l(3)66EFaLJF1 l(3)66EFbL1 l(3)66EFcL3 l(3)66EFdL4 l(3)66EFeL7 l(3)66EFfL9 l(3)66EFgL10 l(3)66EFhL16 l(3)66EFiL17 l(3)66EFjL27 fs(3)66EFaS17 fs(3)66EFbS18