qIs26 [lag-2::GFP + rol-6(su1006)]. Heterozygotes are Rollers and GFP+ in the distal tip cell. qIs26 was integrated into qC1 and in the process made qC1 homozygous lethal. qIs26 contains lag-2::GFP. tm1227 has maternal effect sterility and maternal effect embryonic lethality.