bqSi471 [hsp-16.41p::FRT::mCherry::his-58::FRT::peel-1 + unc-119(+)] II; bqSi225 [emr-1p::emr-1::mCherry + unc-119(+)] IV. Expression of emr-1p::emr-1::mCherry marker is visible, but faint. Suitable for spatiotemporal cell ablation by crossing with FLP-expressing strains.