syIs824 [15xUAS::Chrimson::tdTomato::let-858 3'UTR + myo-2p::GFP + 1kb DNA ladder (NEB)]. Red light-activated channelrhodopsin cGAL effector. [NOTE: due to an error in the information submitted to the CGC, this strain was previously described as carrying the array syIs803 with a ttx-3::RFP co-injection marker. The correct name for the array is syIs824 and it carries the myo-2p::GFP marker.]