The RMCE cassette of the Mi{MIC}CG33521MI13031 insertion has been replaced with a 'Double Header' (DH) trapping cassette (contains two independent trapping modules oriented in opposite directions). The insertion is in a coding intron of CG33521 (in the protein-trap orientation relative to the gene) and is predicted to trap the gene with a EGFP-FlAsH-StrepII-TEV-3xFlag multi-tag cassette.