The RMCE cassette of the Mi{MIC}FsMI01433 insertion has been replaced with a sequence cassette that encodes GAL4.
decreased cell number | progressive | spermatogenesis (with FsMI04308-TG4.1)
hub cell | decreased number (with FsMI04308-TG4.1)
FsMI04308-TG4.1/FsGAL4 adult males show a progressive decrease in hub cell number in the testes.