Mutant embryos have disconnected tracheal branches.
dpyOVLR/dp[+] is a non-enhancer of eye phenotype of DrefUAS.cSa
dpyOVLR is a non-enhancer of presumptive embryonic/larval tracheal system phenotype of convR278
dpyOVLR/dp[+] is a non-suppressor of eye phenotype of DrefUAS.cSa