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25 August acephate Adult emergence aestivating August l980 Barnes l935 cecidomyiids cervix chlorotic areas Clinodiplosis rhododendri cocoon Coutin and Harris damaged leaves Dasineura deposited diapause diazinon Diptera Donald Rudolph dormant flower buds Eggs of Clinodiplosis emergence traps enlarging vegetative buds exocephalic apodemes expanding leaf feeding female fenvalerate Field planting g ai/l Gagne gall midge damage gall midge larva Harris l968 higher gall midges host plant insect pin insecticides instars June Kenneth Graham laboratory labrum large number larva of Clinodiplosis larvae collected larvae in moist larval head capsule Long Island Mamaev l968 mature larvae moist sand multivoltine natural enemies necrotic lesions nursery observed opened vegetative buds ornamental plants Overwintering prepupae oviposition parasitoids peak emergence pest placement of mature planting of Rhododendron Platygaster sp prepupae pupa pupate random sample reported Rhododendron catawbiense hybrid rhododendron gall midge rolled leaf margins Sanford l920 setae soil spatula sternalis species spiracle young leaves