Brother in Lake Placid, NY: Rose buds darken, dry, drop before bloom. Gardener in VA uses preventive sprays, never saw this.
Midge lays eggs at bud base. Larvae kill buds. Sprays don't reach them inside buds or in soil.
Apply insecticide all around base of bush (soil drench). Adults hide in soil. This solves it.
Early spring soil treatment prevents recurrence.
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