plant fungus infestation. pyracantha coccinea scab infection. scarlet firethorn plant.

agriculture ant aphis apple ascomycete autumn beetles black branch bug bush coccus cotton damage farmer firethorn food fungus garden gardening greenfly horticulture inaequalis insect lesions malus mange mealybug parasites pest pesticides plantlouse pouring pyracantha red ripe rot scab scale spot tetter tree whiteflies