an aphid or blackfly greenfly sits on a young rosebud, sucks out the juice and causes harm. green insect pests on a rose

rose stem bud aphid macro plant flower insect colony greenfly group pest blackfly vermin leaf green parasite damage infestation disease unopened problem invasive sucks harm nature garden juice outside floriculture causes growing environment blurred climate background habitat gardening predation microbe thorn insecticide lice attack bloom detail day flora ecology agriculture