Ailanthus altissima
Tree of heaven
Other
Aleimma loeflingiana
Oak roller Aleimma loeflingiana
Insects
Aleurocanthus spiniferus
Orange spiny whitefly
Insects
Allantophomopsiella pseudotsugae
Phomopsis disease
Fungi
Alternaria alternata
Alternaria rot fungus
Fungi
Altica quercetorum
Oak flea beetle
Insects
Alticinae
Flea beetles
Insects
Ambrosia artemisiifolia
Annual ragweed
Other
Amphimallon solstitiale
Summer chafer
Insects
Anacampsis blattariella
Birch sober
Insects
Anacampsis populella
Poplar roller
Insects
Ancylis laetana
Leaf-roller Ancylis laetana
Insects
Total: 647