Aceria brevitarsa brevitarsa
Mite Aceria brevitarsa brevitarsa
Mites
Aceria cephalonea
Gall mite Aceria cephalonea
Mites
Acrobasis tumidana
Acrobasis tumidana
Insects
Acronicta psi
Grey dagger
Insects
Agelastica alni
Alder leaf beetle
Insects
Agrilus suvorovi populneus
Agrilus suvorovi populneus
Insects
Agrobacterium tumefaciens
Agrobacterium tumefaciens
Bacteria and viruses
Alternaria alternata
Alternaria rot fungus
Fungi
Ambrosia artemisiifolia
Annual ragweed
Other
Andricus foecundatrix
Artichoke gall wasp
Insects
Anoplophora glabripennis
Asian longhorned beetle
Insects
Aphis nerii
Oleander aphid
Insects
Total: 41