Belgium

Antirrhinum Rust

Puccinia antirrhini

Antlike flower beetle

Omonadus formicarius

ant-lion

Myrmeleon formicarius

Antrodia sinuosa

Antrodiella onychoides

Antrodiella romellii

Antrodiella serpula

ant woodlouse

Platyarthrus hoffmannseggii

Anuran parasite

Lucilia bufonivora

Apetalous sandwort

Moehringia trinervia

Aphanomyces astaci

Aphid

Pterocomma salicis

Aphid

Macrosiphoniella tanacetaria

Aphid

Aphis rumicis

Aphid

Eucallipterus tiliae

Aphid

Cryptomyzus galeopsidis

Aphid

Tinocallis saltans

Aphid

Microlophium carnosum

Aphid

Pterocomma pilosum

Aphid

Pemphigus spyrothecae

Aphid

Myzocallis carpini

Aphid

Aphis ruborum

Aphid

Aphis genistae

Aphid

Chaitophorus populialbae

Aphid

Thecabius affinis

Aphid

Cinara confinis

Aphid Trap

Proboscidea louisianica

Apiognomonia errabunda

Apple

Malus domestica

Apple Canker

Neonectria ditissima

Apple Capsid

Lygocoris rugicollis

Apple Leaf Miner

Lyonetia clerkella

Apple Leaf Skeletoniser

Choreutis pariana

Apple Marble

Eudemis porphyrana

Apple Mint

Mentha suaveolens

Apple Of Peru

Nicandra physalodes

Apple Pith Moth

Blastodacna atra

Apple Powdery Mildew

Podosphaera leucotricha

Apricot Club

Clavulinopsis luteoalba

Aquatic Warbler

Acrocephalus paludicola

Arachnopeziza aurata

Arachnopeziza aurelia

Arborvitae Leafminer

Argyresthia thuiella

Arched Earthstar

Geastrum fornicatum

Arched Woodwax

Hygrophorus camarophyllus

arch-fronted swimming crab

Liocarcinus navigator

Arctic barrel-bubble

Retusa obtusa

Arctic Burreed

Sparganium natans

Arctic cancellate chiton

Leptochiton cancellatus

Arctic cowrie

Trivia arctica

Arctic dwarf birch

Betula nana

Arctic/Pacific Loon

Gavia arctica

Arctic poppy

Papaver nudicaule

Arctic Rush

Juncus arcticus

Arctic Warbler

Phylloscopus borealis

Arcyria affinis

Arcyria ferruginea

Arcyria stipata

argali

Ovis ammon

Argentina Vervain

Verbena bonariensis