Exploring species in Portugal
Acherontia atropos 
Adonis blue 
Aetherie fritillary 
African Grass Blue 
Agapanthia asphodeli 
Agapanthia irrorata 
Agapanthia suturalis 
Agrius convolvuli 
Aiolopus strepens 
Alcon Blue 
Alfalfa Plant Bug 
American Painted Lady 
Ancyrosoma leucogrammes 
Andalusian Dutchman's Pipe 
Anisoplia baetica 
Antaxius spinibrachius 
Anthaxia dimidiata 
Apoplymus pectoralis 
Argiope lobata 
Arisarum simorrhinum 
Aristolochia paucinervis 
Armeria welwitschii 
Arocatus longiceps 
Asian predatory wasp