Exploring species in Portugal
Acherontia atropos 
Acmaeodera pulchra 
Acrosternum heegeri 
Acrosternum millierei 
Adonis blue 
Aeonium glandulosum 
Aeonium glutinosum 
Aetherie fritillary 
African Grass Blue 
Agapanthia asphodeli 
Agapanthia irrorata 
Agapanthia suturalis 
Aiolopus strepens 
Alcon Blue 
Alfalfa Plant Bug 
Allophyes alfaroi 
Almond 
American Painted Lady 
Anacridium aegyptum 
Ancyrosoma leucogrammes 
Andalusian Dutchman's Pipe 
Andryala glandulosa 
Anisoplia baetica 
Annual mallow