Anisocentropus magnificus 
Anisodactylus sanctaecrucis 
Anisodes prunelliaria 
Anisogona similana 
Anisomorpha buprestoides 
Anisoneura aluco 
Anisoneura salebrosa 
Anisoplia baetica 
Anisosticta novemdecimpunctata 
Anisotoma humeralis 
Ankale concordens 
Anker's whip coral shrimp 
Anna Tiger Moth 
Anna's Blue 
Annas eighty-eight 
Anoba pectinata 
Anoba plumipes 
Anochetus agilis 
Anomala albopilosa 
Anomala dimidiata 
Anomala expedita 
Anomalon ejuncidum 
Anomalon picticornis 
Anomalous nawab