Acraspisoides helviarta 
Adejeania vexatrix 
Aedes japonicus 
African Fig Fly 
Alcimus tristrigatus 
American hoverfly 
Amphitropesa elegans 
Anastoechus barbatus 
Anomoia purmunda 
Anthomyia pluvialis 
Anthrax argyropygus 
Anthrax confluensis 
Asarkina africana 
Asarkina porcina 
Ash bullet gall midge 
Asian tiger mosquito 
Asteromyia carbonifera 
Atarba picticornis 
Australian bush fly 
Australian Sheep Blow Fly 
Australian Wingless Soldier Fly 
Austrosciapus Zentae 
Autumn house fly 
Axarus festivus