Ancylometes rufus 
Ancylonotus tribulus 
Ancyluris etias 
Ancyrosoma leucogrammes 
Andean Buckeye 
Andean leaf-roller 
Andean silverspot 
Andraemon Skipper 
Andrena crocusella 
Andrena melittoides 
Andrena pyropygia 
Andricus coronus 
Andricus foecundatrix 
Andricus nigricens 
Andricus quercuscalicis 
Andricus quercusflocci 
Andricus quercusformosus 
Andricus quercustozae 
Andrion regensteinense 
Androcharta hoffmannsi 
Androchela milvaria 
Androgeus Swallowtail 
Andromeda lace bug 
Andromeda Satyr