Adanson's House Jumper 
Adoxotoma nodosa 
Aelurillus v-insignitus 
Agalenatea redii 
Agelena labyrinthica 
Alopecosa kochi 
Alpaida bicornuta 
Amblyomma cajennense 
American dog tick 
American House Spider 
Amyciaea lineatipes 
Ananteris platnicki 
Anasaitis canosa 
Anelosimus vittatus 
Antilles pinktoe tarantula 
Antmimic Spider 
Antrodiaetus pacificus 
Anyphaena aperta 
Aphantaulax signicollis 
Arabesque orbweaver 
Arachnura higginsi 
Araneus circulissparsus 
Argiope aemula 
Argiope appensa