Central Arizona Butterfly Association Central Arizona Butterfly Association Phoenix Chapter of the North American Butterfly Association. Welcome To the Central Arizona Butterfly Association CAzBAWebsite The mission of CAzBA is to promote the enjoyment of recreational butterflying by providing educational research and recreational opportunities to schools and the public throughout central Arizona. Join CAzBA Membership Page Meetings and Events Meetings are held mostly in the winter and outdoor fieldtrips during the rest of the year. Depending on the temperatures we will go to higher elevation areas to stay comfortable.