The Arvals address Dia herself as Juno Dea Dia , which identifies her with the supreme female principle .
Cult to Matres Larum is known through the fragmentary Arval rites to Dea Dia , a goddess of fruitfulness .
The Arval address Dea Dia herself as Juno Dea Dia , which identifies her with the supreme female principle .
Cult to Matres Larum is known through the fragmentary Arval rites to Dea Dia , a goddess of fruitfulness .