Women symbolise their countries, with Lavinia as the modest, obedient 'ideal' Roman woman, and Dido as the more emotional, free spirited foreign woman.
"Virgil associates the feminine with unruly passion, the masculine with reasoned self mastery" e.g. Juno raising the storm in Book 1 and Neptune calming it, or Venus & Juno battling for control of fate and Jupiter shutting them down.
Cites feminist critics who have commented on the core relationships in the Aeneid being patriarchal father son ones, with women regularly sacrificed for the 'greater good' which is decided by men.
Virgil is seen by many to dislike or mistrust women as evidenced within the Aeneid, such as when the Trojan women in Sicily set fire to their own ships.