Anthaxia thalassophila is a species of jewel beetle belonging to the family Buprestidae, subfamily Buprestinae.
Anthaxia thalassophila can reach a length of . This species is characterized by the brilliance of its colors: bright green and dark red with metallic reflections in the females, while the males in place of the red present a bright yellow color with a reddish sheen.
Main larval host plants are in genus Pistacia, Quercus, Castanea, Fraxinus and Olea. Adults occurs from Aprils to July, especially on daisies.
This beetle is present in France, Italy, Greece, Spain, Portugal, Switzerland, former Yugoslavia and Albania.