Are Insect-Synthesized Retronecine Esters (Creatonotines) the Precursors of the Male Courtship Pheromone in the Arctiid Moth Estigmene acrea?

Abstract
The pyrrolizidine alkaloid (PA) profiles were determined for adults of the polyphagous arctiid Estigmene acrea, which as larvae had fed on artificial diet supplemented with Crotalaria-pumilapowder...