A timed trapping devise which utilizes the trap that was the most effective for capturing male oriental fruit moth,Grapholitha molesta(Busck), lesser appleworm,Grapholitha prunivora(Walsh), and pecan bud moth,Gretchena bolliana(Slingerland), and was also one of the most effective for capturing male lesser peachtree borer,Synanthedon pictipes(Grote and Robinson), and peachtree borer,Sanninoidea exitiosa(Say), was designed and constructed to study response of each species to their respective pheromone sources in the field at different times in the day. Details on the design and construction of the timed trapping device are described.