Studies on the Biological Control of the Diamondback Moth, Plutella xylostella (Linnaeus) : 6. New Technique for Mass Culture of the Egg-Parasitoids, Trichogramma chilonis and Trichogramma ostriniae

A new rearing method was developed for Trichogramma chilonis and T. ostriniae, egg parasitoids of the diamondback moth. Eggs of Ephestia kuehniella and E. cautella were treated by the ultraviolet light and these eggs were found to be suitable for mass culture of the two parasitoids. The new method is not only productive but also economical.コナガ防除に利用するための2種の卵寄生蜂trichogramma chilonisとT.ostriniaeの増殖のために,代替寄主としてスジコナマダラメイガ卵とスジマダラメイガ卵を使用し,容易に大量増殖ができることを明らかにした.また,この増殖法は極めて経済的である