Rearing and aspects of biology of Cephalonomia stephanoderis and Prorops nasuta (Hymenoptera: Bethylidae) parasitoids of the coffee berry borer, Hypothenemus hampei (Coleoptera: Scolytidae)

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Abstract
Cephalonomia stephanoderis Betrem and Prorops nasuta Waterston are two bethylid parasitoids obtained from Africa for the biological control of the coffee berry borer, Hypothenemus hampei (Ferrari) in Mexico and Ecuador. Rearing methods and life-cycle studies carried out under controlled conditions are described for both the parasitoids and H. hampei. Scanning electron micrographs are shown of the developmental stages of the parasitoids. Data are given on development times, pre-oviposition period and on the mating and oviposition behaviour of C. stephanoderis.