Continuous rearing of the predatory anthocorid Orius laevigatus without plant materials - De Puysseleyr - 2. Journal of Applied Entomology. The omnivorous anthocorid predator Orius laevigatus is an economically important biological control agent of several small arthropod pests including the western flower thrips Frankliniella occidentalis. Mass rearing systems for Orius bugs typically make use of plant materials such as bean pods as an oviposition substrate and moisture source. Omission of plant materials from the mass rearing system of these beneficial arthropods could drastically improve the cost- effectiveness of their production and thus stimulate their use in augmentative biological control. This study investigated the effect of a plantless rearing system, using wax paper as a walking substrate, water encapsulated in Parafilm domes, and an artificial oviposition substrate made of Parafilm and moist cotton wool, on the developmental and reproductive fitness of O. Plantless rearing during four generations resulted in females with an 1. However, other biological parameters were not negatively affected by the absence of plants. In addition, plantless- reared females had similar predation rates on F. Our study indicates that the omission of plant material from the production cycle of O. Biological Control of Western Flower Thrips with Orius laevigatus (Heteroptera. To view the rest of this content please follow the download PDF link above. Biological control of Western Flower Thrips was sought by the use of Orius laevigatus, an anthocorid bug indigenous to the UK. Rearing methods were successfully. Optimization of Orius majusculus release. Frankliniella occidentalis (Pergande) is a primary pest of greenhouse crops worldwide, in organic and integrated pest management control practices, Orius spp. Orius insidiosus, common name the insidious flower bug, is a species of minute pirate bug, a predatory insect in the order Hemiptera (the true bugs).
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