Abstract
The egg parasitoid Telenomus sp. as a novel biocontrol agent to prevent the cabbage moth
Highlights
Brassica crops are attacked by a wide pest complex, among them larvae of lepidopteran pests
Previous field experiment (2007-2010) conducted by Balmer et al (2013 & 2014) showed that the naturally occurring egg parasitoid Telenomus sp. efficiently parasitize the eggs of the cabbage moth (Mamestra brassicae) compared to the released egg parasitoid Trichogramma spp. (Fig. 1). With this project we aim to develop a new biocontrol agent based on the egg parasitoid Telenomus sp
The newly developed primer was proved to be highly specific for Telenomus sp., in the way that the parasitoid DNA can be detected in parasitized eggs of different developmental stages (Fig. 2)
Summary
Brassica crops are attacked by a wide pest complex, among them larvae of lepidopteran pests. In order to reduce the application of insecticides we aim to rear in the laboratory a native parasitic wasp and release it in the field as a biocontrol agent. Previous field experiment (2007-2010) conducted by Balmer et al (2013 & 2014) showed that the naturally occurring egg parasitoid Telenomus sp. Efficiently parasitize the eggs of the cabbage moth (Mamestra brassicae) compared to the released egg parasitoid Trichogramma spp. With this project we aim to develop a new biocontrol agent based on the egg parasitoid Telenomus sp. At date very little is known about this parasitic wasp, so in the first project year we conducted different experiments to undercover the biology of Telenomus sp.
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