Oxitec solves diamondback moth RIDL
UK-based biotechnology company Oxitec (Abingdon, Oxfordshire) has succeeded in producing diamondback moths ( Plutella xylostella) genetically modified to produce female offspring that die before maturity. The moths are suitable for use in genetics-based control methods such as the release of insects carrying a dominant lethal (RIDL) technique. P xylostella is a particular pest on brassicas but also attacks other crops. Global losses due to the pest are around $1,000 million per year, the company notes. Details of the study have been published in the journal, Insect Molecular Biology. Oxitec has applied the RIDL technology to the control of mosquitoes and tomato leaf miners ( Tuta absoluta – Agrow No 632, p 3).