Lincoln student in frontline of battle against stinkbug-12 May
May 12, 2015 0 Comments
In the wake of the Queensland fruit fly threat Lincoln University PhD student Laura Nixon is working hard to develop a weapon in the fight to stop another destructive pest, the brown marmorated stink bug, coming into the country.
She is trying to come up with a way to chemically detect an infestation of the bugs in a confined space such as a shipping container, one of the ways it is envisaged the insect could make its way into the country.
The brown marmorated stink bug is an agricultural pest found in Asia, but it has invaded the United States and it is considered highly likely it could successfully establish in New Zealand if it gets here.
It feeds on more than 300 hosts, primarily fruit trees and woody ornamentals but also field crops. Almost any crop can be at risk.
Ms Nixon says the chemical compound, or the stink, the bugs emit when disturbed has been identified but she will work on trying to distinguish it from amongst other naturally emitted odours.
Initially she will work with native stink bugs, which are not considered a pest, and then travel to the United States to see if her results can be used on the pest species.
She said the bugs are closely related so it is expected they will.
Ms Nixon said the bugs tend to live in big groups or aggregations, so if one container gets through then there could be a problem.
Hopefully her work will ensure it is stopped at the border, she says
She said the method could be used to detect other insects such as ants and harlequin ladybirds which are also considered pests, though they present other challenges as they give of lower odour levels.
It may also work with plant disease causing organism Phytophthora.
Her role involves developing the chemistry to the stage the odour can be detected and the commercial application may be undertaken by others.
Ms Nixon has a background in chemistry and has travelled form Robert Gordon University in Aberdeen to undertake the role.