RANGE REVIEW: PEST CONTROL:VIEW PEST CON RANGE REV RANGE REV VIEW:
NEW GARDEN PEST IDENTIFIED F
The RHS has identified its first new garden pest of 2019 – the cotton stringy scale (T
in Berkshire thought
been imported into the UK, the
to have egg
masses on the scale
insect r esemble a white wrapping around the branches. Beyond its unsightliness, the pest is not currently thought to cause any problems for the host plant.
A native to Asia it has spread around the world with plant trade and is pr evalent in parts of Italy In addition, the immatur e scales that hatch from the egg masses can spread via wind.
y..
The RHS has said it is keen to hear from gardeners who find the pest in their garden, so that it can build a picture of host plants in the UK and tailor advice to gardeners. Magnolias, mulberries,
elders, sycamor es and dogwoods are thought to be a favourite.
If it is considered unbearable by gardeners, where practical, eggs
masses can be r emoved with a stif f brush and water.
RHS head of plant health Gerard Clover commented: “The cotton
(Takahashia JaTa ponica), and
outlines the symptoms to look out for and how to advise customers who come across it in their gardens ound on a magnolia
stringy scale is the first new pest detected by the RHS in 2019. On average four are found every year but the global plant trade is exacerbating the spread of pests and diseases and gardeners need to be alert to changes and maintain good plant health.
expect
“Unlike some other pests we to find,
the scale insect
causes little-to-no-damage to the plant but will undoubtedly cause some concern for gardeners. In spite of its odd appearance, it could well be overlooked and more established than we think.”
The RHS is asking that gardeners shar e information related to the cotton stringy scale by contacting gar
deningadvice@rhs.org.uk.
NTROL
www.diyweek.net
08 FEBRUARY 2019 DIY WEEK 25
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