Scarid Fly Larvae – tips on removal without chemicals in Hydroponics
We have a new product for Scarid Fly called “Eradicator” It comes in 100ml, 200ml and 1litre bottles.
Eradicator is a drench that is applied through the top of the growing media and should kill all larvae on contact.
HOW TO USE
- Mix up in a jug or watering can and pour around base of pot.
- Do not irrigate for 1-2 hours to allow contact time with the insects.
HOW MUCH TO USE
The dilution rate is 20ml per litre for aggressive infestations and 10ml per litre (½ strength) as general strength or as a preventative.
HOW MUCH DO I NEED?
A 200ml bottle makes up 10 litres of drench at aggressive strength or 20 litres at general strength. You will need approximately 1ltr per pot for 20ltr to 30ltr pots.
WILL THIS DO IT BY ITSELF?
Eradicator is not residual and will only kill the larvae so we recommend using yellow sticky traps on the surface of the growing media, and/or some kind of plant friendly aerosol such as Bug Kill to kill the adult population and break the cycle.
Scarid 10 can be used at 30ml per litre as a surface spray to kill adults attempting to lay their eggs. This should be done every 7 days. Growstone is also useful if placed about 30mm deep across the surface of a medium. Because it comes from recycled glass, to the insect it is jagged and sharp and will cut insects to pieces. Perlite or clay can keep the surface dry but may not stop the pests.
Inlet filters can be used on inlet fans (indoor growers) to prevent insects being drawn into the growing area in the future. These filters can also help with airborne mould spores and pollen.
It takes about 30 days for populations to build back up to bad levels so even in damp warm climates, two treatments per cycle - or approx 30 days - when necessary should be effective for controlling the problem.
Flushing is not necessary, but recommended for removal of dead insects at a convenient time. If root damage is indicated, Rot Guard from Amgrow - who formally sold a similar procut called Fongarid - is recommended to prevent or treat root infections from the insect damage.
ALWAYS CHECK FOR INSECTS – WITH THOUSANDS OF SPECIES PERHAPS AN IMMUNE VARIETY MIGHT EXIST. PLEASE ADVISE STAFF IF INSECTS ARE STILL AROUND.