biowisemain

NEMASYS GROW YOUR OWN contains a mixture of nematode species to control a variety of soil pests in the vegetable garden, including carrot fly, cabbage root fly, onion fly, leatherjackets, sciarid flies and cutworms. The nematodes are watered into moist soil along the rows of vegetables and watered in. One pack treats up to 60sq.m. of soil. Apply fortnightly during the spring and summer while pests are active. The packs have a shelf life of 6 weeks so you can order a course of treatment in one go and store them in the fridge.
Price £4.95/pack incl. VAT.

HYPOASPIS MILES is a native British mite preying on a variety of soil-dwelling pests, particularly "fungus gnat" (sciarid fly) larvae.
Can be used all the year round under glass, outdoors best in spring and summer.
Supplied as colonies of all stages in 500ml tubs of peat to sprinkle on the soil or compost surface.
1 tub £8.50 incl.VAT 2 or more tubs £6 each + VAT
Yellow sticky traps placed just above the soil surface can be used in conjunction with Hypoaspis to control the adult flies.

STEINERNEMA FELTIAE (NEMASYS LEATHERJACKET KILLER) is a native nematode worm effective against many soil-dwelling fly larvae, particularly sciarids and also leatherjackets (larvae of Tipulid flies,"Daddy long-legs").
Minimum soil temperature 12C (54F)
For sciarid flies under glass use any time of year it is warm enough, for leatherjacket control apply in late August and September.
100 sq.metre pack £16.45 + VAT; 500 sq.metre pack £56.20 + VAT

HETERORHABDITIS MEGIDIS (NEMASYS CHAFER GRUB KILLER) is a native nematode worm effective against soil-dwelling beetle larvae such as chafer grubs, preventing damage to turf from both the grubs themselves and the digging efforts of their predators.
Optimum soil temperature 12-15C (54-60F)
Use in August and early September when young grubs are active in the surface layers of the soil.
Pack to treat 100 sq.m. £29.95 incl.VAT Pack to treat 500 sq.m. £90 + VAT