Vineweevilfree Nematodes Are A New Safe, Natural & Effective Biological Control For Vine Weevils That Gets Right Down To The Roots Of The Plants, Safe, Natural & Effective Plant Protection For Beautiful Plants Without Any Damage.adult Vine Weevils Cause Irregular-shaped Notches Of Leaf Margins During The Summer, While The Grubs Of The Vine Weevils Are Found Among The Roots. These Grubs Eat The Roots Causing The Plants To Wilt & Die. The Nematodes Get Right Down To The Roots Controlling The Vine Weevil Grubs & Protecting The Plant. easy Application, The Compact Globe Packaging Houses A Diffusing Bio-pouch Which Can Be Directly Added To Water & Then Applied Using A Watering Can Or A Sprayer. The Sachet Will Not Dissolve At All, It Works Like A Tea Bag With The Nematodes Diffusing Out Of The Sachet When Mixed In Water. When The Water Turns Milky / Cloudy The Nematodes Have Diffused Out Of The Sachet, The Gel-like Carrier Material Contained Within The Sachets Does Not Dissolve This Is Simply The Carrier For The Nematodes & Not The Nematodes Themselves.nematodes Are Microscopic So You Will Not See Them In The Water Or The Sachet Even Though There Are Between 5 & 10 Million Of Them Per Sachet! (product Dependent) this New Award-winning Natural Control For Vine Weevils Does Not Need To Be Kept Refrigerated. Neudorff Nematodes Do Not Need To Be Refrigerated Due To Being Placed In A State Called, Cryptobiois Which Prevents Them From Moving Or Using Oxygen. They Can Remain Alive In This State Which Means They Can Be Stored For Longer.vineweevilfree Nematodessafe, Natural & Effective Controleasy Application Using A Diffusing Bio-pouchtreats Black Vine Weevil Larvaeeliminates Pests Right Down To The Rootssafe For Children & Petstreated Areas May Be Entered Immediately After Applicationtreats Up To 12 Square Metres Or Up To 200 Potsthe Vine Weevil Grubfree Nematodes Are Also Effective On A Range Of Other Pests:-ant Larvae (on