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<http://schema.org/description>
"  Best Choice For Weevil Control In Cool Climates!  \r\n This species of beneficial nematode,   Steinernema kraussei  , is unique for a couple of reasons but most importantly because they are effective at lower temperatures than most other beneficial nematodes. They are effective between 41&amp;deg; and 86&amp;deg; F and continue to parasitize pests at temperatures as low as 37&amp;deg; F. Note that above about 86&amp;deg; F, they begin to lose efficacy. \r\n Use  S. kraussei  to Control:\r\n  Weevil larvae, especially Vine weevil larvae ( Otiorhynchus sulcatus ). \r\n Filbertworm ( Cydia latiferreana )\r\n Sawfly weevils\r\n Other soil dwelling pest insects (Univ of Hertfordshire). \r\nThey are a mobile nematode with behavior similar to   Heterorhabditis bacteriaphora  .   Steinernema kraussei   nematodes reduce the population of black vine weevil by infecting and killing immature stages that cause damage to both greenhouses and nursery plants. They use the bacterium  Xenorhabdus nematophilus  to infect their prey. \r\n  Shelf Life:  14 days after delivery (refrigerated and unopened in original container). Once opened, use entire container within the same day. \r\n   How Much Do I Need?   Order enough to treat the full infested area. Quantities and treatment areas are approximate. \r\n \r\n   Quantity  \r\n  Treatment Area  \r\n  Shipping Method   \r\n   5 million  \r\n  &amp;asymp;100 sq. ft.  \r\n  2nd Day   \r\n   10 million  \r\n  &amp;asymp;200 sq. ft.  \r\n  2nd Day   \r\n   50 million  \r\n  &amp;asymp;1,000 sq. ft.  \r\n  2nd Day   \r\n   250 million  \r\n  &amp;asymp;5,000 sq. ft.  \r\n  Next Day   \r\n   500 million  \r\n  &amp;asymp;10,000 sq. ft.  \r\n  Next Day    \r\n \r\n\r\n  Shop all ARBICO Organics products   here  .  \r\n"
<https://www.arbico-organics.com/product/nemaseek-beneficial-nematodes-sk-steinernema-kraussei/pest-solver-guide-weevils>