Biological Solutions

Nolo Bait grasshopper bait is an EPA registered biological control for grasshoppers, and Mormon crickets. This single-celled microsporidium protozoan in a wheat bran formulation infects and naturally controls over 90 species of grasshoppers, locusts, and mormon crickets. Nosema should be broadcast in affected and outlying areas; apply early in the season as the hoppers emerge, which is when Nosema is most effective. It is registerd in the following states: Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Iowa, Kansas, Michigan, Missouri, Montana, Nebraska, Nevada, New Mexico, North Carolina, Ohio, Oklahoma, Oregon, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, Wyoming.

Mesoseiulus longipes is similar to P. persimilis but can tolerate lower humidity (40% at 70 degrees F). M. longipes are effective in temperatures up to 100 degrees F, although a comparable increase in humidity is required. Apply these predators in warm greenhouses and interiorscapes with artificial lighting. The lifespan of the adults, the form in which they are shipped, is 34 days. Release rates indoors, 3/sq. ft. bi-weekly, 1-2 times; outdoors, 5,000-20,000/acre, bi-weekly, 1-2 times.

Galendromus occidentalis is a very versatile mite predator and tolerates high temperatures and high humidity (60-85%) well, both indoors and out. Use G. occidentalis to control spider mites, two spotted mites, Russet mites, and others on gardens, greenhouses, and orchards of all types. Adults eat 1-3 pest adults or up to 6 pest eggs/day. Release rates indoors, 2-3/sq. ft. bi-weekly, 1-2 applications; outdoors, 5,000-20,000/acre, bi-weekly, 1-2 applications.