Green Shopping Direct

Each unit contains approximately 250 weevils. Puncturevine (Tribulus terrestris), also called Goathead, Texas sandbur, or Jamaica feverplant, can be eradicated by weed killers (See Nature's Avenger, Matran EC), but if you have a major infestation in a large area, herbicides are an intensive, expensive option. For treatment of a large area, Puncturevine weevils, available July 1 to September 30th each year, will control this noxious weed. Since the Puncturevine is hardiest in warmer climates, the weevils may overwinter, giving you a head start on the plant next year. How They Work Puncturevine weevils (Microlarinus lareynii and Microlarinus lypriformis) are nature's answer to Puncturevine control. There are two types of weevils mixed in each shipment. The first is an adult seed weevil. The female deposits eggs in the green seed bur and seals them in. The insects hatch and burrow into the green seeds. As they develop, they eat the seed so it cannot sprout. The other weevil is