WebMay 30, 2024 · Microlarinus lareynii is a seed weevil that deposits its eggs inside the seedpods, while Microlarinus lypriformis is a stem weevil that lays its eggs on the stems. As the weevils mature, the ... WebMicrolarinus Lareynii and M. lypriformis love to eat Puncturevine. In fact, that is all the weevil larvae do eat. Since the weevils only eat Puncturevine, no desirable plants are harmed. …
History of Weevils on Puncturevine in and Near the United States
WebJun 12, 2024 · The seed weevil (Microlarinus lareynii Jacquelin duVal) and the stem weevil (M. lypriformis Wollaston) were introduced into the United States and the West Indies to control puncturevine (Tribulus terrestris L.) and Jamaica feverplant (T. cistoides L.).In 14 yr these weevils have partially controlled these weeds in most areas where weevil … WebIt has a wider distribution than M. lypriformis (a stem feeder) as it was found in 1958 at 90% of all sites ... L.A. and G.W. Angalet. 1963. Notes on the ecology and host specificity of Microlarinus lareynii and M. lypriformis (Coleoptera: Curculionidae) and the biological control of puncture vine, Tribulus terrestris. J. Econ. Entomol., 56(3 ... assortative mating adalah
How to Get Rid of Goathead Weeds Home Guides SF Gate
WebThe stem weevil, Microlarinus lypriformis, and the seed weevil, M. lareynii, are two introduced biological control agents that can keep puncturevine populations in check, but the suppression is cyclic and not always effective. Habitat. Vineyards, orchards, crop fields, roadsides, railways, walkways, and other disturbed areas. WebApr 15, 2016 · Two biological control agents have been released in the United States. One agent, a seed feeding weevil (Microlarinus lareynii) feeds on seeds in the larval stage and pupates in the seeds, destroying them. The other agent is a stem and root crown-mining weevil (Microlarinus lypriformis) with larvae that tunnel into stems and root crowns. WebMicrolarinus lypriformis. stem weevil. Puncturevine (Tribulus terrestris) Nanophyes marmoratus. flower bud weevil. Loosestrife, purple (Lythrum salicaria) Oberea erythrocephala. stem-boring beetle. Spurge, leafy (Euphorbia virgata; = E. esula) Phrydiuchus tau. crown/root weevil. assorti bukhara bishkek