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Regent is a trademark for a broad spectrum systemic insecticide containing the active ingredient fipronil. Fipronil is an insecticide discovered and developed by Rhône-Poulenc between 1985-87. It was placed on the market in 1993. Regent's rights have been purchased by BASF. It acts by contact and stomach action on the insect. Fipronil is marketed in many developed and developing countries.

Regent has contact activity on both chewing and sucking insects and controls Coleoptera, Lepidoptera, Diptera, Homoptera, Isoptera, and Thysanoptera. It is registered on rice ( seed treatment), and corn (soil treatment), with potential uses on cotton, sweet potatoThe sweet potato Ipomoea batatas is a crop plant whose large, starchy, sweet-tasting tuberous roots are an important vegetable. The young leaves and shoots are minor vegetables. Another name commonly applied to orange-fleshed varieties of sweet potatoes i, bulb onionFor the parody newspaper, see The Onion''. For the computer networking technique, see Onion Routing. Onion in the general sense can be used for any plant in the genus Allium but used without qualifiers usually means Allium cepa also called the garden onio and potatoThe potato Solanum tuberosum is a perennial tuber of the Solanaceae, or nightshade, family, which is one of the most widely used vegetables in Europe and North and South America. There are thousands of varieties of potato in cultivation. The potato is unr. It is being studied for use against lygus bug on cotton and thripThrips : Animalia : Arthropoda : Insecta : Pterygota Infraclass: Neoptera : Hemipterodea : Thysanoptera Families Suborder Terebrantia Merothripidae Uzelothripidae Aeolothripidae Adeheterothripidae Heterothripidae Thripidae Fauriellidae Suborder Tubuliferas in vegetableVegetable is a nutritional and culinary term denoting any part of a plant that is commonly consumed by humans as food, but is not regarded as a culinary fruit, nut, herb, spice, or grain. In common usage, vegetables include the leaves (e. lettuce), stemss.

Regent is effective against a variety of pests, but there are increasing concerns about its environmental and human health effects. Its use has become problematic in FranceThe French Republic or France ( French: Republique francaise or France is a country whose metropolitan territory is located in western Europe, and which is further made up of a collection of overseas islands and territories located in other continents., where it has been considered responsible for the drop in beeThis article is about the insect. For the character B, see B. Andrenidae Anthophoridae Apidae Colletidae Ctenoplectridae Halictidae Heterogynaidae Megachilidae Melittidae Oxaeidae Sphecidae Stenotritidae Bees Apoidea superfamily) are flying insects, close population, after bees became disoriented and unable to return to their hives.

Maurice Mary, vice-president of the National Union of French Beekeepers (UNAF) was quoted as saying, "It's enough for the insect to alight on the plant to receive a dose of neurotoxicity. All the auxiliary fauna is decimated."

Fipronil is/was also employed under tradenames, for other purposes, for example, cockroachCockroaches Madagascan Hissing Cockroach (Gromphadorhina portentosa). This insect is 3 inches (8 cm) long. See main text for more information. Kingdom: Animalia Phylum: Arthropoda Class: Insecta Subclass: Pterygota Infraclass: Neoptera Order: Blattodea Fa and ant control under the trade names Goliath and Nexa, Chipco Choice for golf courses and commercial turf, and Termidor for termite pests. It is also a component of the trademark insecticide Frontline or Top Spot, which is used for flea, tick, and mite control.