ST. PAUL, Minn. – White-tail deer throughout Minnesota are carrying nicotine-like neonic insecticides in their systems, according to a state wildlife agency study. The Department of Natural Resources said further analysis is required to determine the effects on deer health. Neonics are the most widely used class of insecticides worldwide. It isn’t believed that there is a human health risk from eating venison from infected deer, but academic studies in Montana and the Dakotas have found stunted spleen development and other organ and developmental problems among does and fawns. It is neonics that have been theorized as a cause of honey-bee colony collapses. These are primary manufacturers of neonicotinoids and their U.S. products:

>Bayer: Admire, Advocate, Calypso, Confidor, Gaucho.

> Sumitomo: Capstar, Guardian, Poncho, Dantosu, Dantop, Belay.

> Nippon Soda: Mospilan, Assail, Chipco Tristar.

>Mitusui Chemical: Safari, Starkle, Venom.

Their use primarily is against sucking insects, some chewing insects, soil insects and fleas on domestic animals.