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Author Topic: list of toxicity to honey bees of pesticides  (Read 524 times)
House Bee
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Posts: 498

Location: S-E Michigan

« on: June 26, 2013, 04:40:30 PM »

I put this in both general and pest control sections, not sure if I should of but....

Figured folks may find this list I came across useful. maybe it is worthy to be a sticky?

Group 1 – Highly Toxic
Severe losses may be expected if the following materials are used when bees
are present at treatment time or within a few days thereafter,
except as indicated by footnotes.
(LD50 less than 2mg/bee)

   abamectin (Agri-mek, Avid)
   acephate (Orthene)
   aldicarb (Temik)
   aminocarb (Matacil)
   azinphos-methyl (Guthion, APM)
   carbaryl (Sevin)
   carbofuran (Furadan)
   chlorpyrifos (Lorsban, Dursban)
   diazinon (Basudin, Bug-B-Gon, Dia-One)
   dichlorvos (DDVP)
   dimethoate (Cygon, Di-Thoate, Lagon)
   fenitrothion (Sumithion, Folithion)
   fensulfothion (Dasanit)
   fenthion (Baytex, Tiguvon, Spotton, Lysoff, Entex)
   fenvalerate (Bovaid)
   fonofos (Dyfonate)
   Imidacloprid (Gaucho)
   lindane (Lindane, Ambrocide, Stockpest)
   malathion (Malathion 50E, Malathion ULV, Cythion, Fyfenon)
   methamidophos (Monitor)
   methidathion (Supracide)
   methiocarb (Mesurol)
   Methomyl (Lannate)
   naled (Dibrom)
   permethrin (Ambush, Pounce, Ectiban, Atroban, Permectin, Siecn)
   phosmet (Imidan)
   propoxur (Baygon)

Group 2 – Moderately Toxic
These can be used around bees if dosage, timing, and method of application are correct,
but should not be applied directly on bees in the field or at the colonies.
(LD50 between 2 and 11 mg/bee)

    coumaphos (Co-Ral)
   crotoxyphos demeton (Systox)
   disulfoton (DiSyston)
   endosulfan (Thiodan, Thionex)
   formetanate hydrochloride (Carzol)
   oxamyl (Vydate)
   oxydemethon-methyl (Metasystox-R)
   phorate (Thimet)
   phosalone (Zolone)
   sethoxydim (Poast)
   terbufos (Counter)
   triforine (Funginex)

Group 3 – Relatively Nontoxic
These can be used around bees with a minimum of injury.
(LD50 greater than 11 mg/bee)

    2,4-D (Weed-B-Gone)
   2,4-DB (Weedaway, Caliber, Cobutox, Embutox, See)
   Amitrole (X-all, Steril, Altizol, Amitrol-T, Amizol)
   anilazine (Dyrene)
   atrazine (AAtrex)
   Bacillus thuringiensis (Dipel, Thuricide, Novabac, Vectobac, Teknar, Foray, Trident, Novodor, Tersan)
   benomyl (Benlate)
   bentazon (Basagran)
   Bordeaux mixture
   bromacil (Hyvar)
   bromoxynil (Pardner, Torch, Brominal, Unity, Karil)
   butylate (Sutan+)
   captan chloramben (No-Hoe)
   chlormequat chloride (Cycocel)
   chlorophacinone (Rozol, KSC5, Rat-XC, Super Bloc, Ratol, Disblok, Ground Force, Parapel, Gopher Doom, Ratachlor)
   chloropicrin (Timber Fume)
   chlorothalonil (Bravo, Daconil, Nopcocide, Nuocide, Exotherm, Termil)
   chlorpropham (Sprout Nip, ChlorolPC, Spud-Nic)
   clofentezine (Apollo SC)
   Copper 8-quinolinolate (PQ, Quinolate, Cupristat)
   cyanazine (Bladex) cycloate (Ro-Neet)
   daminozide (B-Nine Sp)
   dazomet (Basamid, Slime-Trol, Metasol, Nalcon, Amerstat)
   dicamba (Banvel, Dycleer, Clarity, Cadence)
   dichlobenil (Casoron, Stryke)
   dichlone (Phygon)
   diclofop-methyl (Hoe Grass)
   dicofol (Kelthane)
   dienochlor (Pentac)
   diflubenzuron (Dimilin)
   dinocap (Karathane)
   Diquat (Reglone) diuron (Diurex, Karmx)
   dodemorph acetate (Meltatox)
   dodine (Betz, Equal, Cyprex, Syllit)
   endothall (Des-i-cate) EPTC (Eptam, Eradicane)
   ethephon (Cerone, Ethrel, Nu-Tomatotone, Base-250)
   ethofumesate (Nortron)
   ferbam folpet (Phaltan, Folpan)
   fosamine ammonium (Krenite)
   gibberellic acid (Activol)
   glyphosate (Round-Up, Side-Kick, Wrangler, Laredo, Renegade, Rustler, Rup, Clear-it, Touchdown, Glyfos)
   iprodione (Chipco) linuron (Lorox)
   mancozeb (Manzate, Penncozeb)
   maneb MCPB (Topside, Tropotox)
   mecoprop (Mecoturf, Compitox, Chemweed)
   metalaxyl (Apron, Subdue, Ridomil)
   metaldehyde (Slug Bait)
   methoxychlor (Flo-pro, Methoxol, Moth Proofer, Marlate)
   methyl bromide (Meth-O-Gas, Terr-o-gas)
   metiram (Polyram DF)
   metobromuron (Patoran)
   metolachlor (Dual)
   metribuzin (Sencor, Lexone, Fire)
   monolinuron (Afesin)
   MSMA (Glowon)
   napropamide (Devrinol) naptalam (Alanap)
   nicotine oxadiazon (Ronstar)
   oxycarboxin (Plantvax)
   paraquat (Sweep)
   pebulate (Tillam)
   phenmedipham (Spin-Aid)
   picloram (Tordon)
   pirimicarb (Pirimor)
   prometryn propargite (Omite)
   rotenone (Noxfish, Deritex, Rotacide, Chem-fish, My-T-Mite)
   simazine (Princep)
   sulfur (Kumulus)
   TCA [trichloracetic acid] (NATA, Bar-Fox)
   terbacil (Sinbar)
   thiabendazole (Arbortect, Mertect, Apl Lustr, Britex)
   thiophanate-methyl (Senator, Easout, Zap Cap)
   thiram (Skoot, Ropellant)
   trichlorfon (Dipterex, Dylox, Grybex)
   triclopyr (Garlon)
   trifluralin (Treflan, Triflurex, Rival, Bonanza)
   vernolate (Vernam, Surpass)
   warfarin (Rodentkil, Warfarin)
   zineb (Zineb)
   ziram (Ziram)
Queen Bee
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Posts: 1063

Location: south Florida

« Reply #1 on: July 05, 2014, 11:05:46 AM »

where does Neem oil fall on the list
House Bee
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Gender: Male
Posts: 246

Location: Plymouth, MA

« Reply #2 on: July 05, 2014, 09:27:29 PM »

Holy smokes! What a lot of pesticides! A little scary to think about...
House Bee
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Posts: 498

Location: S-E Michigan

« Reply #3 on: July 06, 2014, 01:53:15 AM »

Ah posted this a year ago. Still a good list to know though, surely.
pumpkin vine creek
New Bee
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Posts: 5

Location: NW Georgia

« Reply #4 on: July 06, 2014, 08:55:35 AM »

Thanks for posting the list. I only spray 2-4d and roundup, glad to see they are not too bad. I still try to use as little as possible, I have a big poison ivy problem here and have to control it.
Field Bee
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Gender: Male
Posts: 537

Location: Washougal, WA

« Reply #5 on: July 06, 2014, 10:21:02 AM »

I say sticky this!

“I now have absolute proof that smoking even one marijuana cigarette is equal in brain damage to being on Bikini Island during an H-bomb blast” – Ronald Reagan
Field Bee
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Gender: Female
Posts: 762

Location: Enumclaw Plateau, WA

« Reply #6 on: July 07, 2014, 11:38:16 AM »

Thanks for the link!  Nice information to have!
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