Ohio State University Extension Bulletin

Poultry Pest Management

Bulletin 853


Boric Acid

A new insecticide labelled for control of darkling beetles, hide beetles and flies, known as orthoboric acid (SafeCide), provides long residual control up to nine to twelve months or longer. Both adult beetles and larvae are killed by contact or ingestion.

Usually a quick-kill insecticide is used prior to SafeCide to kill beetles away from the litter. A 99 percent IC and/or 30% bait formulation is applied directly to the manure. For poultry houses in which birds are grown on litter, remove birds before applying the bait uniformly to the floor or to old litter by fertilizer or seed spreader at the rate of one to two pounds per 100 square feet, in bands along feeder lines. Spread fresh litter at least four inches uniformly over all treated areas (floor or old litter), then introduce birds. Reapply after each growout, if needed.

For poultry houses in which birds are grown in cages (layer or high rise "pit type" houses), birds do not have to be removed prior to application of bait.

For control of beetle adults and larvae in poultry houses using SafeCide IC, remove birds before dry and wet applications. Use one to two pounds for each 100 square feet of treated surface for dry application, dusting side walls, top plates, posts and framing. For wet application, mix dust at the rate of one to two pounds per three gallons of water to apply over 100 square feet of treated surface.

For additional label information, contact:

Schering-Plough Animal Health
P.O. Box 529
Kenilworth, NJ 07033
Telephone (800-293-0477)

Resistance

House fly resistance is genetic in nature, developing more quickly under heavy doses of pesticide or very frequent application. Insects resistant to one insecticide can be cross-resistant to other insecticides of the same class or even having a similar mode of action. The only proven solution to resistance problems is to rotate the use of different classes of insecticides.

Chemical Class or Family

Boron Compound
boric acid (SafeCide)

Botanical
pyrethrins

Carbamate
carbaryl (Sevin)
methomyl (Apache, Improved Golden Malrin, Fatal Attraction)

Organophosphate
coumaphos (Co-Ral)
dichlorvos (Vapona)
dimethoate (Cygon, Residual Fly Spray)
malathion
tetrachlorvinphos (Rabon)
tetrachlorvinphos & dichlorvos (Ravap)
trichlorfon (Dipterex)

Pyrethroid
cyfluthrin (Tempo)
permethrin (Atroban, Expar, Insectaban, Insectrin, Insectrin X, Permectrin II, Hard Hitter)

Triazine
cyromazine (Larvadex)


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