Fly Predators

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About Fly Eliminators:

Fly Eliminators are gnat-sized, nocturnal, burrowing fly parasites that parasitize and kill manure-breeding fly pupae (filth flies) to control adult flies. They do not bite, sting, or harm humans and animals. Larval control is one necessary step in a complete fly control program. Adaptable to all climates, these parasitic wasps develop within fly pupaes, killing the immature fly in the process. The adult Fly Eliminators' life span is dependent on temperature, but averages 3-4 weeks. Periodic releases of Fly Eliminators are recommended to keep up with the highly active female flies rapid egg laying. Expect a reduction in general fly population in four to six weeks.

Fly Eliminators are suitable alternatives to chemical fly sprays and broad spectrum insecticide use for prolonged fly control.


When To Release Fly Eliminators:

Release when spring temperatures first arrive (after final frost date). It takes three consecutive days of 40°F weather for the overwintering fly populations to start hatching and maturing. Each female fly lays up to 1,000 eggs in her lifetime, so it is important to begin releasing the parasites early in the fly season. Released fly parasites begin parasitizing fly pupae immediately after hatching.

Continue releasing the Fly Eliminators throughout the entire fly season (until the first significant frost). It is important to release all recommended batches. The last batch may overwinter in warm climates, but should not be relied upon for fly control the following season.

Notify an ARBICO consultant if any of your conditions change, ie. you have more animals, ants are becoming a problem, or your neighbor just brought home more animals that may affect fly numbers.


How & Where to Release Your Fly Eliminators:

Place Fly Eliminators nearby all potential fly-breeding areas. "Hot spot" locations include the following:

Manure and Urination Areas: 
• Inside barns, stables, stalls, hospital pens, or loafing sheds 
• Around corral posts. Paddock areas, along fence lines, and other frequented dropping sites 
• Around the perimeters of manure piles, pits, bins, or carts 
• In kennel or coop areas where manure accumulates

Watering and Feeding areas: 
• Under water troughs, around barrels, buckets, or other devices 
• Where spilling or leakage occurs 
• Around bathing areas, drainage sites, and perimeters of run-off or stagnant pools 
• Areas where feed, straw, or hay have decomposed

Other Fly-Breeding Areas: 
• Around compost piles and family gardens 
• Alongside garbage cans

To release, make a small hole in the ground with your shoe heel, drop in a small handful of Fly Eliminators, and cover them with straw, earth, or manure to protect them against wind, birds, ants or pesticides. Distribute them every 15-20 feet around highly active breeding sites. Use as small as a teaspoon or as large an amount as a handful. Fly Eliminators travel up to 150 feet in search of fly larvae and pupae.

Apply to as many hot spots as possible with your first application, concentrating heavily on the obvious fly-breeding areas. Repeat this release procedure in slightly different spots on subsequent applications. This will help new cultures of parasites distribute evenly throughout the fly season.

DO NOT place the parasitized pupae in standing pools of water or in the center of manure piles. Apply them around the perimeters of those areas.

All sales final. No refunds, returns or exchanges on perishable items.