FAQ

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Do stink bugs bite?

No. Stink bugs neither sting nor bite, and they are not known to transmit disease.

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Do stink bugs mate and lay eggs inside my house?

No; their only purpose in being inside is for shelter and warmth. They will not mate until they are outdoors in the spring and summer.

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How many eggs does a female stink bug lay?

Each female stink bug can produce at least 400 eggs throughout the spring and summer months.

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What do stink bugs do to plants?

The stink bug is a huge agricultural pest, feeding on a wide variety of host plants. Crops attacked include everything from apples to zucchini. Stink bugs have also been reported on many ornamental shrubs and trees. The spots left by their feeding render fruits and vegetables unmarketable. Tens of millions of dollars in damage to farmers have already been reported in the mid-Atlantic states.

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What is the stink bugs' life cycle?

In April/May, adult stink bugs emerge and start moving outside to mate and lay eggs on leaves of plants and trees.

From May through August, flightless, juvenile stink bugs, called nymphs, hatch and start feeding on vegetables and fruit.

From July to September, nymphs become adult stink bugs, which can fly, and continue feeding in gardens, field crops, orchards and fruit trees.

September/October: As plants are harvested and food sources dry up, stink bugs begin seeking shelter to overwinter. Homes are a prime target.

October-April: Stink bugs overwinter in sheltered locations, typically in attics. They become a nuisance around the house in early spring.

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Why are there so many stink bugs in my house?

Stink bugs enter homes in the fall to overwinter. They can get in through cracks around windows, doors, siding, utility pipes, behind chimneys, underneath wood fascia and through openings near attics.

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Why do they stink?

When threatened, stink bugs emit a chemical secretion as a defensive measure. Contrary to popular belief, the scent will not attract more stink bugs to that location because it serves as a warning signal to other stink bugs.

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How to place the trap outside during summer.

Click here for the "Dos and Don'ts" of placing the trap for summer.

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How does it kill stink bugs?

Stink bugs are lured inside the trap, where they dehydrate.

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How does the RESCUE!® Stink Bug Trap work indoors?

Used indoors from late winter through early spring, the RESCUE!® Stink Bug Trap lures these pest insects with a special blue LED attachment that plugs into a wall outlet or battery pack. The light needs to be visible to stink bugs where they are active. The stink bugs crawl or fly to the trap, walk up the green ‘fins’ and through the cone, and get trapped inside the clear chamber where they dehydrate.

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How does the RESCUE!® Stink Bug Trap work outdoors?

Used outside in summer, the RESCUE!® Stink Bug Trap lures these pest insects within a  30-foot radius with multiple pheromone attractants. The stink bugs crawl or fly to the trap, walk up the green ‘fins’ and through the cone, and get trapped inside the clear chamber where they dehydrate.

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Is the trap toxic to humans or animals?

No; as with our other RESCUE!® products, the RESCUE!® Stink Bug Trap works with a non-toxic mode of action.

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What time of year do I use the RESCUE!® Stink Bug Trap indoors?

Use when stink bugs are active inside the home – generally between February and April.

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What time of year should I use the RESCUE!® Stink Bug Trap outdoors?

The optimum stink bug catch period outdoors takes place from April through November. To break the life cycle and reduce stink bug populations that enter homes in the fall, continue using the trap outdoors through spring, summer and fall. Those who have vegetable gardens should start using the trap in spring, before the first plants get established.

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When and how do I clean it out?

Empty the stink bugs from the trap when they accumulate halfway up the cone, or when the AttracStik lures are due to be replaced (2 weeks for initial use, 7 weeks for attractant refills).

Turn trap upside-down and tap on the clear tube to knock stink bugs off inner cone. Unscrew cap, remove inner cone and empty stink bugs into trash or flush down the toilet.

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Where do I place the RESCUE!® Stink Bug Trap indoors?

Place the RESCUE!® Stink Bug Trap with the light attachment in a darkened room of the house where there is no competing light source at night. For best results, place it where you have seen stink bug activity and where the trap is in their line of sight.

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Where do I place the RESCUE!® Stink Bug Trap outdoors?

When using the RESCUE!® Stink Bug Trap outdoors, the best location is in a deciduous tree. If protecting a vegetable garden, place the trap three feet from the edge of the garden, at least three feet off the ground. Secure the green fins to a tree trunk, stake or pole, making sure the trap is upright. To protect all sides of a yard or garden from stink bugs, multiple traps may be necessary. In fall, to intercept stink bugs before they migrate toward homes, hang the trap at eye level and 15-20 feet from the house.

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How are flies able to walk upside-down on a ceiling?

On the feet of houseflies are tiny pads covered with hair which ooze a sticky liquid. These sticky hairs enable them to cling to any surface.

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How do flies eat?

Flies can only ingest liquid food. The mouth parts of a house fly are adapted for sponging up liquids; they cannot bite. They feed on solid food by regurgitating saliva on it. This liquefies the solid material which is then sponged up.

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How far can flies fly?

House flies can easily move one to two miles. Longer distances are possible but require unique circumstances.

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How long do houseflies live?

An adult housefly lives only 2 to 4 weeks, depending upon the temperature.

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How many eggs can a female housefly produce?

An adult female housefly may lay up to 2,400 eggs in her lifetime. In just one day, the female can lay 100-150 eggs in various locations. Three days after a housefly lays eggs, it will mate again. There can be 10 to 12 generations in a single summer.

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How many species of flies exist?

Some 120,000 different kinds of flies are now known. Some estimates indicate there may be more than 1,000,000 species living today.

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What diseases do flies carry?

Flies have been implicated in the transmission of at least 65 human and animal diseases, most notably:

  • Diarrhea
  • Dysentery
  • Cholera
  • Conjunctivitis (pinkeye)
  • E. coli
  • Food poisoning
  • Gastrointestinal infections
  • Salmonella poisoning
  • Stomach ulcers
  • Tuberculosis
  • Typhoid fever

Flies can carry these germs from filthy breeding sites to the dinner table or spread some diseases within animal herds or flocks.

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What is the life cycle of the house fly?

There are four stages: egg, larva, pupa and adult. The housefly can go through complete metamorphosis in as few as eight days, when temperatures are warm. Other fly species have similar life cycles.

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Where do flies lay their eggs?

Flies lay eggs in manure, wet feed, garbage or any moist decaying organic matter.

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Why do flies pose a health hazard?

The house fly is a danger to the health of man and animals principally because it carries and spreads diseases that may be in the materials it breeds in, feeds on, or walks on.

Flies breed and lay eggs in garbage, animal feces, and decaying organic materials. They land upon any kind of filth. Over 100 different species of pathogens can survive by the millions on their outside surface and hairs, and in their digestive and blood systems.

On the feet of houseflies are tiny pads covered with hair which ooze a sticky liquid. These sticky hairs not only enable them to cling to any surface, but also are responsible for bacteria sticking to the feet.

Flies regurgitate their stomach contents to liquefy their food and defecate often while feeding, depositing pathogens.

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Can the trap be used indoors?

No; the trap is meant for outdoor use only, for several reasons. It is intended to draw the flies away from human activity. It also needs sunlight to activate the attractant and air circulation to disperse it. In addition, the odor from the attractant may make it unpleasant to use indoors.

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Does the Fly Trap have an expiration date?

No; the unused attractants will last indefinitely.

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Does the trap work on fruit flies?

Occasionally the trap may catch a few fruit flies, but it is really intended for common house flies or filth flies – those that are bothersome in areas around garbage, dog kennels and livestock.

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How do I dispose of the trap?

When the Disposable Fly Trap bag is full, push the top cap in and place the entire trap in the garbage. You may want to wrap it in a separate plastic bag first to prevent it from leaking.

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How do I know when the trap is full?

The trap is full when the flies are no longer able to get in because the cone entrance is blocked. The water in the trap will also appear black.

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How long will the Fly Trap last?

It depends on how bad your fly problem is. Each Disposable Fly Trap can capture between 15,000 to 20,000 flies. The Big Bag Fly Trap has the capacity to hold 40,000 flies. Depending upon the degree of your fly problem, the trap can fill up in anywhere from three days to two weeks to several months.

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My pet ate the trap/attractant. Is it harmful? What should I do?

The attractants could cause a slightly uncomfortable sensation in the animal’s mouth or an irritated stomach similar to what humans experience when they eat hot or spicy foods.

Give the animal a bowl of water or milk to drink, to dilute the product, and keep the animal under observation. Symptoms should resolve themselves within a few hours after ingestion.

If the trap contains a significant amount of dead insects, this can cause bacteria exposure leading to vomiting, diarrhea or dehydration.

Scientists and veterinarians have reviewed the possible effects of the ingredients and have found no lasting harmful effects.

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Water is evaporating in the trap; can I add more?

Yes; the water should be at the fill line so that there will be enough for the flies to drown.

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What do I do with the pouch in the Fly Trap?

The pouch contains the fly attractant. It will dissolve when water is added to the trap according to the package directions.

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What ingredients are in the attractant?

The attractant is not a poison. The actual ingredient list is a trade secret. All of the active ingredients in the powder attractant are approved by the FDA as either food or feed ingredients. The other components are either food ingredients, very safe or inert.

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What is the range of the trap?

The trap will cover a radius of 10 to 20 feet.

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What kills the flies?

Once inside, the flies cannot escape and eventually drown in the water added to the trap.

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Where do I place the trap?

Hang from a tree limb, fence or post. Hang about 20-40 feet from a house, to draw flies away from human activity.

The trap will work in the shade when the temperature is very warm, but in cooler temperatures, placing the trap in direct sunlight will help activate the attractants.

Some good locations for the trap: Near stables and barns, next to a dog kennel (high enough to be out of reach of the dog), near garbage containers, compost piles, etc.

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Do yellowjackets die after they sting?

No. Unlike bees, yellowjackets do not lose their stinger, so they can sting numerous times. They can also bite.

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Do yellowjackets keep the same nest year after year?

In most cases, no. The nest decomposes after the season and is not reused. In some warmer climates, however, perennial nests have been found to exist.

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Do yellowjackets serve any beneficial purpose

Some reports indicate that yellowjackets attack other insects such as house flies, caterpillars and grasshoppers. Fall webworms and codling moths may be taken as prey by several yellowjacket species. It is commonly accepted, however, that the problems caused by yellowjackets outweigh any beneficial aspect. Besides the danger they present by stinging and biting humans, they cause damage to fruit crops such as apples, pears and grapes, resulting in economic losses. Beekeeping operations, commercial tree growers, logging/sawmill businesses and forest firefighters have all been thwarted by yellowjacket problems.

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How do you know if you are allergic to a yellowjacket sting?

Some signs you may be allergic:

  • Severe swelling in parts of the body distant from the sting site.
  • Widespread skin irritation
  • Constriction in the throat and chest, or difficulty breathing
  • Dizziness or fainting.

If you experience any of these symptoms after a sting, contact a physician immediately.

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How do you treat a yellowjacket sting?

  • Wash the wound carefully with soap and water. This will help remove the venom. Apply cold water or ice in a wet cloth, or a paste of meat tenderizer with water.
  • Take a pain reliever or an oral antihistamine to reduce swelling.
  • Apply a calamine product to reduce itching.
  • Lie down.
  • Lower the stung arm or leg below the heart.
  • Do not drink alcohol or take sedatives.
  • If the sting is to your throat or mouth, seek medical attention immediately because swelling in these areas can cause suffocation.
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I think I have a yellowjacket nest in my yard. What should I do?

We recommend calling a professional pest control operator to remove the nest because of the danger involved. Yellowjackets will vigorously defend their nest if it is disturbed.

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If yellowjackets are bothering me, does that mean there is a nest nearby?

Not necessarily. Yellowjackets will travel over 1,000 feet from their nest to forage for food. That’s a distance of three football fields!

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What is the difference between queen and worker yellowjackets?

Yellowjacket queens can be up to three times larger and wider than the workers. Queens are the first to emerge in the first warm days of spring; at this time, they select a new nest site and lay their eggs. The workers emerge about 30 days later, and the colony attains maximum size -- up to 4,000 workers – in August or September.

When you use the RESCUE!® Reusable Yellowjacket Trap in the spring, you can catch several queens and thereby lessen the chance that a yellowjacket nest will be built on or near your property.

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What is the difference between yellowjackets and paper wasps?

The yellow and black coloring may appear similar, but paper wasps have more slender abdomens and longer legs that dangle down while they are in flight. Their nests are usually built under eaves, while yellowjackets most often will build their nests in the ground.

The appearance of yellowjacket and paper wasp nests also differs. Paper wasp nests look like honeycombs with multiple openings, while yellowjacket nests have a single opening.

If it has been over 4 hours since you activated your RESCUE!® trap and it is not attracting yellowjackets, you may have paper wasps instead.

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What times of year are yellowjackets most likely to sting?

In late summer or early fall, when their nests reach maximum size.

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When is yellowjacket season?

The season begins anywhere from March to May (depending upon the climate) and lasts through September or October. The queens emerge in the first warm days of spring to select a nest site to lay eggs, and the worker population grows to maximum size in late summer/early fall.

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Where do yellowjackets make their nests?

Yellowjacket nests are most often built underground. The nest has a single entrance, usually no larger than the size of a nickel. Other locations include wall voids of buildings, hollow trees or logs, and attics. There is also a species commonly referred to as the “aerial yellowjacket” which makes nests in trees.

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Can I use the trap indoors?

No; the trap is meant to be used outdoors only, to draw the yellowjackets away from human activity. The trap also needs airflow to disperse the attractant.

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Does the RESCUE!® Yellowjacket Trap catch ground hornets or meat bees

Yellowjackets are sometimes referred to as ground hornets, ground bees or meat bees in different parts of the country. If it's truly a yellowjacket, we will catch it!

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Does the trap work on paper wasps?

The RESCUE!® Yellowjacket Trap will not catch paper wasps; however, we will have a new trap on the market in 2009 that will. The W·H·Y Trap for Wasps, Hornets & Yellowjackets from RESCUE!® will catch 6 species of Paper Wasps; Bald-faced Hornets and European Hornets; and 12 species of Yellowjackets. Visit www.whyistheanswer.com to learn more.

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How close to the nest should I place the trap?

The trap should be placed no closer than 20 feet away from a yellowjacket nest. (Nests are usually underground, with an opening the size of a nickel.)

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How do I empty the trap if there are live yellowjackets inside?

Placing the trap in the freezer for a couple of hours will kill any remaining yellowjackets. Be sure to first tape over the bottom entrance holes.

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How often do I replace the attractant in the trap?

The liquid form of the RESCUE!® Yellowjacket Attractant should be replaced every 2 to 3 weeks. If it dries out (as in very hot temperatures), you may add a few drops of water to the cotton ball to extend the life of the attractant.

The RESCUE!® Yellowjacket Attractant Cartridge lasts up to ten weeks.

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What is the range of the trap?

The trap should cover a radius of 20 feet. Three to four traps will cover an average-sized yard.

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What is the shelf life of the attractant?

The unopened attractant can be used indefinitely -- there is no expiration date.

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What should I do if a child or animal ingests the attractant?

The product itself does not pose a health risk...the main concern is the scent because it will draw yellowjackets. Give them water or milk to drink, wash the substance off of the face and mouth with soap and water, and scrub their tongue with toothpaste to remove the scent.

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What should I do if the attractant gets in someone’s eye?

The substance may be a mild irritant but will cause no permanent damage. Rinse the eye with water for 20 minutes to flush the substance out.

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What should I do if the attractant spills on someone's skin?

Again, the main concern is to remove the scent because it will draw yellowjackets. Wash the substance off completely with a soap that removes grease until the scent is completely gone.

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What time of day is it safe to hang or empty the trap?

Evening or early morning are the best times to hang or empty the trap, when there is no yellowjacket activity. We recommend emptying the trap before the dead yellowjackets accumulate above the cone

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Where do I place the trap?

Place the trap away from human activity, as yellowjackets will be drawn to the area near the trap. Place where there is air movement, but not strong wind. For best results, it is a good idea to place traps around the perimeter of your property to create a barrier. If you know a nest is nearby, the trap should be placed at least 20 feet away from it.

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Will honey bees be attracted to the RESCUE!® trap?

RESCUE!® Yellowjacket Traps will not catch honey bees. While yellowjackets pose a threat to humans, honey bees are not dangerous and are regarded as beneficial insects since they pollinate crops and flowers and produce honey.

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Will the trap work without the attractant?

The RESCUE!® Yellowjacket Attractant is the primary attractant for drawing yellowjackets to the trap. You can use it with the supplemental attractants we suggest on the package instructions, but food used alone will yield smaller and short-lived catches. Replacements of our attractant can be found at the retailer where you purchased the trap.

You can enhance the effectiveness of the reusable trap by adding a protein supplement during the summer season, in addition to the RESCUE!® Attractant. We recommend turkey ham because it doesn't spoil and provides the most consistently successful results. Products high in fat content quickly spoil and will actually deter yellowjackets – as will any decayed matter. During the late summer and early fall, a carbohydrate supplement (such as apple juice concentrate) is recommended.