Cheshire Pest Control

Archive for June, 2010

According to the National Institute of Environmental Health Sciences, the University of Washington and Harvard University, allergen-proof mattress and pillow covers, weekly laundering of other bedding and very careful vacuuming and dry steam cleaning of bedroom carpets and upholstery — can significantly reduce the levels of dust mite allergens, read on.

There are some very simple steps to reduce the levels of dust mite allergens in bedrooms

1) Allergen-proof mattress and pillow covers, weekly laundering of other bedding

2) Very careful vacuuming and dry steam cleaning of bedroom carpets and upholstery

According to scientists with the National Institute of Environmental Health Sciences, the University of Washington and Harvard University reported.

What are dust mites?

Dust mites are microscopic spider-like creatures that feed on flakes of human skin and reside in bedding, carpets, upholstery, draperies and other “dust traps.

“Dust mite allergens – substances which can cause an allergic reaction — are proteins found in the mite’s feces.

Purpose of study

The purpose of the study was to evaluate practical methods for lowering these allergens in bedrooms of low income, urban homes. Thirty-nine homes in Seattle, Washington, were studied.

Pillows, box springs, and mattresses were encased with allergen-impermeable covers. Bedding was washed weekly in hot water either in the home or professionally.

Carpets received a single treatment of intensive vacuuming plus dry steam cleaning or intensive vacuuming alone. Upholstered furniture received either dry steam cleaning or intensive vacuuming.

What are the results?

Studies have shown that exposure to house dust mite allergens is a significant risk factor for the development of allergic diseases, such as asthma and rhinitis (hay fever).

A doctor said, “Results from an earlier study suggest that over 45 percent of U.S. homes, or approximately 44 million dwellings, have bedding with dust mite allergen concentrations that exceed a level that has been associated with allergic sensitization.

We estimated that 22 million homes have bedding with dust mite allergen concentrations at a level that can trigger asthma in susceptible people.

So we were eager to test ways to reduce these troublesome substances.”

Household cleaning

The researchers found that the interventions significantly reduced house dust mite allergen concentrations. T

he use of allergen-proof covers and either professional or in-home laundering of bedding reduced allergen levels in beds.

Both dry steam cleaning plus vacuuming and vacuuming alone lowered allergen levels in carpets. Vacuuming and dry steam cleaning each reduced allergen levels in upholstered furniture.

Dry steam cleaning machines have recently become available for home use.

“The decreases in dust mite allergens following a single vacuuming did not last as long as decreases following dry steam cleaning and vacuuming.

We believe that the hot dry steam kills the mites, and the vacuuming removes them from the carpet,” doctor said.

Sensitization

While the vacuuming and steam cleaning procedures reduced allergen concentrations below the levels believed to trigger asthma symptoms, the interventions did not reduce the concentrations below the levels associated with allergic sensitization.

Sensitization – the process by which the body’s recognition of a particular allergen leads to a physical response – is the first step in allergy development.

How to obtain allergen measurements?

In order to obtain allergen measurements below the sensitization level, people may need to do additional things such as remove carpeting from the floors, replace upholstered furniture with leather or vinyl covered furniture.

And reduce humidity levels in the house,” doctor said. “However, such a bare-bones home may be less desirable to the residents. In the meantime, more research is needed on inexpensive alternatives for maintaining long-term allergen control.”

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The springtime is the time when honeybees reproduce. The natural means of reproduction for honey bees is called swarming. The springtime swarming period typically last about three weeks. Normally a single swarm of honey bees divide and becomes two during the swarming period.

Because swarming typically means a loss of production so beekeepers try to discourage the behavior. One way that beekeepers eliminate swarming in their hives is by purchasing new bees each spring to replace their previous bees that they turned out of the hives the previous fall. Another method commonly used by beekeepers to discourage swarming is the creation of a starter colony. Creating a starter hive and then splitting it encourages bees to stay in their hives. Some beekeepers believe that bees only swarm when they have an abundance of food in the hive. Beekeepers who subscribe to this theory use a method called checker boarding to discourage their bees from swarming. When a beekeeper checkerboards their hives they remove some of the full frames of honey, giving the bees the illusion that they don’t have any honey in reserve, and therefore discouraging the bees from swarming.

It is unusual for a bees to swarm when there is a new queen in the bee hive. As time passes and the Queen ages is when the hive typically prepares to swarm, generally the elderly queen leaves with the primary swarm, leaving a virgin queen in her place. When the elderly queen is getting ready to swarm with the primary swarm she stops laying eggs. She concentrates on getting fit enough to fly when she leaves the hive (the only other time the queen has flown is when she went out on her nuptial flight). When smaller swarms leave the hive they are commonly accompanied by the virgin queen.

When they first leave the hive in a swarm, bees don’t typically go far from the hive they have always known. After fleeing the nest the bees settle on a nearby tree branch or under an eave. The worker bees cluster around the queen, protecting her. Once they have the queen protected, some bees, scouts, look around until they find a suitable hive to turn into their new home.

Some beekeepers see swarming as a way to restock their hives. An experienced bee keeper has no problem capturing a group of swarming bees. Beekeepers use a device to called a Nasrove Pheromone to lure swarming honey bees. When they swarm, honey bees carry no additional food with them. The only honey they are allowed to take from the parent hive is the honey they consumed. Although honey bees normally swarm only during the spring the same is not true of Africanized Bees, also called Killer Bees. The Africanized Bees swarm whenever they have a difficult time finding food. Although they typically don’t go after people when they are swarming, their is something about the site of a swarm of bees that scares people. It is not unusual for a beekeeper to be called out to capture a colony of swarming bees.

Learn about bee sting treatment and how to get rid of bees at the Bee Facts site.

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