2012年1月11日星期三

If you want to test chemical Canada Goose down coat

Bed bugs are a growing source of aggravation, particularly in the developed Western world, because bedbugs were largely wiped out there by the late 1950's. This means that most people under 50 years of age had almost certainly never seen a bedbug until after 1995, when they made a big return. Their numbers are still increasing quickly, so a lot people are turning to thinking about killing bed bugs.This is due to two main issues: their natural resilience and their tolerance to contemporary household chemical pesticides. Their natural toughness is due to a waxy goose down coating on their bodies which protects them from surfactant pesticides to a great extent and their resistance to chemical pesticides is probably due to the fact that they were exterminated in the West in the 1940's and 1950's by the extensive use of DDT.The waxy goose down coating on bedbugs blocks their rapid dehydration, which is why they can lie dormant for up to five months waiting for a fitting host to come along.


It is also the reason why a lot of contact pesticides are ineffective. Therefore, one of the tactics for killing bed bugs is getting rid of that waxy goose down coat.People knew this 150 years ago, but they lacked the technology to really take advantage of the information. People often used to put down crushed dried leaves or sharp sand. In the 19th century, lime, ash and diatomaceous earth were utilized to wear away the outer waxy goose down coating. The latter was especially effective and has seen an increase in usage over the last few years as an option to chemicals.One way of killing bed bugs that will not work is catching them and crushing them, even if you did wrap sticky insect bands around the legs of your bed. Bed bugs cannot fly, but they would still get at you. They are not averse to walking up to the ceiling and dropping on to you.If you want to test chemical insecticides, then there are three basic types. The first sort attempts to copy the effects of diatomaceous earth. It is a spray that contains pulverized glass or silica mixed with a contact pesticide. This does not sound a healthy environment for humans or pets either though.



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