Tom Flank
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From Overseas. Bed bugs have increased in America over the last few years due to international travels, importation of goods, and the fact that pest control measures no longer include the use of chemicals from the past that were effective but were outlawed due to their harmful effects on the environment . They have also developed resistance to many chemicals readily available to the public.
About a year. Bed bugs can live about a year usually and can live for months in a dormant state without even feeding.
Very simple. Human blood. At first very few insects are present, feeding intermittently on the host and may not be noticed, but after some time, hundreds of eggs can be laid within 10 days, and within a month there will be a dangerous infestation.