More than 10,000 species may exist worldwide. Approximately 570 species occur in the United States, and of these, fewer than 30 species may regularly infest homes and other buildings - with only ten species considered significant pests. Ants have succeeded in replacing other structural pests as the number one pest in homes in many parts of the United States.

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There are more than 120,000 species of flies worldwide, with about 18,000 found in North America. A female housefly can lay up to 600 eggs in her short lifetime. Most flies live an average of 21 days and take on various shapes throughout their short lives.

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Wherever man can survive, so can cockroaches. Cockroaches are born scavengers. The worldwide estimate of the number of cockroaches is around 3,500 species, but that number is likely far more significant.

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Scorpions are arachnids. They are close relatives of ticks, mites, and spiders. There are approximately 1,300 species of scorpions worldwide. Scorpions are characterized by an elongated body and a segmented tail that is tipped with a venomous stinger. Scorpions are very common in the Southern and Southwestern United States.

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Spiders generally hide in the dark, secluded areas of homes. You will commonly find spiders in closets, basements, attics, corners of doorways, and underneath furniture.

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