Cockroaches

 Introduction Cockroaches are known to have been present on Earth for nearly 350 million years.  They are among the most familiar of all insect pests in residential and commercial buildings and facilities. They are especially present where food is prepared or sanitation is lacking. Their sizes vary considerably.  Cockroaches are one of the most adaptable and successful insect groups. They…

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American Cockroach

American Cockroach General Description      Adult One and one-third to 2.5 – 4 cm long. Reddish-brown, with a light-colored ring along the edges of the pronotum. Male wings cover the tip of the abdomen, female wings do not.     Nymph Smaller than adults (size depends on how many molts they have been through). Small nymphs grayish-brown, larger nymphs redlish-brown. Wingless.…

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German Cockroach

German Cockroach: General Description     Adult About 1.25 cm long. Grayish-tan or light brown in color, females darker than males. Two black longitudinal stripes on the pronotum. Wings cover the tip of the abdomen.          Nymph Smaller than adults (size depends on how many molts they have been through). Brownish-black with a pale tan stripe down the middle…

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Oriental Cockroach

Oriental Cockroach General Description     Adult 5 cm (males) to 2.5 – 3.5 cm (females) long. Very dark brown to shiny black in color. Male wings are wide and short, leaving the last few abdominal segments exposed. Females are wingless, but have short triangular wing pads behind the pronotum.      Nymph Smaller than adults (size depends on how many…

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