Youtor
COCKROACH
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For more information: • http://www.7activestudio.com • [email protected] • http://www.7activemedical.com/ • [email protected] • http://www.sciencetuts.com/ • [email protected] • Contact: +91- 9700061777, • 040-64501777 / 65864777 • • 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force The Joy of Happy Learning -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. • • COCKROACH: Cockroaches are included in Class Insecta of Phylum Arthropoda.The body color of Cockroach is brown or black.Bright, yellow, red and green colored cockroaches have been reported in tropical regions, sizes ranges from 0.5 to 3 inches 0.6 -- 7.6 cm.It consists of long antenna, legs and flat extension the upper body wall that conceals head.They are nocturnal omnivores that live in damp places throughout the world.They have become residents of human homes and thus are serious pests and vectors of several diseases. • Morphology of Cockroach:The common species of cockroach Periplanetaamericana, adult measures about 34 to 35 mm long with wings extend beyond the tip of the abdomen in males.The entire body is covered by a hard chitinousexoskeleton.In each segment exoskeleton has hardened plates called scleritesdorsaltergites and ventral sternites or join to each other by a thin and flexible articular membrane arthrodialmembrane.The body of the cockroach is segmented and divisible into three distinct regions -- • 1 Head, 2 Thorax, and 3 Abdomen. • Head: Head is triangular in shape and present anteriorly at right angles to the longitudinal body axis, formed by the fusion of 6 segments and shows great mobility in all directions due to flexible neck. The head capsule bears a pair of compound eyes and a pair of thread like antennae arises from membranous sockets lying in front of eyes.Antennae have sensory receptors that help in monitoring the environment.Anterior end of the head bears appendages forming biting and chewing type of mouth parts.The mouth parts consisting of a labrum (upper lip), a pair of mandibles, a pair of maxillae and a labium lower lip.A median flexible lobe, acting as tongue hypopharynx lies within the cavity enclosed by the mouth parts. • Thorax: Thorax consists of 3 parts - prothorax, mesothorax, and metathorax. The head is connected with thorax by a short extension of the prothorax known as the neck. Each thoracic segment bears a pair of walking legs. The first pair of wings arises from mesothorax and the second pair from metathorax. Forewings mesothoracic called tegmina are opaque, dark and leathery and cover the hind wings when at rest. The hind wings are transparent, membranous and used in flight. • Abdomen: The abdomen in both males and females consists of 10 segments. In females, the 7th sternum is boat shaped and together with 8th and 9th sterna forms a brood or genital pouch.Anterior part of genital pouch contains female gonopore, spermathecal pores and collateral glands.In males, genital pouch or chamber lies at the hind end of abdomen bonded dorsally by 9th and 10thterga and ventrally by the 9th sterna.Abdomen contains dorsal anus, ventral male genital pore and gonoprophysis.Males bear a pair of short, thread like anal styles which are absent in females.In both sexes the 10th segment bears a pair of jointed filamentous structures called anal cerci.
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