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L-10 HEMIPTERA 12a.pptx

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L-10 HEMIPTERA 12a.pptx

  1. 1. HEMIELYTRA HW-MEMBRANEOUS
  2. 2. BASED ON PHYLOGENETIC RELATIONSHIP Widely distributed and most economically important Distributed only few parts of World Australia, Newzeland, America
  3. 3. ECONOMICALLY IMPORTANT FAMILIES OF SUB ORDER: HETEROPTERA
  4. 4. SO:- HETEROPTERA •Forewings hemelytra-basal half is thickened and the apical half is membranous • Rostrum arising from anterior part of the head • Wings held flat over the body • Stink glands often well developed
  5. 5. HEMIELYTRA Pronotum well developed, TRIANGULAR/V SHAPED SCUTELLUM
  6. 6. ECONOMIC IMPORTANCE:-This Fmily includes larges bugs. These are highly predacious, feeding on small fish, tadpoles, young frogs, and insects. They can fly from one water source to another and are often attracted to light. They inflict painful bites when handled. Ex. In some species of Belostoma, eggs are laid on back of the male: Belostoma indica, Lethocerus indicus
  7. 7. Head is narrow, elongate and constricted at the base Isyndus heros
  8. 8. Predacious nature
  9. 9. Fertilization:- male having strong spine like ovipositor with that it directly inserts aedigus in to the ventral surface of abdomen and deposits the eggs in a pouch like structure (Organ of Ribaga) so this type of reproduction i.e., male will directly deposits the eggs by wounding the exoskeleton of female body called Traumatic insemination
  10. 10. Pronotum flat with lateral expansion Cimex lectularius, Cimex rotundatus
  11. 11. Family-. Pentatomidae: -Shield/stink bugs (bad smell emitting bugs)
  12. 12. Scutelleridae is a family of true bugs. They are commonly known as jewel bugs or metallic shield bugs due to their often brilliant coloration. They are also known as shield-backed bugs due to the enlargement of the thoracic scutellum into a continuous shield over the abdomen and wings. Scutelleridae:- Shield bugs
  13. 13. Coreidae Leaf footed bugs
  14. 14. THANK YOU

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