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Insect

Insect. ab - abdomen  an - antenna  cpe – compound eye cr – circus  epm – epimeron  eps – episternum  hd – head  la – labium  md – mandible  msn – mesonotum  mst – mesothorax. mtn – metanotum mtt – metathorax  oc – ocellus  ov – ovipositor  prn – pronotum  prt – prothorax 

breindel-dorsey
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Insect

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  1. Insect

  2. ab - abdomen  an - antenna  cpe – compound eye cr – circus  epm – epimeron  eps – episternum  hd – head  la – labium  md – mandible  msn – mesonotum  mst – mesothorax mtn – metanotum mtt – metathorax  oc – ocellus  ov – ovipositor  prn – pronotum  prt – prothorax  ps – pleural suture  sp – spiracles st – sternum  tg 1-10 – terga  th – thorax Insect Body Parts

  3. The head is the hardened (sclerotized) anterior region of the body that bears the eyes, antennae, and mouthparts Head

  4. Mouth parts • Maxillae and mandibles are called Stylets • Labium- houses the feed channel and salivary tubes • Stylets- Pierce the tissues and contain section tubes • Labrum- Acts like a scabbard • Proboscis (tongue) uncoils by an increase in blood pressure.

  5. Two General Types of Mouthpartschewing and piercing-sucking (opened) • an – antenna  • cl – clypteus  • cpe – compound eye  • fr – frons  • la – labium  • lap – labial palpus  • lb – labrum  • md – mandible  • mx – maxilla  • mxp – maxillary palpus  • oc – ocellus 

  6. A – setaceous B – filiform  C – moniliform  D – elbowed  E – clavate  F – capitate  G – lamellate H – ringed  I – aristate  J – serrate  K – pectinate  L – bipectinate  M – plumose Types of Antennae

  7. Setaceous Types of Antennae

  8. - Thread like -Uniform segs. - Grasshopper -Beetles Filiform

  9. -Bead-Like -Globular or Rounded -Usually Uniform - Common in Beetles & Termites Moniliform

  10. Wasps, Ants, Bees, Beetles Elbowed

  11. Capitate

  12. Capitate

  13. -Leaf like, laminated -Beatles -June -Carrion -Scarab Lamellate

  14. Ringed

  15. Flies Aristate

  16. - Saw like - Uniform segs. - Coleoptera only Serrate

  17. - Comb. like - Certain moths and beetles Pectinate

  18. Second set Bipectinate

  19. - Feather- like - Flies and Moths Plumose

  20. Salivary Juices • 1. Softens cell wall • 2. Anesthetizes • 3. May Pre-digest • 4. Anti Coagulants • 5. Spread diseases

  21. - 2nd major body part - 3 segments (sometimes 4) If a 4th segment is present it is called an alitrunk. Actually seems to be the 1st Abdominal, but it’s the narrow waist in bees, ants, and wasps a) Prothorax- Bears 1st pair legs b) Mesothorax- Bears 2nd pair legs and 1st pair wings c) Metathorax- Bears 3rd pair legs and 2nd pair of wings B and C = Ptera Thorax Thorax

  22. A – anal vein  aa – anal angle  am – anterior or costal margin  ap – apex  C – costa  cc – closed cell  Cu – cubitus  cu-a – cubito-anal crossvein  h – humeral crossvein  M – media  oc – open cell  pm – posterior margin  R – radius  r-m – radio-medial crossvein  Rs – radial sector  Sc – subcosta General Wing

  23. Wings • Ptera- Winged • 2 full sets of wings • Dipterous- 1 pair • Apterous- no wings • All immature insects are apterous • Wing veination for I.D.

  24. Wing Form • - Elytra- Tough hard wing • - Hemelytra- ½ heathery ½ membranes

  25. Tegminous • Forewing leathery • Orthortera • Membranous- clear delicate nerve like

  26. General Insect Leg • cx – coax • fm – femur  • pt – pretarsus (claws)  • tb – tibia  • tr – trochanter  • ts – tarsus

  27. Leg Shapes and specialization • 1. Cursorial- wacking • Legs are basically all the same size and shape • 2.Saltatorial • Saltar- To Jump • 3.Raptorial • Rrapten- Claw like • Predators • 4. Fessorial • Digging Legs

  28. Parts of the leg

  29. Leg Shapes and specialization • 5.Natatorial • Pre-Natal • Swimming • Flat or Paddle like • -Thorax Houses Powerful locomotors muscles for • -Leg • -Wings • Contains part of the digestive tract, circulatory system and respiratory system.

  30. Abdomen

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