Cockroach: more intelligent insects. They belong to Phylum: Arthropoda.

1. Morphology
of
Cockroach

2. Agenda
• Introduction
• General Characteristics
• Summary

3. Scientific Classification
• Kingdom: Animalia
• Phylum: Arthropoda
• Class: Insecta
Note
All animals are members of the Animalia

4. Color / Colour
brown / black-bodied animals

5. body
 elongated
 dorsoventrally flattened
 divided into 3 segments, i.e.
 head
 thorax
 abdomen

6. Antenna
 a pair
 act as sense organs of touch & smell

7. legs
three pairs

8. wings
two pairs

9. Mouthparts
consist of the
 labrum (upper lips)
 mandibles (jaws)
 maxillae (additional jaws)
 labium (lower lips)
 hypopharynx (tongue)

10. behaviour
 nocturnal
 omnivorous
 scavenger

11. anus
 Present
 located at the end of the segment

12. exoskeleton
Body: covered by a hard
chitinous covering

13. head
triangular

14. Compound
eyes  a pair of compound eyes
 eye is composed of ommatidia
 Each ommatidium has a biconvex lens
 Vision: high sensitivity but low resolution
 responsible for mosaic or nocturnal vision
Ommatidia: hexagonal units
biconvex lens formed by the cuticle
Note

15. Thorax
made up of three segments,
 prothorax,
 mesothorax
 metathorax.

16. Male
 Larger in size
 Narrow abdomen
 Brood pouch: absent
 Testes & accessory organs: present
 Wings extend beyond the abdomen
 Anal styles: present

17. Female
 Smaller in size
 Broad abdomen
 Brood pouch: present
 Ovaries & accessory organs: present
 Wings extend up to the abdomen
 Anal styles: absent

18. Cockroach: more intelligent insects

19. Thank You
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