legs types in insects.ppt

types of legs

1. TYPES OF INSECT’S LEGS
CURSORIAL
Wakling, running
Ground beetles, cockroach

2. FOSSORIAL
Front leg, digging soil
Mole cricket

3. RAPTATORIAL
Fore leg, adapted for catching prey
Praying mantis

4. SALTATORIAL
Hind leg, jumping
Enlarge femur
grasshoppers

5. NATATORIAL
For swimmng
With hairs
Water beetles

6. POLLEN COLLECTING
tibia adaptation (corbicula)
Pollen basket

7. KAKI BERPELEKAP (pg 26)
Tarsus of fore leg
With structure that can grasp
To hold on female beetle during mating

8. INSECTS LARVAE
(refer practical book page 37)
CAMPODEIFORM
elongated, flattened, active
Neuroptera

9. CARABIFORM (pg 29)
flattened, well-developed legs
with no filaments on the end of the abdomen.
Carabidae (beetle)

10. SCARABAEIFORM
sluggish, cylindrical, c-shaped
well-developed head and thoracic legs
Scarabaeidae (beetle)

11. ELATERIFORM
Wireworm
elongate, cylindrical, with a hard exoskeleton
and tiny legs
Elateridae (click beetle)

12. ERUCIFORM
Catterpillar-like
Cylindrical, obvious head, short antennae
Butterflies and moths

13. PLATYFORM
Very flattened larva
Leg hidden or none
Diptera (flies), Lepidoptera, Coleoptera (beetle)

14. VERMIFORM
Maggot (berengga)
legless, head undevelop
Diptera (flies)

15. INSECTS PUPAE (PG 38)
EXARATE (EKSARAT)
the appendages, legs etc., are free and capable of
movement
Most orders except butterflies (lepidoptera) &
flies (Diptera)

16. OBTECT (OBTEK)
the legs and other appendages are closely
appressed to the rest of the body
not capable of free movement
butterflies

17. COARCTATE (KOARKTAT)
Enclosed within the last larval skin
acts as a cocoon protects the pupa
flies (Diptera, of the sub-order Cyclorrhapha.).