1. (grasshoppers, crickets, katydids)
ORTHOPTERA
(grasshoppers, crickets, katydids)

2. Hexapod Orders Orthoptera Ortho - straight, ptera - wing
Number of Species
22,000
Common names
Grasshoppers, locusts, crickets, katydids
Typical habitats
- vegetation, worldwide
Distinguishing characteristics
ovipositor
saltatorial hind legs
Other features
-first group to use sound in communication

3. Characteristics of Orthoptera
1. Chewing Mouthparts
2. Saltatorial Hind Legs

4. Two Suborders of Orthoptera
1. Caelifera - Grasshoppers
diurnal, jumping
short antennae
terrestrial (not arboreal)
2. Ensifera - katydids, crickets
nocturnal, walking
long antennae
arboreal

5. Economic Importance

6. Sound Production
Caelifera

7. Sound Production
Ensifera

8. Sound Production
Ensifera
file
scraper
sound radiation

9. Sound Reception
Ensifera
Caelifera

10. Orthoptera - Camouflage
Caelifera

11. Orthoptera - Camouflage
Ensifera

12. Some representative Orthoptera
Ensifera
Stenopalmatidae
- Jerusalem cricket & wetas
Tettigoniidae - katydids

13. Some representative Orthoptera
Ensifera
Hagloidea
- grigs, Cyphoderris
Gryllidae - crickets, mole crickets