101Leafy researched the games.
Khezu

Loathsome wyverns that live inside caves. Near blind, they detect their prey by smell. They are capable of generating electric shocks, which they use to paralyze their prey.
Monster List No. 20
Carving
Number of carvings: 3 (BradyGames, Monster Hunter Official Strategy Guide, 2004, p. 85). The guide (p. 78) splits the carves by Quest Level: early quests are levels 1 to 3, latter quests 4 to 6.
Early quests
| Item | Chance |
|---|---|
| Electro Sac | 5% |
| Flabby Hide | 50% |
| Pale Extract | 20% |
| Pale Extract | 15% |
| Electro Sac | 8% |
| Electro Sac | 2% |
Latter quests
| Item | Chance |
|---|---|
| Flabby Hide | 20% |
| Flabby Hide | 30% |
| Pale Extract | 25% |
| Pale Bone | 10% |
| Electro Sac | 14% |
| Pale Lips | 1% |