Damage based identification key for endophagous herbivores on Common Reed
(Phragmites australis)

Moth larvae:
distinct head capsule, three pairs of thoracal legs and four pairs of pseudopods


Fly larvae:
larvae legless, whitish, no head capsule, but mouth hook


Gall midge larvae:
larvae legless, white, rose, yellow to orange, body flattened

Wasp larvae:
larvae legless, whitish, small head capsule same color, not obvious