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Guide to New Zealand's freshwater invertebrates
The New Zealand hydrobiosid caddis larvae have chelae (‘pincers”) on their forelegs. Tiphobiosis larvae have unusually short legs, small chelae and a small head. The prosternal plate (shield-like plate between the forelegs) is much wider than long and bean-shaped (if visible).
Tiphobiosis larvae are among the least common hydrobiosids in streams. They are more suited to shallow seepage habitats.
They are predators, feeding on other freshwater invertebrates.
Tiphobiosis larvae are most common in seepage habitats and may therefore not be useful indicators of stream water quality. However, they have been assigned tolerance values of 6 (hard bottom sites) and 9.3 (soft bottom sites).