Belongs within: Hydroptilidae.
The Orthotrichiini are a cosmopolitan group of caddisflies whose larvae possess flattened, tapering mandibles and a broad, flat labium.
<==Orthotrichiini BZ-M04
|–Ithytrichia Eaton 1873 BZ-M04
`–Orthotrichia Eaton 1873 BZ-M04
|–*O. angustella (McLachlan 1865) [=Hydroptila angustella] N83
|–O. aberrans Wells 1979 N83
|–O. aculeata Wells 1979 N83
|–O. adornata Wells 1979 N83
|–O. alveata Wells 1979 N83
|–O. armata Wells 1979 N83
|–O. atraseta Wells 1979 N83
|–O. bellicosa Wells 1979 N83
|–O. bishopi Wells 1979 N83
|–O. bullata Wells 1979 N83
|–O. capillata Wells 1979 N83
|–O. exigua Wells 1979 N83
|–O. gracilis Wells 1979 N83
|–O. inornata Wells 1979 N83
|–O. kholoensis Wells 1979 N83
|–O. morula Wells 1979 N83
|–O. orbostensis Wells 1979 N83
|–O. paranga Wells 1979 N83
|–O. rostrata Wells 1979 N83
|–O. scutata Wells 1979 N83
|–O. stipa Wells 1979 N83
|–O. suteri Wells 1979 N83
|–O. tortuosa Wells 1979 N83
|–O. turrita Wells 1979 N83
|–O. tyleri Wells 1979 N83
`–O. zonata (Neboiss 1977) [=Targatrichia zonata] N83
*Type species of generic name indicated
REFERENCES
[BZ-M04] Bonada, N., C. Zamora-Muñoz, M. Rieradevall & N. Prat. 2004. Trichoptera (Insecta) collected in Mediterranean river basins of the Iberian Peninsula: taxonomic remarks and notes on ecology. Graellsia 60 (1): 41–69.
[N83] Neboiss, A. 1983. Checklist and bibliography of the Australian caddis-flies (Trichoptera). Australian Society for Limnology Special Publication 5: 1–132.