Trichorhina, Budde-Lund, 1908

publication ID	https://doi.org/10.11646/zootaxa.5725.3.2
publication LSID	lsid:zoobank.org:pub:E7910A01-4D36-4610-9691-F32869A0472C
persistent identifier	https://treatment.plazi.org/id/2E5BF94E-197E-3F62-FF67-9C82ADD56C30
treatment provided by	Plazi
scientific name	Trichorhina
status

Key to the Trichorhina View in CoL species from the Ibero-Balearic region.

1. Granular dorsal integument............................................................................. 2

1’. Smooth dorsal integument.............................................................................. 3

2. Trapezoidal telson................................................................ T. hispana ( Dollfus, 1893)

2’. Triangular telson............................................................ Trichorhina cascaisensis sp. nov.

3. Pleon retracted in relation to pereon, small neopleura........................................................ 4

3’. Pleon not retracted in relation to pereon, large neopleura...................................................... 5

4. Fifth antennal segment thickened............................................... T. anophthalma Arcangeli, 1935 View in CoL

4’. Fifth antennal segment not thickened............................................ T. buchnerorum ( Verhoeff, 1942) View in CoL

5. Ocular apparatus formed of multiple ommatidia........................................ T. silvestrii Arcangeli, 1936 View in CoL

5’. Without ocular apparatus............................................................................... 6

6. Scale-setae along longitudinal lines......................................................... T. ornata sp. nov.

6’. Scale-setae along irregular transverse lines................................................. T. solorzanoi sp. nov.