Sericostoma Latreille 1825
Creators: name: Sipahiler, Füsun
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Trichoptera
Sericostomatidae
Sericostoma

description: Key to the adult males of Sericostoma in Turkey
1. In lateral view, mesoventral branch of each lateral prolongation of segment X directed ventrad......................….2
- Mesoventral branch directed posterad or posteroventrad....................................................... 3
2. Mesoventral branch of each lateral prolongation of segment X short, stout, truncate at apex (Figs 7, 8............... S. ida
- Mesoventral branch long, triangular, pointed at apex (Figs 12, 13)..................................... S. grusiense
3. Mesoventral branch of each lateral prolongation shorter than half as long as dorsal branch….......... .. S. mesopotamicum
- Mesoventral branch at least half as long as dorsal branch.......................................................4
4. Mesoventral branch of each lateral prolongation of segment X half as long as dorsal branch.......................... 5
- Mesoventral branch of each lateral prolongation more than half as long as dorsal branch............................. 7
5. Mesoventral branch of each lateral prolongation of segment X nearly parallel-side and close to dorsal branch in lateral view. ................................................................................................... 6
- Mesoventral branch triangular and widely separated from dorsal branch in lateral view..................... S. flavicorne
6. Preanal appendages digitate, smaller than obliquely truncate basoventral branches of lateral prolongations of segment X in lateral view; in dorsal view, dorsal branches of lateral prolongations each bearing small, pointed subapical projection on inner edge..................................................................................... S. taskent sp. n.
- Preanal appendages clavate, larger than acute basoventral branches of lateral prolongations; in dorsal view, dorsal branches of lateral prolongations without small, pointed subapical projections................................ S. yuvarlakcay sp. n.
7. Dorsal branches of lateral prolongations of segment X slender in dorsal and lateral views; mesoventral branches 2/3 as long as dorsal branches (Fig. 36); apical dilatations of ventral branches of inferior appendages small (Fig. 38).... S. pinargozu sp. n.
- Dorsal branches of lateral prolongations thick in dorsal and lateral views; mesoventral branches of lateral prolongations more than 2/3 as long as dorsal branches; apical dilations of ventral branches of inferior appendages enlarged................. 8
8. Mesoventral branch of each lateral prolongation of segment X 4/5 as long as dorsal branch (Fig. 26); ventral branches of inferior appendages sinuate, apicomesally quadrangular in ventral view (Fig. 28)...................... S. dimcay sp. n.
- Mesoventral branch of each lateral prolongation 3/4 as long as dorsal branch; ventral branches of inferior appendages straight, apicomesally triangular in ventral view (Fig. 24)................................................... S. alakir sp. n.
description: Published as part of Sipahiler, Füsun, 2021, Males of the genus Sericostoma Latreille 1825 in Turkey (Trichoptera Sericostomatidae), pp. 483-500 in Zootaxa 4965 (3) on pages 498-499, DOI: 10.11646/zootaxa.4965.3.4, http://zenodo.org/record/4754100