Stenopsyche McLachlan

Pandher, Manpreet S., Saini, Malkiat S. & Parey, Sajad H., 2013, Review of the genus Stenopsyche McLachlan (Trichoptera: Stenopsychidae) in India, Zootaxa 3717 (1), pp. 65-75 : 71

Key to the males of Indian species of genus Stenopsyche McLachlan

1. Body of tergum X rounded or triangular (fig.1b, pg. 75, Swegman and Coffman, 1980; fig.37b, pg. 133, Martynov, 1935; fig. 12, pl. iv, Schmid, 1969; fig.9, 10, pl. iv, Schmid, 1969)....................................................... 2

- Body of tergum X projecting into small lobes or processes distally (fig. 27, pl. v, Schmid, 1969; fig. 38b, pg. 135, Martynov, 1935; fig. 102, pg. 225, Navas, 1934)...................................................................... 6

2. Intermediate projection of tergum X very long (fig.1b, pg. 75, Swegman and Coffman, 1980; fig.37b, pg. 133, Martynov, 1935)............................................................................................... 3

- Intermediate projection of tergum X not well developed (fig. 12, pl. iv, Schmid, 1969; fig.9,10, pl. iv, Schmid, 1969)...... 4

3. Body of tergum X lobe like; intermediate projection of tergum X two lobed (fig.1b, pg. 75, Swegman and Coffman, 1980)...................................................................... S. kodaikanalensis Swegman and Coffman

- Body of tergum X not lobe-like; intermediate projection of tergum X single lobed (fig.37b, pg. 133, Martynov, 1935)......................................................................................... S. splendida Martynov

4. Body of tergum X smaller than superior arm of inferior appendage (fig.9,10, pl. iv, Schmid, 1969; fig. 22, pg. 297, Martynov, 1926).............................................................................................. 5

- Body of tergum X longer than superior arm of inferior appendage (fig. 12, pl. iv, Schmid, 1969)...... S. haimvatika Schmid

5. Body of tergum X smoothly rounded apically; superior arm bluntly curved outward apically (fig.9,10, pl. iv, Schmid, 1969).................................................................................... S. dirghajihvi Schmid

- Body of tergum X roundly truncate; superior arm gradually curving outward in dorsal view (fig. 22, pg. 297, Martynov, 1926)................................................................................ S. pallidipennis Martynov

6. Superior arm of inferior appendage forked apically (fig. 27, pl. v, Schmid, 1969; fig. 38b, pg. 135, Martynov, 1935)....... 7

- Superior arm inferior appendage not forked apically (fig.102, pg. 225, Navas, 1934; fig. 25, pl. iv, Schmid, 1969; fig. 24, pl. iv, Schmid, 1969; fig. 25, pl. v, Schmid, 1969; fig. 17, pl. iv, Schmid, 1969; fig. 25, pg. 299, Martynov, 1926; fig. 2, pl. iii, Schmid, 1969)........................................................................................ 8

7. Superior arm of inferior appendage curved outward and two arms of fork are equal (fig. 27, pl. v, Schmid, 1969)......................................................................................... S. dvyankopayukta Schmid

- Superior arm of inferior appendage not curved outward and two arms of fork are unequal (fig. 38b, pg. 135, Martynov, 1935).................................................................................... S. furcatula Martynov

8. Body of tergum X almost equal to or longer than superior arm of inferior appendage (fig.102, pg. 225, Navas, 1934; fig. 25, pl. iv, Schmid, 1969; fig. 24, pl. iv, Schmid, 1969).............................................................. 9

- Body of tergum X smaller than superior arm of inferior appendage (fig. 25, pl. v, Schmid, 1969; fig. 17, pl. iv, Schmid, 1969; fig. 25, pg. 299, Martynov, 1926; fig. 2, pl. iii, Schmid, 1969)................................................. 11

9. Superior arm of inferior appendage curved outward (fig. 25, pl. iv, Schmid, 1969; fig. 24, pl. iv, Schmid, 1969)......... 10

- Superior arm of inferior appendage straight (fig.102, pg. 225, Navas, 1934)......................... S. benaventi Navas

10. Intermediate projection of tergum X thin and long (fig. 25, pl. iv, Schmid, 1969)....................... S. similis Ulmer

- Intermediate projection of tergum X broad and short (fig. 24, pl. iv, Schmid, 1969)................. S. alamkrita Schmid

11. Superior branch of inferior appendage curved outward (fig. 25, pl. v, Schmid, 1969; fig. 17, pl. iv, Schmid, 1969)........ 12

- Superior branch of inferior appendage not curved outward (fig. 25, pg. 299, Martynov, 1926; fig. 2, pl. iii, Schmid, 1969).. 13

12. Superior branch of inferior appendage narrowing preapically; intermediate projection of tergum X pointed and about as long as superior branch of inferior appendage (fig. 25, pl. v, Schmid, 1969)............................... S. khasia Kimmins

- Superior branch of inferior appendage uniformly wide; intermediate projection of tergum rounded and smaller than superior branch of inferior appendage (fig. 17, pl. iv, Schmid, 1969)............................... S. griseipennis McLachlan

13. Body of tergum X very narrow and thin (fig. 25, pg. 299, Martynov, 1926)..................... S. himalayana Martynov

- Body of tergum X very broad (fig. 2, pl. iii, Schmid, 1969)..................................... S. apiguna Schmid