Hydromanicus, Brauer, 1865

Pandher, Manpreet Singh, Kaur, Simarjit & Garima, Deepti, 2021, New species and new records of Hydropsychinae (Insecta: Trichoptera: Hydropsychidae) from India, Zootaxa 4915 (3), pp. 364-376 : 369-371

Key to the males of indian species of genus Hydromanicus

1. Preanal appendages each with two lobes: one filiform lobe and one very slender foliose lobe (Malicky 2000: 34; Oláh & Johnson 2008: 47, 49, figs 67, 68, 71, 72)..................................................................... 2

- Preanal appendages each with only single broad filiform lobe ( Figs 6, 7 ; Pandher et al. 2020: 345, 347, figs 1, 2, 6, 7)..... 6

2. Apical segment of each inferior appendage pointed apically in ventral view and spatula-like; phallus with two curved processes at apex in lateral view (Oláh & Johnson 2008: 47, figs 69, 70)................................................. 3

- Apical segment of each inferior appendage short, broad and rounded in ventral view and phallus without curved processes at apex in lateral view (Malicky 2000: 34)............................................. Hydm. erato Malicky 2000

3. Foliose branch of each preanal appendage only 1/4 as long as filiform branch (Oláh & Johnson 2008: 47, figs 67, 68)............................................................................ Hydm. palnis Oláh & Johanson 2008

- Foliose branch of preanal appendage more than 1/4 as long as filiform branch (Oláh & Johnson 2008: 45, 49, figs 63, 64, 71, 72)................................................................................................ 4

4. Foliose branch of each preanal appendage 1/3 as long as filiform branch; filiform branch with subapicolateral hump in dorsal view (Oláh & Johnson 2008: 45, figs 63, 64)................................ Hydm. naraik Oláh & Johanson 2008

- Foliose branch of each preanal appendage more than 1/3 as long as filiform branch; filiform branch without subapicolateral hump in dorsal view (Oláh & Johnson 2008: 49, figs 71, 72)................................................... 5

5. Segment X broad and weakly curved ventrad; apical segment of each inferior appendage broad, apex slightly excised in ventral view (Oláh & Johnson 2008: 49, figs 71, 73)................................. Hydm. topali Oláh & Johanson 2008

- Segment X narrow and strongly curved ventrad; apical segment of each inferior appendage pointed apically in ventral view ( Martynov 1935: 180, fig. 82b).............................................. Hydm. spatulatus ( Martynov 1935)

6. Preanal appendages very small lobes ( Figs 1, 2 )............................................................. 7

- Preanal appendages very long and foliaceous ( Fig. 6 ; Pandher et al. 2020: 345, 347, figs 1, 6)........................ 8

7. Apicolateral setose lobes broad and large in dorsal view (Oláh & Johnson 2008: 20, figs 9, 10........................................................................................... Hydm. krsamgin Oláh & Johanson 2008

- Apicolateral setose lobes digitate and pointed in dorsal view ( Fig. 2 )......................... Hydm. religiosus sp. nov.

8. Preanal appendages more than half as long as tergum X in dorsal view ( Pandher et al. 2020: 345, 347, figs 2, 7).......... 9

- Preanal appendages less than half as long as tergum X in dorsal view ( Fig. 7 )................ Hydm. sikkimensis sp. nov.

9. Tergum X with lateral rounded protuberances near base in dorsal view; inferior appendages pointed apically in ventral view ( Pandher et al. 2020: 347, figs 7,8)............................................ Hydm. betteni Pandher et al. 2020

- Tergum X with lateral rounded protuberances near apex in dorsal view; inferior appendages apically quadrate or blunt in ventral view ( Pandher et al. 2020: 345, 348, figs 2, 12)............................................................ 10

10. Apicolateral setose lobes capitate ( Pandher et al 2020: 348, fig. 12)................ Hydm. clavatus Pandher et al. 2020.

- Apicolateral setose lobes digitiform and quadrate apically ( Pandher et al. 2020: 345, fig. 2)......................... 11

11. Tergum X with apex curved dorsad in lateral view; lateral rounded protuberances less prominent in dorsal view ( Pandher et al. 2020: 345, figs 1, 2)...................................................... Hydm. digitatus Pandher et al. 2020

- Tergum X with apex curved ventrad in lateral view; lateral rounded protuberances more prominent in dorsal view ( Malicky 2010: 197)......................................................................................... 12

12. Segment IX quadrate; preanal appendages foliose; apical segment of each inferior appendage apically quadrate in ventral view........................................................................ Hydm. luctuosus Ulmer 1905

- Segment IX not quadrate; preanal appendages broad to 2/3 length and apical 1/3 narrow; apical segment of each inferior appendage not quadrate........................................ Hydm. inferior Chantaramongkol & Malicky 1995

Figures

FIGURES 6–10. Hydromanicus sikkimensis sp. nov., male genitalia. 6, left lateral; 7, dorsal; 8, right inferior appendage (paired), ventral; 9, phallus, left lateral; 10, phallus, ventral. ADSLX = anterodorsal setose lobe of tergum X (paired); AL = apicolateral lobe of segment IX (paired); AM = anterior margin of venter IX; ASLX = apical setose lobe of tergum X (paired); ILG = interlobular gap; INF = inferior appendage (paired); IX = segment IX; MK = posterodorsal median keel of segment IX; PA= preanal appendage (paired).

FIGURES 1–5. Hydromanicus religious sp. nov., male genitalia. 1, left lateral; 2, dorsal; 3, right inferior appendage, ventral; 4, phallus, left lateral; 5, phallus, ventral. ADSLX = anterodorsal setose lobe of tergum X (paired); AL = apicolateral lobe of segment IX (paired); AM = anterior margin of venter IX; ASLX = apical setose lobe of tergum X (paired); ILG = interlobular gap; INF = inferior appendage (paired); MK = posterodorsal median keel of segment IX; PA= preanal appendage (paired).