Teloganodes Eaton 1882

Kluge, Nikita, Srinivasan, Pandiarajan, Sivaruban, T., Barathy, S. & Isack, Rajasekaran, 2023, Indian species of Teloganodes Eaton 1882 (including subgenera Dudgeodes Sartori 2008 and Derlethina Sartori 2008) (Ephemeroptera, Teloganodidae), Zootaxa 5244 (6), pp. 553-587 : 554

Genus Teloganodes Eaton 1882

( Figs 1–161 )

Genus Teloganodes Eaton 1882: 208 (imago); Eaton 1883 –1888 (imago); Ulmer 1939: 512 (imago), 627 (larva). Teloganodes/fg1: Kluge 2004: 320 (larva, subimago, imago).

Macafertiella Wang in Wang & McCafferty 1996: 15 (synonymized by Sartori, Peters & Hubbard 2008).

Dudgeodes Sartori in Sartori, Peters & Hubbard 2008: 25 (synonymized by Kluge 2023).

Derlethina Sartori in Sartori, Peters & Hubbard 2008: 44 (synonymized by Kluge 2023).

Type species: Cloe tristis Hagen 1858 .

General characteristics of larvae, subimagines, imagines and eggs are given by Kluge (2023). Divided into subgenera Teloganodes , Dudgeodes and Derlethina .

Figures

FIGURES 1–19. Tergalii of Teloganodes with ventral lobe turned out. 1–6, tergalii II–VI of T. (Teloganodes) velutinus sp. n. (5 and 6, tergalii VI of the same individual); 7–12, tergalii II–VI of T. (T.) dentatus (11 and 12, tergalii VII of different individuals); 13–16, tergalii II–V of T. (Dudgeodes) palnius; 17–19, tergalii II–IV of T. (Derlethina) tamiraparaniae.

FIGURES 20–24. Teloganodes (Teloganodes) kodai. 20, metanotum and abdominal terga I–VIII; 21, abdomen of male subimago extracted from larva; 22, sternum IX and protopenis of male larva; 23, hind wing tissues extracted from larval protopteron; 24, subimaginal cuticle of half of mesonotum (20, 23, topotype).

FIGURES 25–31. Teloganodes (Teloganodes) kodai, eggs. 25–26, in translucent view; 27–31, under scanning electron microscope.

FIGURES 32–39. Teloganodes (Teloganodes) velutinus sp. n., larval exuviae. 32, head; 33–34, pronotum and mesonotum of different individuals; 35–37, fore, middle and hind legs, 38, abdominal terga and sterna; 39, tergalius II (33, 38, holotype).

FIGURES 40–46. Teloganodes (Teloganodes) velutinus sp. n. 40–41, left and right mandibles; 42, maxilla and labium; 43, apex of maxilla; 44, hypopharynx and superlinguae; 45, labrum with focus on row of simple setae; 46, the same, enlarged, to show simple and feathered setae.

FIGURES 47–55. Teloganodes (Teloganodes) velutinus sp. n., larval cuticle. 47, fore leg (holotype); 48–49, claws; 50–54, fragments of abdominal terga III–IX; 55, abdominal terga of another individual.

FIGURES 56–57. Teloganodes (Teloganodes) velutinus sp. n., exuviae of subimaginal mesonotum (holotype). Abbreviations: acz,achromozone;cz.a, anteriorchromozone;cz.l-p, latero-posteriorchromozone;cz.s,chromozonalsuture;LPs,lateroparapsidal suture; MPs, medioparapsidal suture; MS, medioscutum; SMS, submedioscutum.

FIGURES 58–64. Teloganodes (Teloganodes) velutinus sp. n. 58–59, fore and hind legs of female imago; 60, subimaginal exuviae of fore leg of female; 61–62, subimaginal exuviae of hind leg; 63, female imago; 64, abdomen of male subimago extracted from larva (58–62, holotype).

FIGURES 65–68. Teloganodes (Teloganodes) velutinus sp. n. (holotype). 65–66, wings of female imago in falling and transmitted light; 67–68, hind wing, enlarged, in falling and transmitted light.

FIGURES 69–72. Teloganodes (Teloganodes) velutinus sp. n., eggs (holotype).

FIGURES 73–76. Teloganodes (Teloganodes) dentatus, larval exuviae. 73, abdominal sternum IX and protopenis of male larva; 74–76, fore, middle and hind legs.

FIGURES 77–81. Teloganodes (Teloganodes) dentatus, larval exuviae. 77, abdominal terga; 78–81, fragments of abdominal terga IV–VII.

FIGURES 82–88. Teloganodes (Teloganodes) dentatus. 82, male imago; 83, female imago; 84, abdominal terga and sterna of male imago; 85–86, fore and hind legs of male imago; 87–88, subimaginal exuviae of fore and middle legs of male.

FIGURES 89–92. Teloganodes (Teloganodes) dentatus. 89–90, wings of male imago, in falling and transmitted light; 91, wings of female imago; 92, hind wing enlarged.

FIGURES 93–97. Teloganodes (Teloganodes) dentatus. 93, genitalia of male imago, ventral view; 94–95, penis, dorsal view; 96–97, exuviae of subimaginal mesonotum. Abbreviations: acz, achromozone; cz.a, anterior chromozone; cz.l-p, lateroposterior chromozone; cz.s, chromozonal suture; gp, gonopore; LPs, lateroparapsidal suture; MPs, medioparapsidal suture; MS, medioscutum; SMS, submedioscutum.

FIGURES 98–105. Teloganodes (Teloganodes) dentatus, eggs. 98–100, in transmitted light with caps enlarged due to fixation; 101–105, under scanning electron microscope.

FIGURES 106–109. Teloganodes (Didgeodes) palnius. 106, young larva in dry condition, to show relief; 107–108, larval exuviae of fore, middle and hind legs.

FIGURES 110–111. Teloganodes (Didgeodes) palnius, male larval exuviae of abdominal terga I–X and sternum IX.

FIGURES 112–122. Teloganodes (Didgeodes) palnius. 112–113, thorax and head of male imago; 114, abdominal terga and sterna of male imago; 115, subimaginal exuviae of mesonotum; 116–117, hind wing of male imago, in falling and transmitted light; 118–119, fore, middle and hind legs of male imago; 121–122, subimaginal exuviae of hind and fore legs.

FIGURES 123–129. Teloganodes (Didgeodes) palnius, male genitalia. 123, genitalia of imago, ventral view; 124, genitalia of subimago; 125, subimaginal exuviae of gonostylus; 126–127, penis of imago, dorsal view; 128, larval abdominal sternum IX and protopenis with developing subimaginal penis inside, dorsal view; 129, outline of subimaginal penis developing in larval protopenis.Abbreviations: gp, gonopore; pgs, protogonostylus; p, subimaginal penis developing in larval protopenis, pp, larval protopenis.

FIGURES 130–136. Teloganodes (Didgeodes) palnius, eggs. 130, egg under light microscope; 131, polar cap in external view and polar cap in internal view; 132–136, eggs under scanning electron microscope.

FIGURES 137–140. Teloganodes (Derlethina) tamiraparaniae, larval exuviae. 137, end of abdomen, ventral view; 138–140, fore, middle and hind legs.

FIGURES 141–144. Teloganodes (Derlethina) tamiraparaniae, larval exuviae. 141, abdominal sterna and terga; 142, posterior margin of tergum VI; 143–144, pronotum and mesonotum.

FIGURES 145–150. Teloganodes (Derlethina) tamiraparaniae. 145, head and thorax of male imago; 146, abdominal terga and sterna of male imago; 147–148, fore and middle legs of male imago; 149–150, subimaginal exuviae of fore and middle legs of male.

FIGURES 151–156. Teloganodes (Derlethina) tamiraparaniae. 151–152, fore wing of male imago, in falling and transmitted light; 153–154, larval fore protopteron with well-visible veins in pterostigma; 155–156, hind protoptera of two individuals.

FIGURES 157–161. Teloganodes (Derlethina) tamiraparaniae. 157–158, exuviae of subimaginal mesonotum (in dry condition and in Canadian balsam); 159, exuviae of male subimaginal genitalia; 160, genitalia of male imago, ventral view; 161, penis in dorsal view.Abbreviations:acz, achromozone; cz.a, anterior chromozone; cz.l-p, latero-posterior chromozone; cz.s, chromozonal suture; gp, gonopore; LPs, lateroparapsidal suture; MPs, medioparapsidal suture; MS, medioscutum; SMS, submedioscutum.