Dudgeodes bharathidasani, Anbalagan & Balachandran & Kannan & Dinakaran & Krishnan, 2015

Anbalagan, Sankarappan, Balachandran, Chellapandian, Kannan, Mani, Dinakaran, Sundaram & Krishnan, Muthukalingan, 2015, First record and a new species description of Dudgeodes (Ephemeroptera: Teloganodidae) from South India, Turkish Journal of Zoology 39 (2), pp. 308-313 : 311-313

Key to the nymphs of Dudgeodes species

1. Abdominal gills present on segments II–VI and gill VI with dorsal lamella not incised posteromedially; head capsule with long forked setae on lateral margin----- Teloganodes

- Abdominal gills present on segments II–V and gill V with dorsal lamella incised posteromedially; head capsule with hair-like setae on lateral margin Dudgeodes ... .................................................................................................. 2

2. Dorsal part of male eyes yellow or yellowish brown ...................................................................................... 3

- Dorsal part of male eyes blackish or brownish black ........................................................................................ 4

3. 3rd segment of labial palp more than 3 times longer than wide at base; hypopharynx with superlinguae broad and rhomboid ............................................. D. stephani

- 3rd segment of labial palp less than 3 times longer than wide at base; hypopharynx with superlinguae oval ..... .................................................................................... D. ulmeri

4. Tarsal claw with pointed subapical teeth ............. 5

- Tarsal claw without pointed subapical teeth ....... 6

ANBALAGAN et al. / Turk J Zool

5. Antennae longer than head width, flagellum with 15–17 segments; the outer incisor with 3 teeth in left mandible ................................................................. D. hutanis

- Antennae shorter than head width, flagellum with 8 segments; the outer incisor with 1 slightly concave tooth in left mandible .......................................... D. bharathidasani

6. Prothorax with 2 rounded tubercles on dorsal surface; the inner margin of fore femora with a few stout setae in distal half; row of 4 setae below mola of right mandible .............................................................. D. pescadori

- Prothorax with 6 flat tubercles on dorsal surface; the inner margin of fore femora with numerous stout setae in distal half; row of 7–8 setae below mola of right mandible .............................................................. D. celebensis