Madasumma yunnana
Creators: name: Libin, Ma
name: Yalin, Zhang
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Orthoptera
Haglotettigoniidae
Madasumma
Madasumma yunnana

description: Key to species of the Yunnana group of genus Zvenella
1. Epiphallus armed with one pair of processes................................................................ 2
- Epiphallus armed with two paired large upper processes....................................... Albomaculata Group
2. Epiphallus armed with non-denticulate or slightly denticulate lower apical lobes and hind lateral lobes curved.................................................................................................. Parcevenosa group
- Epiphallus armed with denticulate lower apical lobes and short hind lateral lobes..................... Yunnana Group: 3
3. Lower apical lobes of epiphallus extend outwards in profile......................... Zvenella pulchella Gorochov, 1988
- Not show this........................................................................................ 4
4. Processes of epiphallus short and wide (caudal view)......................................................... 5
- Processes of epiphallus long and thin...................................................................... 7
5. Metanotal gland armed with two oval-shaped and wrinkled grooves distally at sides................................. 6
- Not show this.............................................................. Zvenella chopardi Gorochov, 2002
6. Hind lateral lobes very long and overlap each other medially at the bottom of epiphallus....... Zvenella decussatus sp. nov.
- Hind lateral lobes somewhat shorter and far away from each other at the bottom of epiphallus................................................................................................. Zvenella geniculata (Chopard, 1931)
7. Hind lateral lobes of epiphallus short and very narrow........................................................ 8
- Hind lateral lobes of epiphallus short but widen............................................................. 10
8. The inner margins of the epiphallus’ lower apical lobes straight or convex......................................... 9
- The inner margins of the epiphallus’ lower apical lobes concave and inner branch as long as the outer one................................................................................................ Zvenella aequalis sp. nov.
9. Epiphallus’ lower apical lobes rounded (caudal view).............................. Zvenella modesta Gorochov, 2002
- Epiphallus’ lower apical lobes short but not rounded.............................. Zvenella yunnana (Gorochov, 1985)
10. The dorsal process of epiphallus directed cephalad and in an acute angle with the dorsum of the epiphallus.............. 11
- The dorsal process of epiphallus almost erected............................................................. 12
11. Epiphallus’ lower median notch narrowed............................................ Zvenella scalpratus sp. nov.
- Epiphallus’ lower median notch very wide........................................ Zvenella cognata Gorochov, 1992
12. Hind lateral lobes wide and notch between the lobes of upper apical and hind lateral narrowed.......................................................................................... Zvenella acutangulata Xia, Liu & Yin, 1991
- Hind lateral lobes slightly narrow and notch between the lobes of upper apical and hind lateral somewhat broad..................................................................................... Zvenella transversa Ingrisch, 1997
description: Published as part of Libin, Ma & Yalin, Zhang, 2012, The crickets of genus Zvenella Gorochov, 1988 (Gryllidae: Podoscirtinae) from China, pp. 57-67 in Zootaxa 3597 on page 59, DOI: 10.5281/zenodo.214448