Ergatettix Kirby, 1914

Gupta, Sunil Kumar, 2016, A new pygmy grasshopper species (Tetrigidae: Tetriginae) from Central India, Zootaxa 4097 (2), pp. 280-286 : 281-282

publication ID

https://doi.org/ 10.11646/zootaxa.4097.2.10

publication LSID

lsid:zoobank.org:pub:BD366E65-9134-4CA1-8607-5C43416B2C73

DOI

https://doi.org/10.5281/zenodo.5687483

persistent identifier

https://treatment.plazi.org/id/038A4839-FF8C-FFA3-9A90-FAAF89E5FEEE

treatment provided by

Plazi

scientific name

Ergatettix Kirby, 1914
status

 

Key to species of the genus Ergatettix Kirby, 1914 View in CoL from the Indian subcontinent

1. Vertex sufficiently elevated above the pronotum surface; shoulder less wider; third pulvilli a little longer than the second................................................................................................ E. dorsifera

- Vertex less elevated above the pronotum surface, shoulder more wider than the above mentioned; third pulvilli more or less equal to the second.................................................................................... 2

2. Median carina of pronotum behind the shoulders undulate, bearing obtuse crenules; hind process of pronotum with the lateral carinae toward the apex subentires; anterior and middle femora narrow................................. E. interruptus View in CoL

- Median carina of pronotum behind the shoulder a little undulate; bearing backward subnodulose....................... 3

3. Median carina of pronotum percurrent, little compressed-elevated before the shoulders, little sinuate near the anterior border, between the shoulders and backward gently undulate or substraight..................................... E. crassipes View in CoL

- Median carina of pronotum slightly interrupted or percurrent, elevated behind the shoulders; lateral carinae with black and yel- low dark band anterior margin to posterior margin............................................................ 4

4. Pronotum lateral view wave like................................................................ E. undunotus View in CoL

- Pronotum lateral view without wave like................................................................... 5

5. Pronotum having the prozonal carinae high and thicker, faintly diverging posteriorly and the medial carina distinct, slightly humped between sulci....................................................................... E. panchtharis View in CoL

- Pronotum having the prozonal carinae sharp, parallel in front, little converging behind, and the medial carina sharp, slightly undulating throughout, distinctly convex between shoulders.................................................... 6

6. The head strongly exerted and pronotum strongly reduced............................................. E. elevates

- The head slightly exerted and pronotum not reduced.......................................................... 7

7. Tegmina and wings greatly reduced............................................................... E. minutus View in CoL

- Tegmina and wings developed........................................................................... 8

8. Frontal costa bifurcation starts in about ¼ the compound eye height; posterior angle of lateral lobes of pronotum turned downwards, a little broadened, apex obtusely rounded, flattened............................................. E. callosus View in CoL

- Frontal costa bifurcation starts at the level of upper margin of compound eyes, posterior angle of lateral lobes of pronotum turned downwards, a little broadened, apex subtruncate, narrow.............................. E. subtruncatus View in CoL sp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Orthoptera

Family

Tetrigidae

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