Phryganogryllacris, : Karny, 1937

Bian, Xun, Liu, Jing & Yang, Zizhong, 2021, Anotated Checklist of Chinese Ensifera: The Gryllacrididae, Zootaxa 4969 (2), pp. 201-254 : 237-238

Key to the known species of Phryganogryllacris

1 Posterior margin of male ninth abdominal tergite obviously attenuate backwards and slightly upwards in form of angular process.................................................................................... P. superangulata

- Posterior margin of male ninth abdominal tergite hemispheric.................................................. 2

2 Posterior margin of male ninth abdominal tergite with 1 pair of S-shaped hooks on lateral margin...................... 3

- Posterior margin of male ninth abdominal tergite with 1 pair of short parallel spines in the middle area......... P. brevixipha

3 Posterior margin of male subgenital plate circular, arched, absence of concavity in the middle......................... 4

- Poterior margin of male subgenital plate with 1 longitudinal cancavity in the middle................................ 5

4 Pronotum with black patterns....................................................................... P. mellii

- Ponotum without black patterns.................................................................. P. subrectis

5 Frons with black spots, with 10 black spots.................................................... P. decempunctata

- Frons unicolour, without black spots...................................................................... 6 6 Pronotal disc yellow brown with black spots................................................................ 7

- Pronotal disc yellow brown without black spots............................................................ 11

7 Occiput nearly black.......................................................................... P. longicerca

- Occiput yellow brown, posterior margin of eyes with 1 black or black brown spot.................................. 8

8 Two black lateral stripes of pronotal disc disconnected in the middle......................................... P. xiai

- Two black lateral stripes of pronotal disc closely connected in the middle......................................... 9

9 Middle area of occiput with black spots...................................................... P. fanjingshanensis

- Middle area of occiput without black spots................................................................ 10

10 Disc of pronotum with interrupted longitudinal stripes............................................ P. probelematica

– Disc of pronotum with continuous longitudinal stripes................................................. P. sigillata

11 Lateral margins and posterior margin of pronotum black..................................................... 11

- Lateral margins of posterior margin of pronotum yellow brown................................................ 12

12 Posterior margin of female subgenital plate truncate.................................................. P. truncata

- Posterior margin of female subgenital plate medially concave............................................ P. parva

13 Internal and external margins of lateral lobes of male subgenital plate unequal in length.................. P. sichuanensis

- Internal and external margins of lateral lobes of male subgenital plate equal in length.............................. 13

14 Tegmina short, not surpassing the apices of hind femora............................................. P. brevipennis

- Tegmina obviously surpassing the apices of hind femora..................................................... 15

15 Male cerci short, about 3.5–5.0 mm.................................................................. P. sheni

- Male cerci longer than 5.0 mm.......................................................................... 16

16 Posterior margin of male subgenital plate with an U-shaped concavity, apices of the lateral lobes obtusely rounded................................................................................................... P. hubeiensis

- Posterior margin of male subgenital plate with a V shaped concavity, apices of lateral lobes obliquely truncate... P. unicolor