Schizodactylus, Brulle, 1835

Dawwrueng, Pattarawich, Panitvong, Nonn, Mooltham, Kanin, Meebenjamart, Pongpipat & Jaitrong, Weeyawat, 2018, First record of the family Schizodactylidae (Orthoptera: Ensifera) from Thailand, with the description of a new species, Zootaxa 4472 (1): -

publication ID

https://doi.org/10.11646/zootaxa.4472.1.2

publication LSID

lsid:zoobank.org:pub:1385981A-0100-444C-8B74-4E0FAE3E6AE1

persistent identifier

http://treatment.plazi.org/id/2451C70D-8F41-FFB7-FF6F-B4ECFA04FAC7

treatment provided by

Plazi

scientific name

Schizodactylus
status

 

Key to known extant species of Schizodactylus  

1. Wings fully developed.................................................................................. 2

- Wings very short, reaching only half of abdomen or less.............................. S. inexspectatus (Werner, 1901)  

2. Pronotum normal, in middle longer than 3 mm .............................................................. 3

- Pronotum very short, in middle long 2.2 mm .......................................... S. brevinotus Ingrisch, 2002  

3. Apex of male subgenital plate with projection............................................................... 4

- Apex of male subgenital plate without projection, triangular excision in middle.................................... 6

4. Subgenital plate broader than long, the projection forming a paired of lobes....................................... 5

- Subgenital plater longer than broad, The projection formed as a rounded lobe with flat top....... S. burmanus Uvarov, 1935  

5. Projection rounded and protruding forward in lateral view; first and second internal apical spurs similar in shape......................................................................................... S. tuberculatus Ander, 1938  

- Projection flat, broader than long and protruding downward in lateral view; first and second internal apical spurs different.................................................................................... S. salweenensis   sp. nov.

6. Compound eyes normal, size medium; body length more than 27 mm in male...................................... 7

- Compound eyes relatively large (comprising 3/4 of side length of head), size small; body length 23–25 mm in male............................................................................................ S. minor Ander, 1938  

7. Size large in body length more than 42mm in male, 47mm in female, the first internal apical spur of posttibia acute apically; male titillators slender; female subgenital plate with hind margin rounded in the middle.......... S. monstrosus Drury, 1770  

- Size medium in body length 27mm in male; 29mm in female; first internal apical spur of posttibia less acute apically; Male titillators robust; female subgenital plate with hind margin straight in the middle.............. S. hesperus Bey-Bienko, 1967