Crickets of the subfamily Itarinae Shiraki, 1930 (Orthoptera: Gryllidae) from China with description of a new species and distribution and critical notes on other species
Author
He, Zhixin
Author
Ma, Libin
text
Zootaxa
2021
2021-03-15
4942
3
382
408
journal article
7673
10.11646/zootaxa.4942.3.4
bd70ee4d-0ae3-4785-9cae-a389c9b11121
1175-5326
4604363
65B996D9-BB6B-4323-A310-D18A41FAD0D9
Key to species of
Itara
from
China
(based on adult males)
1. Body colored dark, epiphallic dorsum bearing a row of denticles medially (
Figs. 9A
, D-F; 10A, B, E-G)................ 2
-- Body colored yellowish brown, epiphallic dorsum without denticles............................................. 3
2. Fore femur completely colored dark (
Figs. 10A
)....................................
I.
(
N.
)
nocturna
Gorochov, 1988
-- Fore femur partly colored dark (
Fig. 9A
)..........................................
I.
(
N.
)
sonabilis
Gorochov, 1996
3. Ectoparamere strongly protruding beyond epiphallic apex, with a large lateral lobe................................. 4
-- Ectoparamere not extending to epiphallic apex, lateral lobe of ectoparamere extremely small and not covering its inner part (
Figs. 11
C-E)............................................................
I.
(
G.
)
denudata
Ma & Zhang, 2015
4. Whole pronotal disc colored dark brown except blade-shape pattern (
Figs. 4A, B
)................................................................................................................
I.
(
I.
)
aperta
Gorochov, 1996
-- Part of pronotal disc colored dark brown except blade-shape pattern............................................. 5
5. Median ocellus much smaller than lateral ocelli (about 1/3 of lateral ocelli)..................
I.
(
I.
)
minor
Chopard, 1925
-- Median ocellus little smaller than lateral ocelli.............................................................. 6
6. Anal plate apical part is about 1/2 width of the basal (
Fig. 5D
).................................................. 7
-- Anal plate apical part is about 2/3 width of the basal (
Fig. 6D
).................................................. 9
7. Lateral lobes of pronotum nearly 1/2 portions colored dark...........................
I.
(
I.
)
communis
Gorochov, 1997
-- Lateral lobes of pronotum almost entirely colored dark....................................................... 8
8. Lateral edges of epiphallus constricted distally and bearing inward curved apex; lateral lobes of ectoparamere are small (
Fig. 8F
).....................................................................................
I.
(
I.
)
acri
sp. n.
-- Lateral edges of epiphallus invariable distally and bearing upward curved apex; lateral lobes of ectoparamere are large (
Fig. 4F
)......................................................................
I.
(
I.
)
vietnamensis
Gorochov, 1985
9. Epiphallic apex upward curved, possessing denticles at bottom (
Fig. 6F
)............
I.
(
I.
)
basidentata
Ma & Zhang, 2015
-- Epiphallic apex somewhat expanded, bearing two large denticles (
Fig. 7F
)..............
I.
(
I.
)
dicrana
Ma & Zhang, 2015