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
Itara
(
Noctitara
)
sonabilis
Gorochov, 1996
Itara sonabilis
Gorochov, 1996: 82
Itara
(
Noctitara
)
sonabilis
Gorochov, 1997: 65
Holotype
.
Type locality:
Vietnam
:
Gia Lai Province
, Buon Luoi. Deposited at
Zoological Institute
,
Russian Academy of Sciences
,
St. Petersburg
,
Russia
(not examined).
Materials examined.
China
:
5 males
,
Guangdong
,
Fengkai
,
Heishiding Provincial Nature Reserve
,
26-iv- 2019
,
Libin Ma
&
Tao Zhang
coll
..
Description. Male.
Body and head large for the genus (
Fig. 9A
). Occiput pubescent, narrow, and convex. Vertex glabrous and smooth. Median ocellus ovoid and lateral ones widened. Antennal scape squared shield-like. Genae slightly curved. Labrum straight distally. Terminal maxillary and labial palpus bevelled apically; terminal maxillary palpus equal to length of 3rd palpus; terminal labial palpus nearly equal to total length of remaining palpi. Pronotal disc flattened and trapezoid, anterior margin slightly concave and posterior margin convex (
Fig. 9A
). Harp area bearing 4–5 veins. Harp field and mirror armed with false veins. Forewing broad and apically rounded (
Fig. 9A
). Apical Field elongate, conspicuously longer than forewing width (
Fig. 9A
), possessing 8 branches. Hind wings short and exposed portion as long as hind tarsus (
Fig. 9A
). External tympanum large and shaped as elongate-oval. Hind tarsus armed with short and small spines, numbered 7: 7 (inner: outer).
FIGURE 9.
I.
(
N.
)
sonabilis
. A. Male. B. Metanotal gland. C. Anal plate. D–F. Male genitalia. D. Dorsal view. E. Lateral view. F. Ventral view. Scale bar: 1 cm.
Metanotal gland armed with transverse and sinuate convexity anteriorly, large and shallow convexity medially and almost flattened posterior part (
Fig. 9B
). Anal plate almost triangular-like but with apex slightly blunt (
Fig. 9C
).
Male genitalia
(
Figs. 9
D–9F). Dorsal lobe of basal epiphallus bisinuate, lateral process slightly expanded; median process angle-like (
Figs. 9D
). Lateral margin of epiphallus not sharp (
Figs. 9E
). Epiphallus armed with a row of denticles medially (
Figs. 9E
). In lateral view, epiphallic apex boot-like, acute at both top and bottom, and distal margin arc shaped (
Figs. 9E
).
Coloration. Body color dark brown. Head and pronotal disc almost uniform dark brown (
Fig. 9A
). Large parts of pronotal lateral lobes colored light, only top portion color dark and merged with dorsum.
Measurements (n=5).
BL 18.34±1.67, HW 3.45±0.14, PL 2.95±0.36, PW 5.12±0.41, FWL 17.96±0.84, HWL 5.33±0.52, DVL 4.53±0.66, ML 3.91±0.22, HFL 10.61±0.43, HTL 8.45±0.44, HML 4.68±0.31.
Remarks.
This species is similar to
Itara
(
Noctitara
)
pacholatkoi
Gorochov,
1997
in ectoparamere, but its epiphallic apex is blunt.