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
Parapentacentrus formosanus
Shiraki, 1930
Parapentacentrus formosanus
Shiraki, 1930: 224
;
Gorochov, 1985: 19
;
Ma, 2011: 97
; Ichikawa,
et al
., 2000: 273
Pseuditara lineaticeps
Chopard, 1969: 317
, synonymized by Ichikawa,
et al
., 2000: 273
Holotype
information.
Type locality:
China
:
Taiwan
,
Arisan
(April?),
Musha
(May?, June?).
Deposited in National Taiwan University.
Material not examined.
Remarks.
Shiraki primarily described and illustrated coloration and many characters that are possessed by most species of the genus, and, especially, he did not study and aspects of male genitalia (
Shiraki, 1930
). Thus, subsequent researchers could only identify the species by coloration and the minor considerations of ovipositor length (
Gorochov, 1997
). In 2000, the male genitalia of this species were illustrated, meanwhile,
P. lineaticeps
was placed as junior synonym of
P. formosanus
(
Ichikawa
et al.
, 2000
)
. Although no one disputes this conclusion (
Cigliano
et al.
, 2020
;
Gorochov, 2008
), we still have some questions based on this species as follows: (1) Illustrations of the genitalia, were not accompanied by which specimen was used and where it collected from. Thus, we question whether the specimen used for genitalia drawing of
P. formosanus
is the
type
or the material collected from the
type
locality; (2) Regarding synonymous relationship between
P. formosanus
and
P. lineaticeps
, no explanation for this change was proveded. We discovered that the the examined
type
specimen of
P. lineaticeps
is female (Female,
Myanmar
, Nam Tisang, alt.
3000 ft.
, NHM, Kingdon Ward) (
Ichikawa
et al.
, 2000
), thus we surmise this combination was based solely on external features and in all probability the primary character was coloration. Indeed, after examining specimens collected from Fujian (adjacent to Taiwan), Guangxi and
Hongkong
(adjacent to
Vietnam
and Guangzhou), and Xizang (adjacent to
Myanmar
), we found all the males possessed similar genitalia and had two colour morphs, light brown or dark brown. Based on our experience in the field, we conclude most individuals are one species and with two coloration morphs since we collected them in same time and same place. We feel that only one species is involved.