Taxonomy of the subgenus Duolandrevus (Eulandrevus) Gorochov (Orthoptera: Gryllidae: Landrevinae: Landrevini) from China, with descriptions of three new species
Author
Shi, Fu-Ming
text
Zootaxa
2017
2017-04-04
4317
2
310
320
journal article
32216
10.11646/zootaxa.4317.2.7
3ca74e64-321c-47ab-9fc5-d1bc97c954f5
1175-5326
884343
0C6B4771-48Ac-45Ad-Ada6-989297741355
7.
Duolandrevus
(
Eulandrevus
)
ziyunensis
sp. nov.
(
Figs 6
,
9, 12
,
15
)
http://lsid.speciesfile.org/urn:lsid:
Orthoptera
.speciesfile.org:TaxonName:498555
Description. Male
. Body medium (
Fig. 6
), occiput somewhat convex, frontal rostrum smooth, as wide as antennal scape, antennal scape short, trapezoid, anterior margin somewhat convex. Lateral ocelli oval, located at the base of side frontal rostrum; median ocellus fissuriform, located at midpoint of frontal rostrum top. Eyes medium size, oval. Apical joint of maxillary palpi depressed, inclined, and longer than the third joint; apical joint of labial palpi longer than second joint, about 1.5 times as long as wide, depressed and truncate. Width of head subequal with anterior margin of pronotum; pronotum obviously transverse, flat, with more pubescent; anterior margin concave, posterior margin straight, about 1.5 times as long as wide. Metanotal gland developed, as in
Fig.12
; width of anterior margin of glandular fossa equal with posterior margin, central area with hair. Tegmina extending to base of 8th the abdominal tergite; with 5 oblique veins on dorsal surface; without mirror, apical area with irregular cross-venation; with 5 longitudinal veins in lateral field. Fore tibiae with two tympana, oblong, almost equal in size; hind tibiae armed with small spines on the basal half portion and with 4 long spines respectively on both sides at the apical half portion.
Supra-anal plate simple (
Fig. 9
), trapezoid, about 2 times as long as wide, posterior margin arc-shaped, apex sunk. Genitalia (
Fig. 15
): Epiphallus equipped with a pair of small median lobes; lateral lobes wide and armed with somewhat squared apex, anterior margin of lateral lobes with a denticle curved upward; apical lobes of ectoparamere large and apically bluntly round in lateral view, lateral lobes with ectoparamere almost equal in length.
Female.
Unknown.
Coloration:
Head and pronotum black brown. Ocelli orange yellow; labrum and eye bright brown. Antenna, legs and tegmina copper yellow.
Measurements (mm).
Body:14.2; pronotum:3.1; tegmen: 7.5; hind femur 13.0.
Type
material.
Holotype
♂
,
Ziyun
,
Fujian
,
China
,
29 July
, 2014, collected by
Limei Li.
Distribution.
China
(
Fujian
).
Diagnosis.
This new species is related to
Duolandrevus
(
Eulandrevus
)
kalimantan
, but it can be distinguished on the length of ectoparamere, the former lateral lobes with ectoparamere almost equal in length; anterior margin of lateral lobes with a denticle curved upward.
Etymology.
The specifc name is derived from the
type
locality Ziyun (
China
:
Fujian
).