Duolandrevus (Eulandrevus) ziyunensis, Shi, 2017

Shi, Fu-Ming, 2017, Taxonomy of the subgenus Duolandrevus (Eulandrevus) Gorochov (Orthoptera: Gryllidae: Landrevinae: Landrevini) from China, with descriptions of three new species, Zootaxa 4317 (2), pp. 310-320 : 315-316

publication ID

https://doi.org/ 10.11646/zootaxa.4317.2.7

publication LSID

lsid:zoobank.org:pub:0C6B4771-48Ac-45Ad-Ada6-989297741355

DOI

https://doi.org/10.5281/zenodo.6050823

persistent identifier

https://treatment.plazi.org/id/03D8A50F-FFFC-FF84-C8C3-FB69748395C3

treatment provided by

Plazi

scientific name

Duolandrevus (Eulandrevus) ziyunensis
status

sp. nov.

7. Duolandrevus (Eulandrevus) ziyunensis sp. nov.

( Figs 6 View FIGURES 5 – 6 , 9, 12 View FIGURES 9 – 14 , 15 View FIGURES 15 – 17 )

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:498555

Description. Male. Body medium ( Fig. 6 View FIGURES 5 – 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 View FIGURES 9 – 14 ; 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 View FIGURES 9 – 14 ), trapezoid, about 2 times as long as wide, posterior margin arc-shaped, apex sunk. Genitalia ( Fig. 15 View FIGURES 15 – 17 ): 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).

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