New species of Zygoclistron Rehn, 1905 (Insecta: Orthoptera: Acrididae: Copiocerinae) in the central corridor of the Atlantic Forest biome
Author
Silva, Daniela Santos Martins
Author
Pereira, Marcelo Ribeiro
Author
Domenico, Fernando Campos De
Author
Sperber, Carlos Frankl
text
Zootaxa
2016
4126
2
251
261
journal article
38796
10.11646/zootaxa.4126.2.5
6f38f16d-a11d-455f-aeb7-c18a444dbe5f
1175-5326
259906
7F61423F-A218-4CCA-823B-A47C0AF69866
Zygoclistron ruschii
Silva
n. sp.
(
Figs. 2
,
3
,
4
).
http://lsid.speciesfile.org/urn:lsid:
Orthoptera
.speciesfile.org:TaxonName:478477
Etymology.
The specific epithet refers to a researcher, naturalist and ecologist Augusto Ruschi.
Type
locality.
Holotype
labeled: “
Brasil
, Espírito Santo, Santa Teresa, Reserva Biológica Augusto Ruschi (
19°54'20" S
40°33'44" W
),
16/vii/2014
. Silva, D.S.M. & Pereira, M.R. [licença SISBIO n° 37717]”.
Holotype
with genitalia removed. Allotype: the same data of the
holotype
.
Diagnosis.
This species can be distinguished from the other species of
Zygoclistron
by the following combination of characters: (i) Epiphallus with long and flat bridge, lophi sclerotized and ancorae straight (
Fig. 4
D), (ii) oval sclerites rounded (
Fig. 4
D), (iii) apodemes of cingulum reaching the endophallic apodemes (
Fig. 4
G), and (iv) subgenital plate with apex acute and moderately curved upwards (
Fig. 4
C).
Description.
Male
Holotype
(
Fig. 2
A, 2B and 3A).
Head
: Antennae filiform with 20 flagellum reddish, longer than the thorax, scape and pedicel brown; fastigium evident in dorsal and lateral view, not exceeding the vertex in side view; dorsal whitish perpendicular band from fastigium to occipital region; globular eyes; whitish band across the genae to the facial carina; front, clypeus, and labrum brown; mandibular articulation blackish; head brown.
Thorax
: Median carina well marked; pronotum and mesonotum rugose, with two white bands on third dorsal and a continuum white band across the genae to episternum; pronotum without lateral carina, reddish with three transverse sulci; metazona lower than the prozona, without lateral carina and transverse sulcus; prosternal spine laterally compressed and rounded apex. Tegmina and wings with same size, green-olive to brown, with rounded apex, covering the whole abdomen. Fore and middle legs brown and hirsute; hind femur whitish on external side, robust and not surpassing the abdomen tip; hind tibia brown with 10 internal and eight external dorsal spines.
Abdomen
: Tergites and sternites hirsute, covered by a mixture of dark brown, light brown, opaque green and dark spots; tympanum present. Epiproct triangular (
Fig. 4
B); cerci long and slender, curved toward subgenital plate, with flattened apex (
Fig. 4
B, 4C), subgenital plate with apex curved and moderately directed upwards (
Fig. 4
C). Phallic complex: Epiphallus with a long and flat bridge; ancorae straight; anterior projections developed; lophi sclerotized well-marked, with oval sclerites present (
Fig. 4
D). Ectophallus with cingulum with long U-shaped and slender apodemes (
Fig. 4
G, 4F); zygoma arched; side sclerites moderately large (
Fig. 4
F). Endophallus with long aedeagus, arched up and well developed in dorsal valve of aedeagus (
Fig. 4
E, F and G).
Measurements (mm): (A) 34,35; (B) 35,38; (C)1,09; (D) 3,47; (E) 2,74; (F) 6,21; (G) 9,64; (H) 15,31; (I) 25,71; (J) 2,46; (K) 1,89; (L) 13,81; (M) 1,32; (N) 4,98; (O) 4,28; (P) 4,25; (Q) 2,63.
Female allotypes (
Fig. 2
A, 2C and 3B): Similar in color and shape to
holotype
, larger in size (
57, 15 mm
); ovipositor valves short and slender, superior margin of the dorsal and ventral valve without teeth (
Fig. 4
H).
Measurements (mm): (A) 52,26; (B) 57,15; (C) 1,61; (D) 5,96; (E) 11,07; (F) 11,07; (G) 16,87; (H) 24,41; (I) 35,39; (J) 3,38; (K) 2,57; (L) 21,79; (M) 2,87; (N) 7,63; (O) 7,4; (P) 7,97; (Q) 4,0.
Occurrence.
Reserva Biológica Augusto Ruschi, Santa Teresa, Espírito Santo,
Brazil
(
Fig. 1
).
Material examined.
1
holotype
(male) and 1 allotype (female) (
Figs. 2
and
3
).
Observation.
Male and female with antenna broken.