New taxa of Orthoptera (Insecta Tettigoniidae Phaneropterinae) from Madagascar
Author
Massa, Bruno
text
Zootaxa
2017
4242
2
299
312
journal article
36305
10.11646/zootaxa.4242.2.5
a139c54e-3e0d-4307-8d70-51241abc440d
1175-5326
376404
EB797A4E-5182-495C-BF94-FEC332BCCC90
Xenodoxus nobilis
Carl, 1914
(
Figs 1
A–1H)
Material
examined
.
Madagascar
, surroundings of
Rogez
(
1♂
)
;
Madagascar
,
Ampanefena
(
1♂
)
;
Madagascar
,
Vahémar
(
1♂
,
2♀
) (
NHMP
).
Remarks
. These are the first records after the description of
Xenodoxus nobilis
from
Madagascar
. Below peculiar characters of the species are reported.
Characters
. Tegmina bicolored, anteriorly cream, posteriorly brown, hind wings dark, hind legs with black and white stripes (
Figs 1
A, 1B, 1H). Fastigium of vertex very narrow, eyes round, prominent, fronto-genal keels absent (
Fig. 1
G). Antennae very long, exceeding ca.
3 cm
extended hind legs. Stridulatory file with big teeth in the distal part and smaller and evenly spaced teeth in proximal part (
Fig. 1
C); in the right tegmina only 11–12 teeth behind the speculum. Fore coxae armed, fore femora unarmed, fore tibiae with open tympana on both sides, superiorly furrowed, with 4 inner and outer ventral spines + 1 spur on each side, 2 inner dorsal + 1 spur; mid femora unarmed, mid tibiae with 6 inner and 9 outer ventral spines + 1 spur on each side, 1 inner dorsal + 1 spur. Genicular lobes with a pair of small spines. Last tergite ending with two lateral hook-like up-curved and pointed appendixes, apically crossing (
Figs 1
A, 1D). Cerci in-curved, stout at their base, then more slender, up-curved and pointed. Male subgenital plate narrow and long, with a deep concavity, its apices divergent and pointed (
Fig. 1
D). Ovipositor long and laterally flat, superiorly and inferiorly denticulate in the apical part (
Fig. 1
B). Female subgenital plate rhomboidal (
Fig. 1
F).
Measurements
. Males. Body length: 12.3–15.0; length of pronotum: 2.6–2.9; length of tegmina: 19.0–21.3; width of tegmina: 3.2–4.0; length of hind femora: 16.1–17.5. Females. Body length: 14.4–15.6; length of pronotum: 2.7–2.8; length of tegmina: 19.0–20.0; width of tegmina: 2.8–3.2; length of hind femora: 16.5–18.0; ovipositor: 7.5–7.8.