Gryllacris (Pardogryllacris) longiloba Gorochov & Dawwrueng, 2015

Ingrisch, Sigfrid, 2018, New taxa and records of Gryllacrididae (Orthoptera, Stenopelmatoidea) from South East Asia and New Guinea with a key to the genera, Zootaxa 4510 (1), pp. 1-278 : 61-62

publication ID 10.11646/zootaxa.4510.1.1

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Gryllacris (Pardogryllacris) longiloba Gorochov & Dawwrueng, 2015


Gryllacris (Pardogryllacris) longiloba Gorochov & Dawwrueng, 2015 View in CoL

Figs. 11 View FIGURE 11 C–D, 12L, 14A–E, 17F, 17L, 100B–C

Gryllacris longiloba Gorochov & Dawwrueng, 2015 in Gorochov, A.V., Dawwrueng, P. & Artchawakom, T. (2015b) View in CoL

syn. Gryllacris iunior Griffini, 1913a View in CoL (nec Gryllacris junior Brunner, 1888 View in CoL )

Material examined. Thailand: Tak, Ban Mae Salit, Monkrating resort, elev. 700–800 m (17°30'N, 98°5'E), 18– 21.ix.1989, leg. S. Ingrisch— 1 female, 1 male (Bonn ZFMK) GoogleMaps topotypic specimens; same locality, 11–13.x.1990, leg. S. Ingrisch— 2 females, 1 male (Bonn ZFMK) GoogleMaps ; Umphang , 0–3 km South, (16°0'N, 98°50'E), 15.x.1991, leg. S. Ingrisch— 1 female (Bonn ZFMK) GoogleMaps .—" Gryllacris iunior Griffini 1913 ": Myanmar: Rangoon, 1902, leg. J. Claine— 1 male (Paris MNHN) .

Discussion. Gorochov et al. (2015) compare the species with G. appendiculata Brunner, 1888 from the Papuan region. However, it is more similar to Gryllacris junior Brunner, 1888 [If this name is really a synonym of Gryllacris contracta Walker, 1869 is in my opinion doubtful]. The prolonged eighth tergite and the shape of the ninth tergite resemble more G. junior than G. appendiculata , although they do not fully agree and certainly represent different species. Also Brunner (1888) mentions that G. junior has uniformly colored tegmina. However, the male that Griffini (1913b) described under the name " Gryllacris iunior [sic] Brunner" seems to largely agree with G. longiloba (see drawings of abdomen apex in Figs. 14 View FIGURE 14 K–L). This specimen was collected in Rangoon. G. longiloba has speckled tegmina and the shape of the ninth abdominal tergite agrees in a basic concept with species like G. pardalina Gerstaecker, 1860 , G. lineolata Serville, 1838 , or G. ovulicauda sp. nov. They all have the ninth tergite with a stem-like base that is movable against the eighth tergite and terminates into a widened apical area. Thus G. longiloba should be included in the subgenus Pardogryllacris .

Description. Medium large species. Head: Face ovoid; forehead nearly smooth but very finely shagreened; fastigium verticis distinctly wider than scapus, separated by a transverse suture from fastigium frontis; ocelli distinct; subocular furrow present, but rather shallow and wide ( Fig. 12L View FIGURE 12 ). Abdominal tergites two and three with stridulatory pegs.

Wings reaching or little surpassing hind knees ( Figs. 11 View FIGURE 11 C–D). Tegmen: Radius with two branches, both forked near tip; media anterior has a common stem with radius, arising as first posterior branch of radius at about end of basal third of tegmen; media posterior absent; cubitus anterior dividing into two veins before mid-length of tegmen; cubitus posterior undivided, free throughout; with 4 Anal veins the last two with a common stem.

Legs: Fore coxa with a spine at fore margin; fore and mid femora unarmed; fore and mid tibiae with four pairs of large ventral spines and one pair of smaller ventral spurs; hind femur with 7–10 external and 6–11 internal spines on ventral margins; hind tibia with spaced spines on both dorsal margins, ventral margins with one pre-apical spine; with 3 apical spurs on both sides.

Coloration ( Figs. 100 View FIGURE 100 B–C): General color rather uniformly brown, vertex and pronotum with little distinct dark pattern: vertex with two or four light bands; pronotum with dark lines along furrows, four large light spots and dark hind margin. Face dark red; area around and including ocelli ochre yellow, spot around median ocellus very prominent; ventral areas of clypeus and labrum also yellow; vertex and antennal segments brown; maxillary palpi light brown. Tegmen semi-transparent yellow, veins light brown; in central area of tegmen except at base and tip cross-veins dark brown to black and accompanied by a very narrow dark band; hind wing semi-transparent ochre, main veins brown; cross veins blackish brown bordered by a dark brown band on both sides.

Male. Eighth abdominal tergite globular, strongly prolonged behind; apical margin rounded but faintly concave in middle. Ninth abdominal tergite (type F) with very base wide, quickly narrowing into a long process flipped in situ anteriorly: apart from basal widening forming an almost parallel-sided trunk, between one third to one half of length little constricted, in apical area strongly but regularly widening on both sides, at apex on both sides with acute angles and convex apical margin ( Figs. 14 View FIGURE 14 A–D). Subgenital plate wider than long, lateral margins slightly diverging posteriorly; apical margin obtuse angular in general outline but in middle bilobate; styli about as long as subgenital plate in midline, inserted at lateral angles of apical margin ( Fig. 14E View FIGURE 14 ).

Female. Seventh abdominal sternite little wider than preceding sternites, with a weak medial furrow, in middle of basal margin little excised and surrounding membranous area dark; setose, especially in posterior area. Subgenital plate separated by a prolonged membranous zone from preceding sternite and with membranous ventral surface; lateral margins strongly sclerotised, at base running ventro-apicad, then curved backwards; margin curled ventrad over the whole length thus forming a distinct margination; apical margin subtruncate, faintly concave in middle ( Fig. 17L View FIGURE 17 ). Base of ovipositor with a small button-like, in lateral view elongate sclerite at very base of ovipositor. Ovipositor elongate, in subbasal area moderately upcurved, in apical half straight, margins gradually approaching towards apex; apical area slightly thickened, tip subobtuse ( Fig. 17F View FIGURE 17 ).

Measurements (2 males, 4 females).—body w/wings: male 38, female 32–38; body w/o wings: male 30–31, female 28–32; pronotum: male 5.0–5.8, female 4.7–6.5; tegmen: male 27–28, female 21.5–26.0; tegmen width: male 9.5–10.5, female 8.5–9.0; hind femur: male 17.5–18.5, female 15.5–18.5; antenna: male 150, female 95–120; ovipositor: female 21–25 mm.


Zoologisches Forschungsmuseum Alexander Koenig


Museum National d'Histoire Naturelle














Gryllacris (Pardogryllacris) longiloba Gorochov & Dawwrueng, 2015

Ingrisch, Sigfrid 2018

Gryllacris iunior

Griffini 1913

Gryllacris junior

Brunner 1888
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