Parametrypa dentata, Gorochov, 2021

Gorochov, A. V., 2021, Taxonomy of Podoscirtinae (Orthoptera: Gryllidae). Part 13: new taxa of the subtribe Podoscirtina from Africa, Zoosystematica Rossica (Zoosyst. Rossica) 30 (1), pp. 64-77 : 75-77

Parametrypa dentata sp. nov.

( Figs 44–46 )

Holotype. Female ; South Africa, Northern Prov., “Tzaneen, Stylkop”, 23°56 ′ S, 30°01 ′ E, 14.II.2003, D. Prentice ( SANC).

Description. Female (holotype). Body moderately large, more or less shining. Coloration ( Figs 44–46 ) darker than in P. longispinosa sp. nov.: uniformly brown with light brown ventral parts, slightly darker and yellowish (almost whitish) lines along posterior margin of almost each abdominal tergite, more or less dark brown tibiae and apical part of hind femur as well as several areas on abdominal apex (including longitudinal stripe on each lateral edge of ovipositor, but cerci almost uniformly light greyish brown).

Scape approximately 1.3 times as wide as rostrum between antennal cavities; lateral and median ocelli as in P. longispinosa sp. nov.; hind femur ventrally with 1–2 strong unarticulated denticles (teeth) in distal part; hind tibia not thickened in proximal half, dorsally with five pairs of articulated spines (in addition to apical spurs) and numerous unarticulated denticles (these spines and denticles clearly shorter than in P. longispinosa sp. nov.; spines almost as in P. fortipes , but denticles slightly larger than in latter species; Fig. 45 ); hind basitarsus with two outer and one inner dorsal denticles (in addition to apical spurs); genital plate similar to that of P. longispinosa sp. nov. but with apical notch slightly narrower, shallower and more angular in median part ( Fig. 46 ); hind femur approximately 1.2 times as long as ovipositor.

Male unknown.

Length (in mm). Body 27; pronotum 4.9; hind femora 15; ovipositor 12.5.

Comparison. Differences of Parametrypa dentata sp. nov. from its congeners are mentioned in the key below.

Etymology. The species name is the Latin adjective dentatus (possessing teeth).

Key to species and subspecies of Parametrypa for females

1. Body medium-sized (length: pronotum 3.8–4.2 mm, hind femora 12.5–14 mm), slightly pubescent. Coloration light brown to yellowish with a pair of dark or darkish longitudinal stripes running along lateral margins of pronotal disc on upper halves of lateral pronotal lobes ( Figs 29 and 32 ) and on lateral parts of some or all pterothoracic and abdominal tergites. Lateral ocelli tiny; median ocellus indistinct. Hind femur without spines; hind tibia dorsally with five pairs of medium-sized articulated spines (in addition to apical spurs) and numerous unarticulated denticles being much shorter than these spines ( Figs 30 and 33 ); hind basitarsus with 1–2 outer and 1 inner dorsal denticles (in addition to apical spurs); hind femur 1.1–1.2 times as long as ovipositor........... 2

– Body moderately small (length: pronotum 3.2–3.5 mm, hind femora 10.8–11.6 mm) or moderately large (length: pronotum 4.9–5.8 mm, hind femora 15–16 mm), distinctly pubescent or slightly shining. Coloration more uniform, without distinct darker stripes ( Figs 35, 41, 44 ). Lateral ocelli small or tiny; median ocellus tiny or indistinct. Hind femur with or without spines; hind tibia dorsally with 4–5 outer and 5 inner articulated spines (in addition to apical spurs) as well as numerous unarticulated denticles (these spines and denticles more diverse in length; Figs 37, 42 and 45 ); hind basitarsus with 0–2 outer and 1–2 inner dorsal denticles (in addition to apical spurs); hind femur approximately 1.2 times as long as ovipositor or barely shorter than ovipositor........................ 3

2. Body light greyish brown dorsally, yellowish ventrally and laterally, with brown narrow longitudinal stripe behind each eye, dark brown wide longitudinal stripe on each lateral surface of thorax and abdomen ( Fig. 29 ), and dark brown to greyish brown median (dorsal) stripe on abdomen (sometimes this stripe divided into a pair of parallel lines located very close to each other). Antenna light brown with sparse tiny darkish spots on flagellum ( Fig. 29 ). Hind tibia ( Fig. 30 ) and two areas on hind femur (in apical and ventral parts) also more or less darkened. Genital plate with distinct (but not deep), rather wide and rounded posterior notch ( Fig. 31 )............................. P. fortipes fortipes

– Body very light brown dorsally, yellowish ventrally and laterally, without darkened marks on head, with brown or brownish narrow longitudinal stripe on each lateral surface of thorax and abdomen or on lateral surface of thorax and anterior abdominal tergites ( Fig. 32 ). Antenna uniformly light brown ( Fig. 32 ). Hind tibia ( Fig. 33 ) and apical part of hind femur light brown; hind femur with a darkened spot on ventral side. Genital plate with posterior notch similar to that of nominotypical subspecies but smaller ( Fig. 34 )........................................ P. fortipes spiculata , stat. nov.

3. Body moderately small (length: pronotum 3.2–3.5 mm, hind femora 10.8–11.6 mm), distinctly pubescent. Coloration light yellowish grey with following darker elements: poorly distinct barely darker greyish pattern on head dorsum and tergites, two pairs of small greyish brown stripes behind eyes and under them, darkish spots on scapes and sparse dots on legs (hind leg also with partly darkened tibia, tarsus, apical and ventral parts of femur, and with rather large darkish dots on femur located almost only along its ventral edge; Figs 35 and 36 ). Lateral ocelli small; median ocellus tiny. Hind femur without spines; hind tibia dorsally with 4–5 outer and 5 inner articulated spines similar to those of P. fortipes in size, and with numerous unarticulated denticles being clearly smaller than in P. fortipes ( Fig. 37 ). Genital plate with rather short (not deep) but nearly angular apical notch ( Fig. 40 ). Ovipositor approximately 1.1 times as long as hind femur........................... P. pubescens sp. nov.

– Body moderately large (length: pronotum 4.9–5.8 mm; hind femora 15–16 mm), more or less shining. Coloration light brown to brown, almost without distinct pattern on head and thoracic tergites ( Figs 41 and 44 ), but tibiae or only hind tibia somewhat darker, and apex of hind femur and abdomen with darkened areas. Lateral ocelli tiny, poorly distinct; median ocellus indistinct. Hind femur with or without spines; hind tibia dorsally with five pairs of articulated spines rather diverse in size and with numerous unarticulated denticles being distinctly larger than in P. pubescens sp. nov. and even slightly larger than in P. fortipes ( Figs 42 and 45 ). Genital plate with apical notch clearly longer (deeper) than in P. pubescens sp. nov. ( Figs 43 and 46 ). Hind femur approximately 1.2 times as long as ovipositor.................. 4

4. Pronotal length about 5.8 mm; length of hind femora about 16 mm. Coloration uniformly light brown but with yellowish ventral part of head and thorax, barely darkened and interrupted stripes along lateral parts of abdomen as well as along median line of abdominal dorsum, slightly darkened hind tibia and apical part of hind femur,and more darkened (brown) small transverse spot on almost each abdominal sternite ( Figs 41–43 ). Hind femur ventrally without spines or denticles; hind tibia somewhat thickened in middle of its proximal half and dorsally with long articulated spines and unarticulated denticles (many of these spines and denticles clearly longer than in all other congeners; denticles spine-like and almost indistinguishable from spines in length; Fig. 42 ). Genital plate with apical notch rather wide and deep as well as roundly angular in median part ( Fig. 43 )........................ P. longispinosa sp. nov.

– Pronotal length about 4.9 mm; length of hind femora about 15 mm. Coloration darker, almost uniformly brown but with light brown ventral parts and nearly dark brown tibiae and apical part of hind femur ( Figs44–46 ). Hind femur ventrally with 1–2 strong unarticulated denticles (teeth) in distal part; hind tibia not thickened in proximal half and dorsally with articulated spines and unarticulated denticles being clearly shorter than in P. longispinosa sp.nov. (spines almost as in P. fortipes , but denticles slightly larger than in latter species; Fig. 45 ); genital plate distinguished from that of P. longispinosa sp. nov. by apical notch slightly narrower and shallower as well as more angular in median part ( Fig. 46 )............................. P. dentata sp. nov.

Figures

Figs 29–46. Parametrypa, female (29–34, 37, 40–46) and male (35, 36, 38, 39): 29–31, P. fortipes fortipes; 32–34, P. fortipes spiculata, stat. nov.; 35–40, P. pubescens sp. nov.; 41–43, P. longispinosa sp. nov.; 44–46, P. dentata sp. nov. Head with pronotum, dorsolateral and slightly anterior view (29, 32, 35, 41, 44); proximal half of hind tibia (30, 33, 37, 42, 45), dorsal and slightly inner view (left) as well as dorsal and slightly outer view (right); genital plate from below (31, 34, 40, 43, 46); hind femur, outer view (36); abdominal apex from above (38) and from below (39).