Parastephanellus

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Taxonavigation

Ordo: Hymenoptera
Familia: Stephanidae

Name

Parastephanellus Enderlein, 1906 – Wikispecies link – Pensoft Profile

• Parastephanus Enderlein 1905: 474 (not Haeckel 1881). Type species (by original designation): Stephanus pygmaeus Enderlein, 1901.
• Parastephanellus Enderlein 1906: 301. Type species (by original designation): Stephanus pygmaeus Enderlein 1901.
• Parastephanellus brevistigma Enderlein 1913: 203; Brues 1918: 100; Elliott 1922: 747, 756; Chao 1964: 380, 387; Belokobylskij 1995: 22; Aguiar 2004: 65.
• Parastephanellus politus Chao 1964 (notElliott 1928): 380, 387. syn. n.
• Parastephanellus austrochinensis Belokobylskij 1995: 22; Aguiar 2004: 65. syn. n.
• Parastephanellus matsumotoi van Achterberg 2006: 219–221.

Diagnosis

Temple with pale yellowish streak along eye (Figs 257, 270, 304, 330); neck short and comparatively robust, without pronotal fold or distinct transverse carinae (Figs 253, 266, 279, 288, 300, 313, 326, 339); metapleuron robust; vein 2-CU1 of fore wing completely developed; veins 2-SR and 2-SR+M of fore wing present, sometimes only pigmented; vein 1-SR of fore wing straight (Figs 252, 265, 278, 287, 299, 312, 325, 338); outer side of hind tibia with distinct oblique striae or carinae ventrally, rarely without striae or ventral carina (Figs 263, 276, 282, 310, 323, 336, 349); ovipositor sheath without ivory subapical band (Figs 264, 276, 311, 324, 337, 350).

Distribution

Australian, Palaearctic and Oriental.

Notes

Before this study, 56 species in the genus Parastephanellus were known worldwide, of which 2 species were known from China. In this paper, 3 species of this genus are new to science, one species is synonymized (Parastephanellus austrochinensis Belokobylskij, 1995 for Parastephanellus brevistigma Enderlein, 1913) and one species, Parastephanellus matsumotoi, is a new record to China; altogether 5 species are known from China. A key to species of Parastephanellus from China and adjacent regions follows:

Key to species of the genus Parastephanellus from China and adjacent regions

Key to species of the genus Parastephanellus from China and adjacent regions — C. Hong , C. van Achterberg , Z. Xu

1		Pygidial process of female rounded apically (Fig. 347); propodeum densely foveolate and interspaces small (Fig. 341) and yellowish streak reaching occipital carina (Fig. 342); apical large tooth of hind femur comparatively wide and more or less obtuse (Fig. 349); [pterostigma about 5 times as long as wide]    Parastephanellus zhejiangensis sp. n.
–		Pygidial process of female horn-shaped apically (Figs 261, 274, 308, 321, 334), but unknown of Parastephanellus brevistigma; propodeum usually sparsely foveolate and interspaces mostly wider than diameter of punctures or subequal, and if densely foveolate then yellowish streak remain far removed from occipital carina (Figs 255, 268, 281, 290, 302, 315, 328); apical large tooth of hind femur comparatively narrow and more or less acute (Figs 262, 276, 294, 310, 323, 335)    2
2		Pterostigma distinctly widened and comparatively short, 4–5 times as long as wide (Figs 278, 287); temple yellowish and without distinctly contrasting ivory streak (Figs 285, 292; male, but more or less developed in female); frons of female brownish-yellow (Figs 286, 293); pronotum comparatively short and lateral length 0.8–0.9 times its maximum width (Figs 279, 288); [pronotum in dorsal view superficially sculptured and shiny; base of second tergite brownish-yellow; first tergite about as long as remainder of metasoma in male, 0.8 times in female; frons transversely rugose]    Parastephanellus brevistigma Enderlein, 1913
–		Pterostigma hardly widened and longer, 5–6 times as long as wide (Figs 252, 265, 299, 312, 325); temple orange or dark brown or blackish and with a yellowish or ivory streak distinctly contrasting with surroundings (Figs 257, 304, 317, 330); frons of female dark brown or orange brown (Figs 258, 271, 305, 318, 331); pronotum somewhat longer and its lateral length equal to its maximum width (Figs 253, 279, 300, 313, 326)    3
3		Middle basitarsus of female about 6 times as long as its medial with; first discal cell of fore wing comparatively narrow and its length about 3.1 times as long as vein 1-M (Fig. 265); first metasomal tergite of female comparatively robust; [hind coxa of female comparatively short and wide in lateral view (Figs 272, 273)]    Parastephanellus brevicoxalis sp. n.
–		Middle basitarsus of female 8–12 times as long as its medial with; first discal cell of fore wing comparatively wide and its length 2.2–2.7 times as long as vein 1-M (Figs 252, 299, 312, 325); first tergite of female comparatively slender    4
4		Hind femur shiny and largely smooth (Fig. 262); distance from dorsally widened pale streak on temple to occipital carina in dorsal view less than width of streak (Fig. 256); temples strongly angulate in dorsal view (Fig. 256); pronotum chestnut-brown (Figs 253, 254); frons orange-brown (Fig. 258)    Parastephanellus angulatus sp. n.
–		Hind femur matt or with satin sheen, largely coriaceous (Figs 309, 322, 335); distance from dorsally widened pale streak on temple to occipital carina in dorsal view more than width of streak (Figs 304, 316, 330); temples moderately angulate to rather rounded in dorsal view (Figs 303, 316, 329); pronotum dark brown or blackish (Figs 300, 313, 326); frons largely dark brown    Parastephanellus matsumotoi van Achterberg, 2006

Taxon Treatment

• Hong, C; van Achterberg, C; Xu, Z; 2011: A revision of the Chinese Stephanidae (Hymenoptera, Stephanoidea) ZooKeys, 110: 1-108. doi

Images

Plate 30. Figures 252–258. Parastephanellus angulatus sp. n., holotype, female. 252 fore wing 253 pronotum dorsal 254 pronotum lateral 255 scutellum and propodeum dorsal 256 head dorsal 257 head lateral 258 head anterior.  Plate 31. Figures 259–264. Parastephanellus angulatus sp. n., holotype, female. 259 hind coxa dorsal 260 hind coxa lateral 261 pygidial process 262 hind femur and inner side of hind tibia 263 detail of basal part of hind tibia 264 ovipositor sheath.  Plate 32. Figures 265–271. Parastephanellus brevicoxalis sp. n., holotype, female. 265 fore wing 266 pronotum dorsal 267 pronotum lateral 268 scutellum and propodeum dorsal 269 head dorsal 270 head lateral 271 head anterior.  Plate 33. Figures 272–277. Parastephanellus brevicoxalis sp. n., holotype, female. 272 hind coxa dorsal 273 hind coxa lateral 274 second-eighth tergites dorsal 275 hind femur and outer side of hind tibia 276 detail of basal part of hind tibia 277 ovipositor sheath.  Plate 34. Figures 278–286. Parastephanellus brevistigma Enderlein, 1913, holotype, male. 278 fore wing 279 pronotum dorsal 280 pronotum lateral 281 scutellum and propodeum dorsal 282 hind coxa lateral 283 hind coxa dorsal 284 head dorsal 285 head lateral 286 head anterior.  Plate 35. Figures 287–293 Parastephanellus brevistigma Enderlein, 1913, male, Longzhou, Guangxi. 287 fore wing 288 pronotum dorsal 289 pronotum lateral 290 scutellum and propodeum dorsal 291 head dorsal 292 head lateral 293 head anterior.  Plate 36. Figures 294–298. Parastephanellus brevistigma Enderlein, 1913, male, Longzhou, Guangxi. 294 hind femur and outer side of hind tibia 295 detail of basal part of hind tibia 296 inner side of hind tibia 297 hind coxa lateral 298 second-eighth tergites dorsal.  Plate 37. Figures 299–305. Parastephanellus matsumotoi van Achterberg, 2006, paratype, female. 299 fore wing 300 pronotum dorsal 301 pronotum lateral 302 scutellum and propodeum dorsal 303 head dorsal 304 head lateral 305 head anterior.  Plate 38. Figures 306–311. Parastephanellus matsumotoi van Achterberg, 2006, paratype, female. 306 hind coxa dorsal 307 hind coxa lateral 308 pygidium process 309 hind femur and outer side of hind tibia 310 detail of basal part of hind tibia 311 ovipositor sheath.  Plate 39. Figures 312–318. Parastephanellus matsumotoi van Achterberg, 2006, female, Luoshan, Henan. 312 fore wing 313 pronotum dorsal 314 pronotum lateral 315 scutellum and propodeum dorsal 316 head dorsal 317 head lateral 318 head anterior.  Plate 40. Figures 319–324. Parastephanellus matsumotoi van Achterberg, 2006, female, Luoshan, Henan. 319 hind coxa dorsal 320 hind coxa lateral 321 second-eighth tergites dorsal 322 hind femur and outer side of hind tibia 323 detail of basal part of hind tibia 324 ovipositor sheath.  Plate 41. Figures 325–331. Parastephanellus matsumotoi van Achterberg, 2006, female, Mt. Baiyun, Henan. 325 fore wing 326 pronotum dorsal 327 pronotum lateral 328 scutellum and propodeum dorsal 329 head dorsal 330 head lateral 331 head anterior.  Plate 42. Figures 332–337. Parastephanellus matsumotoi van Achterberg, 2006, female, Mt. Baiyun, Henan. 332 hind coxa dorsal 333 hind coxa lateral 334 second-eighth tergites dorsal 335 hind femur and outer side of hind tibia 336 detail of basal part of hind tibia 337 ovipositor sheath.  Plate 43. Figures 338–344. Parastephanellus zhejiangensis sp. n., holotype, female. 338 fore wing 339 pronotum dorsal 340 pronotum lateral 341 scutellum and propodeum dorsal 342 head dorsal 343 head lateral 344 head anterior.  Plate 44. Figures 345–350. Parastephanellus zhejiangensis sp. n., holotype, female. 345 hind coxa dorsal 346 hind coxa lateral 347 second-eighth tergites dorsal 348 hind femur and outer side of hind tibia 349 detail of basal part of hind tibia 350 ovipositor sheath.