Micraris ryukyuensis, Watanabe, 2021
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publication ID |
https://doi.org/ 10.32225/bkpmnh.2021.50_55 |
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publication LSID |
lsid:zoobank.org:pub:DD695C62-DC2F-4D32-8D33-52648E28661D |
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DOI |
https://doi.org/10.5281/zenodo.12769948 |
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persistent identifier |
https://treatment.plazi.org/id/15B82875-836F-4289-9212-DB33EC2450DD |
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taxon LSID |
lsid:zoobank.org:act:15B82875-836F-4289-9212-DB33EC2450DD |
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treatment provided by |
Felipe |
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scientific name |
Micraris ryukyuensis |
| status |
sp. nov. |
Micraris ryukyuensis sp. nov.
(New SJN: Ryukyu-mame-togari-himebachi)
( Figs 9A–E View Fig , 65C View Fig , 66B View Fig )
Etymology. The specific name is from Ryukyu Islands, where contains the type locality, Yakushima Islands.
Type series. Holotype: KPM-NK 81873 , F, JAPAN, Kagoshima Pref., Yakushima Is., Hanyama , 29. I. – 27. II. 2007, T. Yamauchi et al. leg. (MsT).
Description. Female (n=1). Body length 5.7 mm. Body covered with silver setae.
Head. Clypeus 1.8 times as wide as maximum length, its anterior margin subtruncate, narrowly margined. Face polished, punctate ( Fig. 9B View Fig ). MSL 0.5 times as long as BWM. Frons and gena polished, with fine and sparse punctures. Vertex largely smooth. OOL longer than POL. POL shorter than OD. Occipital carina complete, its lower end joined with hypostomal carina distant from mandibular base. Upper tooth of mandible almost as long as lower tooth. Base of mandible flat. Antenna with 25 flagellomeres, subapical part slightly widened. FL III 7.0 times as long as maximum depth in lateral view.
Mesosoma 2.1 times as long as maximum depth in lateral view. Lateral part of pronotum smooth except for punctuated dorso-lateral areas, with short epomia. Mesoscutum polished, punctate except for postero-median rugulose area, with distinct notaulus ( Fig. 9C View Fig ). Punctures on median and lateral lobes of mesoscutum evenly punctate, separated by about 1.5 times as long as diameter of punctures. Scutellum punctate, its lateral margin completely absent. Mesopleuron covered with longitudinal striae medially, punctures dorsally and ventrally except for smooth speculum. Metapleuron punctate, with a complete juxtacoxal carina. Anterior and posterior transverse carinae of propodeum complete ( Fig. 65C View Fig ). Area basalis distinct ( Fig. 65C View Fig ). Area superomedia indistinct laterally ( Fig. 65C View Fig ). Anterior part of propodeum punctate ( Fig. 9C View Fig ). Median and posterior parts of propodeum punctate except for median smooth areas. Areolet present (vein 3rs-m weakly developed) ( Fig. 9D View Fig ). Vein 2m-cu of fore wing with two bullae. Nervellus inclivous, intercepted behind the middle ( Fig. 9D View Fig ). Length of fore wing 4.5 mm. Hind femur 4.3 times as long as maximum depth in lateral view. Hind TS I: II: III: IV: V = 2.0: 0.8: 0.6: 0.3: 0.5. Tarsal claws simple.
Metasoma. T I 1.9 times as long as maximum width, longitudinally striae ( Fig. 9E View Fig ) except for area above spiracle punctate. Median dorsal carina of T I present except for posterior part. Dorsolateral carina of T I complete. T II and T III densely punctate except for posterior smooth area ( Fig. 9E View Fig ), with subapical shallow transverse concavity, with a pair of smooth convexity on the sublateral side of the concavity. T IV and T V covered with dense punctures except for smooth posterior areas. Ovipositor sheath 1.0 times as long as hind tibia. Apex of ovipositor without a nodus and its lower valve expanded dorsally to enclose tip of upper valve, with subvertical teeth ( Fig. 66B View Fig ).
Coloration ( Figs 9A–E View Fig ). Body (excluding wings and legs) black to blackish brown. Ventral parts of scape and pedicel yellowish brown. Ventral surface of flagellum paler than dorsal surface. Mandible yellowish brown except for darkened apex. Palpi, postero-dorsal corner of pronotum, collar, anterior spot of mesoscutum, subtegular ridge, and tegula yellow. Pronotum reddish yellow except for yellow areas and posterior black area. Mesoscutum reddish yellow except for yellow areas and posterior black area. Mesopleuron with reddish yellow area below subtegular ridge. Scutellum reddish yellow except for median black area. Postscutellum reddish yellow. Propodeum with a median reddish yellow spot. Posterior part of T I to T V whitish yellow. Anterior margin of T II to T IV whitish yellow. Whitish yellow area of T III enlarged and joined anterior area with posterior area at median part. T VI to T VIII entirely reddish yellow. Membranous part of metasomal sternites whitish yellow. Ovipositor reddish brown. Wings hyaline. Veins and pterostigma dark brown. Legs reddish brown to yellowish brown. Trochanters, fore and mid coxae, and trochantelli yellow. Fore and mid tibiae with a white base and a subbasal white band. Dorsal part of hind coxa blackish brown except for dorsal and basal brown areas. Apical part of hind femur, basal and apical parts of hind tibia, and hind tarsus blackish brown. Hind tibia with a subbasal white band.
Male. Unknown.
Distribution. Japan (Yakushima Is.).
Bionomics. Unknown.
Remarks. This species can be distinguished from Mi. collaris by the following character states: antero-ventral area of mesopleuron without wrinkles (with wrinkles in Mi. collaris ); length of fore wing 4.5 mm (3.2–3.8 mm in Mi. collaris ); pronotum, mesoscutum, and mesopleuron tinged with tricolor by black, red, and yellow (bicolor by black and white or ocher color in Mi. collaris ).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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