Orius (Dimorphella) tantillus ( Motschulsky, 1863 )
publication ID |
https://doi.org/ 10.1080/00222933.2015.1104393 |
DOI |
https://doi.org/10.5281/zenodo.4332763 |
persistent identifier |
https://treatment.plazi.org/id/EA370637-2071-0D0D-4110-344EFD94FC53 |
treatment provided by |
Carolina (2020-08-18 17:38:34, last updated 2024-11-29 15:43:34) |
scientific name |
Orius (Dimorphella) tantillus ( Motschulsky, 1863 ) |
status |
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Orius (Dimorphella) tantillus ( Motschulsky, 1863)
( Figures 1D View Figure 1 , 4E – H View Figure 4 , 5O,P View Figure 5 , 7B View Figure 7 , 8D – F View Figure 8 , 10C View Figure 10 , 13B View Figure 13 , 18D – F View Figure 18 , 20B View Figure 20 )
Anthocoris tantillus Motschulsky, 1863: 89 . Neotype ( Ghauri 1972: 414): ♂, Ceylon [= Sri Lanka], Pundalu-oya (BMNH) [examined]; Distant 1904: 222 ( Triphleps , list); Distant 1906: 8 ( Triphleps , redescription, figure); Poppius 1909: 43 ( Triphleps , redescription); Ghauri 1964: 687 ( Orius View in CoL , diagnosis); Ghauri 1972: 411 ( Orius View in CoL , redescription, neotype designation, figures); Muraleedharan and Ananthakrishnan 1974: 38 ( Orius View in CoL , diagnosis, key, figures); Manley 1976: 103 ( Orius View in CoL , record, biology); Muraleedharan 1977: 234 ( Orius View in CoL , diagnosis, key); Zheng 1982: 193 ( Orius View in CoL , record, figure); Zhang and Lin 1985: 195 ( Orius View in CoL , diagnosis, note, figure); Kerzhner and Jansson 1985: 38 (note on type specimens); Woodward and Postle 1986: 247 ( Orius View in CoL , redescription, key, figures); Zheng and Bu 1990: 26 ( Orius View in CoL , list); Yasunaga 1993: 231 ( Orius (Paraorius) , figures); Cassis and Gross 1995: 34 ( Orius View in CoL , catalogue); Péricart 1996: 127 ( Orius (Paraorius) , catalogue); Yasunaga 1997c: 387 ( Orius (Paraorius) , record, diagnosis, key, figures); Hernández and Stonedahl 1999: 559 ( Orius (Dimorphella) , redescription, key, figures); Postle et al. 2001: 232 ( Orius View in CoL , key, figures); Bu and Zheng 2001: 207 ( Orius View in CoL , redescription, key, figures); Yasunaga 2001: 291 ( Orius (Dimorphella) , note, key, figures); Ghahari et al. 2009: 50 ( Orius (Dimorphella) , record, note); Aukema et al. 2013: 92 ( Orius (Paraorius) , note).
Triphleps australis China, 1926: 361 (syn. Woodward and Postle 1986: 247). Syntypes: ♀, Australia, Queensland (BMNH) [examined]; Gross 1954: 136 ( Orius View in CoL , diagnosis).
Orius niobe Herring, 1967: 399 (syn. Ghauri 1972: 411). Holotype: ♂, Guam Is., Yona ( U. S. National Museum of Natural History, Smithsonian Institution) [examined].
Specimens examined
Thailand: Nakhon Ratchasima: three ♂ (one in Figure 1D View Figure 1 ) four ♀, Sakaerat Silvicultural Research Station , 14°27 ′ 59.12 ″ N, 101°54 ′ 11.70 ″ E, 404 m alt GoogleMaps ., 24 March 2014, K. Yamada.
Saraburi: one ♂ ( Figures 5O View Figure 5 , 10C View Figure 10 ) one ♀, Kyusei Nature Farming Center, Champakpaew, Kaengkoi, 14°32 ʹ 75.8 ʺ N, 101°04 ʹ 71.5 ʺ E, 60 m alt ., 20 January 2009, K. Yamada ; seven ♂ (one in Figure 4E, F View Figure 4 ) 15 ♀ (one in Figure 20B View Figure 20 ), same locality, 22 January 2009, K . Yamada . Nakhon Nayok: four ♀, Sarika, 14°17 ʹ 20.8 ʺ – 21 ′ 16.9 ″ N, 101°16 ′ 22.41 ″ – 18 ʹ 07.7 ʺ E, 25 – 96 m alt ., 15 – 17 June 2009, T. Yasunaga ; four ♀, same locality, 16 – 17 June 2009, K . Yamada ; six ♂, 20 ♀ (one in Figures 4G, H View Figure 4 , 5P View Figure 5 ), same locality, 21 – 23 March 2010, K . Yamada ; two ♂, three ♀, same locality, 6 March 2009, T . Yasunaga ; one ♀, same locality, 20 March 2014, T . Yasunaga and K . Yamada . Suphan Buri: three ♂, two ♀, Sri Prachan, 14°41 ʹ 18.3 ʺ N, 100° 08 ʹ 25.8 ʺ E, 10 m alt GoogleMaps ., 21 October 2008, K. Yamada ; two ♂ (one in Figures 7B View Figure 7 , 8D – F View Figure 8 , 13B View Figure 13 , 18D – F View Figure 18 ), same locality, 25 October 2008, K GoogleMaps . Yamada . Kanchanaburi: five ♂, four ♀, 7 February 2009, T . Yasunaga . All in TKPM .
Additional specimens examined
Cambodia: Siem Reap: two ♂, two ♀, 31 . i . 2014, T. Yasunaga ( TKPM) .
Diagnosis
Recognised by the following characters: hemelytra semitransparent pale yellow ( Figure 4E, G View Figure 4 ); anterior area to median furrow in ostiolar peritreme very wide ( Figure 7B View Figure 7 ); male profemora with 2 – 4 small fuscous teeth on ventral side ( Figure 8F View Figure 8 ); cone acute at apex ( Figure 18D View Figure 18 ); flagellum with three branches ( Figure 18D – F View Figure 18 ); copulatory tube consisting of membranous apical section and cylindrical basal section ( Figure 20B View Figure 20 ).
Redescription
Colouration. Head black, tinged with orange brown at apex; eyes reddish brown, ocellus and its surrounding area red to reddish brown ( Figure 5O, P View Figure 5 ). Antennae pale yellow; segments III and IV with fuscous tinge ( Figure 5O, P View Figure 5 ). Labium blackish brown; apex of segment III and base of segment IV yellowish brown ( Figure 4F, H View Figure 4 ). Pronotum and scutellum uniformly black ( Figure 4E, G View Figure 4 ). Hemelytra semitransparent pale yellow; membrane semitransparent greyish brown ( Figure 4E, G View Figure 4 ). Legs uniformly pale yellow; coxae generally blackish brown ( Figure 4F, H View Figure 4 ). Venter of head and thorax blackish brown tinged with orange brown distally ( Figure 4F, H View Figure 4 ).
Structure. Body small, oblong oval ( Figure 4E, G View Figure 4 ). Head about 0.7 – 0.75 times as long as width across eyes, densely punctate with very short setae; ante-ocular portion about 0.7 times as long as length of eye in dorsal view; vertex about 2.2 times as wide as width of eye in dorsal view; eye oblong, about 1.6 times as long as eye width in dorsal view, proximate to anterior margin of pronotum; neck very shortened ( Figure 10C View Figure 10 ). Antennal segment I stout, slightly exceeding apex of head, sparsely covered with short suberect setae; segment II thickened, fusiform, 0.8 – 0.85 times as long as head width across eyes, densely covered with suberect setae which are shorter than half width of the segment; segments III and IV narrower than maximum width of segment II, densely covered with suberect setae which are shorter than width of respective segment; segment III 0.8 – 0.9 times as long as segment IV ( Figures 5O, P View Figure 5 , 10C View Figure 10 ). Labium reaching the procoxae, sparsely covered with short suberect setae. Anterior pronotal margin slightly concave, width about as wide as mesal length; lateral margin nearly straight; lateral carinae expanded at anterior two-thirds; posterior margin shallowly concave, width 2.2 – 2.4 times as wide as anterior pronotal width; callus weakly convex, scattered short setae and deep punctures, density of setae and punctures a little higher than that of O. maxidentex ( Figures 8D, E View Figure 8 , 10C View Figure 10 ). Maximum width of endocorium about twice as wide as embolium; cuneal margin about 0.57 times as long as embolial margin; membrane with two distinct veins near costal margin and at middle. Ostiolar peritreme wide; anterior area to median furrow in ostiolar peritreme smooth, very wide; posterior area to median furrow strongly squamous entirely, a little narrower than maximum width of anterior area to median furrow; evaporatorium narrow; supracoxal area smooth, without rugosity ( Figure 7B View Figure 7 ). Male trochanters with one small fuscous tooth on ventral side; male profemora with 2 – 4 small fuscous teeth on ventral side; male protibiae with a row of 21 – 22 small fuscous teeth on ventral side ( Figure 8F View Figure 8 ).
Male genitalia ( Figures 13B View Figure 13 , 18D–F View Figure 18 ). Pygophore globular shaped but somewhat dorsoventrally depressed, posteroventrally covered with seven long, stout setae which are much shorter than half length of pygophore ( Figure 13B View Figure 13 ); mediodorsal surface distributed with short, suberect setae; cone thin, acute at apex in dorsal view ( Figure 18D View Figure 18 ); flagellum with three branches: uppermost (outermost) branch slightly thickened apically in dorsal view and weakly sinuate in lateral view; middle branch longest, straight, exceeding the apex of cone; lowermost (innermost) branch slightly curved in lateral view ( Figure 18D – F View Figure 18 ).
Female genitalia ( Figure 20B View Figure 20 ). Copulatory tube fused on mesal part of intersegmental membrane between sterna VII and VIII, extremely remote from base of ovipositor, consisting of membranous apical section and cylindrical basal section: apical section slender, short, slightly curved; basal section weakly sclerotised, thickened.
Measurements (mm)
[♂ (n = 10)/ ♀ (n = 10)]. Body length 1.80 – 2.00/1.56 – 2.30; head length (excluding neck) 0.26 – 0.28/0.25 – 0.29; head width across eyes 0.35 – 0.36/0.35 – 0.40; vertex width 0.18 – 0.19/0.18 – 0.22; width between ocelli 0.15 – 0.16/0.16 – 0.18; lengths of antennal segments I – IV: I – 0.09 – 0.10/0.10 – 0.11, II – 0.22 – 0.24/0.19 – 0.23, III – 0.19 – 0.22/0.16 – 0.19, IV – 0.21 – 0.24/0.19 – 0.23; lengths of labial segments II – IV: II – 0.07 – 0.09/0.06 – 0.09, III – 0.24 – 0.26/ 0.25 – 0.28, IV – 0.14 – 0.18/0.14 – 0.17; anterior pronotal width 0.29 – 0.30/0.29 – 0.33; mesal pronotal length 0.28 – 0.29/0.29 – 0.33; basal pronotal width 0.65 – 0.68/0.67 – 0.78; length of embolial margin 0.56 – 0.60/0.58 – 0.69; length of cuneal margin 0.32 – 0.35/0.34 – 0.39; maximum width across hemelytra 0.70 – 0.73/0.73 – 0.81.
Distribution
Thailand (Chiang Mai, Nakhon Ratchasima, Saraburi, Nakhon Nayok, Suphan Buri, Kanchana Buri) ( Yasunaga and Miyamoto 1993; present study); Cambodia (present study; new record); Malaysia ( Manley 1976), India ( Ghauri 1972), Sri Lanka ( Distant 1906), Iran ( Ghahari et al. 2009), China ( Zheng 1982; Bu and Zheng 2001), Taiwan ( Yasunaga 1997c), Japan ( Yasunaga 1997c), Australia ( China 1926; Woodward and Postle 1986), Micronesia ( Herring 1967), Nigeria ( Hernández and Stonedahl 1999), Tanzania ( Hernández and Stonedahl 1999), Kenya ( Hernández and Stonedahl 1999).
Remarks
In general habitus, O. tantillus is similar to O. albidipennis ( Reuter, 1884) mainly known from the Atlantic zone of western Europe, middle East and sub-Saharan Africa, and O. naivashae ( Poppius, 1920) from Kenya, but is distinguished from them by the wider ostiolar peritreme, the uniformly pale yellow femora (in albidipennis , profemora yellow, meso- and metafemora brown or dark brown; in naivashae , each femur dark brown), and the paramere with three-branched flagellum (in albidipennis and naivashae , with roundly curved flagellum and distinct lamelliform process).
Habitat
Abundantly collected on Gramineae and Cyperaceae plants near and in rice paddy fields, grasslands and other cultivated areas.
Aukema B, Rabitsch W, Rieger CH. 2013. Catalogue of the Heteroptera of the Palaearctic Region. Vol. 6. Amsterdam: The Netherlands Entomological Society.
Bu WJ, Zheng LY. 2001. Hemiptera: lasiochilidae, Lyctocoridae, Anthocoridae. Fauna Sinica. Insecta. Vol. 24. Beijing: Science Press.
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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.
Kingdom |
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Phylum |
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Class |
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Order |
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Family |
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Genus |
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SubGenus |
Dimorphella |
Orius (Dimorphella) tantillus ( Motschulsky, 1863 )
Yamada, Kazutaka, Yasunaga, Tomohide & Artchawakom, Taksin 2015 |
Orius niobe
Ghauri MSK 1972: 411 |
Herring JL 1967: 399 |
Triphleps australis
Woodward TE & Postle AC 1986: 247 |
Gross GF 1954: 136 |
China WE 1926: 361 |
Anthocoris tantillus
Aukema B & Rabitsch W & Rieger CH 2013: 92 |
Ghahari H & Carpintero DL & Ostovan H 2009: 50 |
Postle AC & Steiner MY & Goodwin S 2001: 232 |
Bu WJ & Zheng LY 2001: 207 |
Yasunaga T 2001: 291 |
Hernandez LM & Stonedahl GM 1999: 559 |
Yasunaga T 1997: 387 |
Pericart J 1996: 127 |
Cassis G & Gross GF 1995: 34 |
Zheng LY & Bu WJ 1990: 26 |
Woodward TE & Postle AC 1986: 247 |
Zhang WQ & Lin SJ 1985: 195 |
Kerzhner IM & Jansson A 1985: 38 |
Zheng LY 1982: 193 |
Muraleedharan N 1977: 234 |
Manley GV 1976: 103 |
Muraleedharan N & Ananthakrishnan TN 1974: 38 |
Ghauri MSK 1972: 414 |
Ghauri MSK 1972: 411 |
Ghauri MSK 1964: 687 |
Poppius B 1909: 43 |
Distant WL 1906: 8 |
Distant WL 1904: 222 |
Motschulsky 1863: 89 |