Montandoniola bellatula Yamada
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publication ID |
https://doi.org/ 10.5281/zenodo.178743 |
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DOI |
https://doi.org/10.5281/zenodo.6238048 |
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persistent identifier |
https://treatment.plazi.org/id/6B7E007D-FFBB-F074-D8E8-FCF69E22BDEC |
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treatment provided by |
Plazi |
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scientific name |
Montandoniola bellatula Yamada |
| status |
sp. nov. |
Montandoniola bellatula Yamada , n. sp.
( Figs. 3, 4 View FIGURE 1 – 4 , 8–10 View FIGURE 5 – 10 , 12 View FIGURE 11, 12 , 17–20 View FIGURE 13 – 20 )
Diagnosis. Recognized by the following characters: Body ( Figs. 3, 4 View FIGURE 1 – 4 ) smaller and wider than its congeners. Antennal segment II about 0.6 times as long as head width across eyes. Hemelytra ( Figs. 3, 4 View FIGURE 1 – 4 ) mostly off– white; inner margin of clavi, base and apex of embolium, and cuneus black to brownish black; membrane semitransparent, with blackish patch on apical half. Pygophore ( Fig. 17 View FIGURE 13 – 20 ) swollen at left lateral margin; flagellum ( Figs. 18, 19 View FIGURE 13 – 20 ) apically curved. Copulatory tube ( Fig. 20 View FIGURE 13 – 20 ) noticeably long, straight.
Description. Coloration. Body ( Figs. 3, 4 View FIGURE 1 – 4 ) generally black, shiny on dorsal and ventral surfaces. Head, thorax, and abdomen uniformly black. Eyes and ocelli reddish black. Antenna ( Figs. 3, 4 View FIGURE 1 – 4 , 9, 10 View FIGURE 5 – 10 ) black to brownish black except for pale yellow segment III in female; segment IV reddish brown. Rostrum entirely black. Hemelytra ( Figs. 3, 4 View FIGURE 1 – 4 ) mostly off–white; inner margin of clavi, base and apex of embolium, and cuneus black to brownish black; membrane semitransparent, with blackish patch on apical half. Legs generally black; fore tibiae pale yellow except for fuscous at base; apex of tarsi and base of claws tinged with dark brown.
Structure. Body ( Figs. 3, 4 View FIGURE 1 – 4 ) oblong oval, smaller and wider than the other congeners. Head ( Figs. 3, 4 View FIGURE 1 – 4 , 8 View FIGURE 5 – 10 ) smooth on dorsal surface, slightly shorter than head width across eyes, sparsely covered with silky, short, recumbent setae; pairs of long, erect setae present on side of tylus, anterior part of inner margin of eye, and between eye and ocellus; anteocular portion about 1.2 times as long as length of eye in dorsal view; vertex approximately 2.3 times as wide as eye in dorsal view; postocular portion slightly constricted, shorter than that of M. ishikawai ; eyes poorly setose; ocelli small. Antennae ( Figs. 9, 10 View FIGURE 5 – 10 ) densely covered with short recumbent and long suberect setae; long suberect setae slightly longer than or as long as width of the segment; segment I just reaching apex of head; segment II clublike in male, about 0.6 times as long as head width across eyes; segment III about 0.8 times as long as segment II; segment IV weakly flattened, subequal to or slightly longer than segment III. Rostrum stout, nearly reaching fore coxae, with sparsely distributed, silky, short, erect setae; segment II thicker than the other segments; segment III longer than three times of segment II; segment IV approximately 0.8 times as long as segment III.
Pronotum ( Figs. 3, 4 View FIGURE 1 – 4 , 8 View FIGURE 5 – 10 ) wider trapezoidal, highly polished, impunctate, sparsely clothed with silky, short, recumbent setae, bearing four distinct corner setae and a pair of long erect setae at anterior angle of callus; anterior margin nearly straight, about 1.3 times as long as mesal length; lateral margin nearly straight and strongly carinate at anterior 2/3; posterior margin shallowly concave, twice as wide as anterior margin in male, about 2.2 times as wide as anterior margin in female; collar long, weakly rugose, with short setae; callus swollen; posterior half of pronotum weakly depressed, transversely rugose. Scutellum ( Figs. 3, 4 View FIGURE 1 – 4 ) almost smooth, extremely swollen on anterior half and depressed on posterior half, with a pair of long, erect setae on basal 1/4 of lateral margin. Hemelytra ( Figs. 3, 4 View FIGURE 1 – 4 ) subparallel-sided, impunctate, sparsely covered with silky, short, recumbent setae; apical part of corium twice as wide as that of embolium; cuneal margin 0.43 times as long as embolial margin; cuneus with short setae at apex. Ostiolar peritreme ( Fig. 12 View FIGURE 11, 12 ) accompanied with narrow, smooth, shining area anterior to gutter and broad a lutaceous area posterior to gutter; smooth shining area gradually acute toward anteriorly; evaporative area narrower than that of M. ishikawai . Legs densely covered with yellow, recumbent setae; hind tibiae weakly depressed. Abdomen covered with rows of short setae on ventral surface of each segment; seventh and eighth sterna laterally with pairs of long, suberect setae; scissure on abdominal tergite reaching end of posterior margin of third segment.
Male genitalia ( Figs. 17–19 View FIGURE 13 – 20 ): Pygophore ( Fig. 17 View FIGURE 13 – 20 ) swollen along left lateral margin in dorsal view, posteroventrally covered with 6–9 long and stout setae; cone narrower than that of M. ishikawai , tapering at apex, elevated at apex in lateral view; flagellum ( Figs. 18, 19 View FIGURE 13 – 20 ) apically curved, about 1.2 times as long as width of cone.
Female genitalia ( Fig. 20 View FIGURE 13 – 20 ): Copulatory tube ( Fig. 20 View FIGURE 13 – 20 ) mesally located at sternum VII, a little separated to base of ovipositor, noticeably long, slender, straight, accompanied with strongly sclerotized basal part leading into membranous and elongate apex.
Measurements [% (n=2) /Ψ (n=2)]. Body length 1.50–1.70/1.76–1.80; head length 0.26–0.29/0.31; head width across eyes 0.31/0.31–0.33; vertex width 0.16–0.18/0.19; width between ocelli 0.11–0.13/0.14; length of antennal segments I–IV: 0.08–0.09/0.10–0.11, 0.18–0.19/0.20, 0.15/0.16, 0.16–0.17/0.18; length of last three rostral segments II–IV: 0.06–0.07/0.09, 0.20/0.22, 0.15–0.16/0.17; anterior pronotal width 0.30–0.31/ 0.30–0.31; mesal pronotal length 0.23–0.25/0.26; basal pronotal width 0.60–0.63/0.68–0.69; length of embolial margin 0.53–0.54/0.63; length of cuneal margin 0.23–0.24/0.28; maximum width across hemelytra 0.63/ 0.67–0.70.
Holotype. % (with glass slide No. OPU–KY166 for genitalia), “ INDONESIA, Bali, Buleleng, Melanting, S08°10’56.7’’ E114°40’55.7’’, 150m alt., 17.viii.2006, T. Ishikawa leg.”.
Paratypes. INDONESIA: 1%, 2Ψ ( Figs. 4 View FIGURE 1 – 4 , 10 View FIGURE 5 – 10 , 12 View FIGURE 11, 12 , 20 View FIGURE 13 – 20 ), Bali, Buleleng, Melanting, S08°10’56.7’’ E114°40’55.7’’, 150m alt., 17.viii.2006, T. Ishikawa.
Distribution. Indonesia (Bali Island).
Etymology. From the Latin bellatulus (=pretty, beautiful), referring to the small beautiful body of this new species; an adjective.
Remarks. This new species differs from its congeners by the much smaller body ( Figs. 3, 4 View FIGURE 1 – 4 ); antennal segment II being about 0.6 times as long as head width across eyes ( Fig. 8 View FIGURE 5 – 10 ); the apically curved flagellum ( Figs. 18 View FIGURE 13 – 20 ); and the noticeably long, slender, and straight copulatory tube ( Fig. 20 View FIGURE 13 – 20 ). In having mostly off-white hemelytra, this new species is similar to M. sawtellense . However, it is easily distinguished from the latter by the fore tibiae being pale yellow except for fuscous at base (in M. sawtellense , uniformly dark brown); the flagellum not being bifurcated ( Figs. 18, 19 View FIGURE 13 – 20 ) (vs. bifurcated); and the noticeably long, slender, and straight copulatory tube ( Fig. 20 View FIGURE 13 – 20 ) (vs. longer, slightly convoluted).
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.