Trigonopterus hypocrita
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus hypocrita Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 29a). Length 2.63 mm. Color of antennae and tarsi ferruginous; remainder black. Body subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum dorsally with median and pair of submedian costae widening towards forehead; intervening furrows with sparse rows of thin setae; epistome posteriorly with transverse, angulate ridge. Pronotum with disk densely punctate; interspaces between punctures subglabrous, laterally subequal to punctures´ diameter; dorsally punctures denser, interspaces reticulate; median line impunctate. Elytra with striae marked by dense rows of minute punctures; along humerus with confused, coarse punctures; intervals subglabrous, with interspersed rows of punctures. Femora edentate; anterior surface coarsely punctate, each puncture with recumbent seta; anteroventral ridge crenate. Metafemur with dorsoposterior edge denticulate; subapically with stridulatory patch. Mesotibia with enlarged, curved uncus. Abdominal ventrite 1 concave; ventrite 2 flat, subglabrous; ventrite 5 with large, deep concavity, punctate, microreticulate, anteriorly with dense erect scales. Penis (Fig. 29b) with sides weakly diverging to apical 1/3, markedly converging to subtruncate apex; body with pair of overlapping crescent-shaped sclerites; apodemes 2.7 × as long as body of penis; transfer apparatus small, directed ventrad; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.58–2.63 mm.
Material examined
Holotype (MZB): ARC3123 (GenBank # MK260312), C-Sulawesi Prov., Pendolo, Gn. Sampuraga, 02°15.407'S 120°47.051'E, 1406 m, beaten, 16-V-2013. Paratypes (SMNK): C-Sulawesi Prov: 1 ex, ARC2866 (GenBank # MK260311), Pendolo, Gn. Sampuraga, 02°15.407'S 120°47.051'E, 1406 m, beaten, 31-V-2012.
Distribution
C-Sulawesi Prov. (Pendolo). Elevation ca. 1400 m.
Biology
On foliage in montane forests.
Etymology
This epithet is the Latin noun hypocrita (mime) and refers to its superficial resemblance to other species.
Notes
Trigonopterus hypocrita Riedel, sp. n. was coded as “Trigonopterus sp. 402”.
Original Description
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi
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