Trigonopterus ptolycoides
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus ptolycoides Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 66a). Length 4.28 mm. Color ferruginous, elytral disk with some irregular darker spots; integument partly covered with yellowish-brownish tomentum. Body dorsally flattened, with irregular lateral ridge; with constrictions at middle of pronotum, between pronotum and elytron, and in basal third of elytron. Rostrum in basal half with distinct median ridge and pair of submedian ridges; basally above eyes with pair of protrusions; apical ¼ subglabrous, punctulate. Pronotum with subapical constriction; with marked lateral flanges; coarsely rugose-punctate; punctures containing each one upcurved scale and much finer tomentum. Elytra with distinct striae; intervals with irregular tomentose tubercles; with marked lateral flanges; base bisinuate; apex extended ventrad, slightly beak-shaped. Femora narrow, parallel-sided, edentate. Meso- and metafemur dorsally with fringe of erect scales; metafemur subapically with stridulatory patch. Meso- and metatibia tapering from base to apex. Tarsi asymmetrical; tarsomere 3 with anterior lobe much larger than posterior lobe. Abdominal ventrite 5 apically deeply emarginate. Aedeagus (Fig. 66b) with body flattened, sides subparallel, apex pointed; transfer-apparatus short, spiniform; ductus ejaculatorius without bulbus. Intraspecific variation. Length 3.92–4.28 mm. Female abdominal ventrite 5 apically rounded.
Material examined
Holotype (SMNK): ARC1415 (EMBL # HE615964), PAPUA NEW GUINEA, Eastern Highlands Prov., 37 km S Goroka, Hogave vill., Mt. Michael, S06°22.798', E145°15.427' to S06°22.925', E145°16.645', 2179–2800 m, 09-15-VII-2009, sifted. Paratypes (NAIC, SMNK, ZSM): 6 exx, ARC1416 (EMBL # HE615965), ARC1417 (EMBL # HE615966), same data as holotype.
Distribution
Eastern Highlands Prov. (Mt. Michael). Elevation: ca. 2179–2800 m.
Biology
Sifted from leaf litter in primary forest.
Etymology
This epithet is a combination of the genus name Ptolycus and the Latin suffix -oides (having the form of) and refers to the species´ resemblance in habitus.
Notes
Trigonopterus ptolycoides Riedel, sp. n. was coded as “Trigonopterus sp. 68” by Tänzler et al. (2012)[1].
Original Description
- Riedel, A; Sagata, K; Surbakti, S; Rene Tänzler, ; Michael Balke, ; 2013: One hundred and one new species of Trigonopterus weevils from New Guinea ZooKeys, 280: 1-150. doi
Other References
- ↑ Tänzler R, Sagata K, Surbakti S, Balke M, Riedel A (2012) DNA barcoding for community ecology - how to tackle a hyperdiverse, mostly undescribed Melanesian fauna. PLoS ONE 7 (1): e28832. doi: 10.1371/journal.pone.0028832
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