Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands
Author
Riedel, Alexander
Author
Taenzler, Rene
Author
Balke, Michael
Author
Rahmadi, Cahyo
Author
Suhardjono, Yayuk R.
text
ZooKeys
2014
467
1
162
http://dx.doi.org/10.3897/zookeys.467.8206
journal article
http://dx.doi.org/10.3897/zookeys.467.8206
1313-2970-467-1
319040F01D0F495092BFA2FF705517AF
319040F01D0F495092BFA2FF705517AF
Taxon classification Animalia Coleoptera Curculionidae
6.
Trigonopterus angulicollis Riedel
sp. n.
Diagnostic description.
Holotype, male (Fig. 6a). Length 2.58 mm. Color of head and legs ferruginous, remainder black. Body subhexagonal; in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum with median ridge and pair of submedian ridges, intervening furrows punctate; punctures each with long erect scale; epistome with transverse, angulate ridge forming median denticle. Pronotum anterolaterally angularly projecting; with distinct subapical constriction; disk rugose-punctate, punctures each with slender suberect to subrecumbent scale; with median ridge. Elytra with striae deeply impressed, each with row of stout suberect bristles; intervals costate to carinate, almost nude; interval 3 most prominent; interval 7 swollen subapically, laterally projecting. Femora edentate. Metafemur subapically with stridulatory patch and transverse rows of denticles. Abdominal ventrite 5 swollen, at middle with shallow impression, sparsely setose. Penis (Fig. 6b) with sides of body subparallel, apex medially pointed; endophallic sclerites asymmetrical; transfer apparatus flagelliform, ca. 2
x
as long as body; apodemes 2.0
x
as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.45-2.58 mm. Female rostrum dorsally with pairs of lateral and submedian furrows; epistome simple. Female abdominal ventrite 5 flat, with median tooth markedly projecting from profile.
Material examined.
Holotype (MZB): ARC2654 (EMBL # LM655912), West Java Prov., Sukabumi, Mt. Gede, Cisaat, Situ Gunung, sample 1,
S06°49.377'
,
E106°55.729'
, 1281 m, 15-IV-2012. Paratypes (MZB, SMNK): W-Java Prov., Su
kabumi
, Mt. Gede, Cisaat, Situ Gunung: 3 exx ARC2655 (EMBL # LM655913), same data as holotype; 2 exx, ARC2658 (EMBL # LM655916), ARC2659 (EMBL # LM655917), sample 2,
S06°49.038'
,
E106°55.852'
, 1342 m, 15-IV-2012.
Distribution.
W-Java Prov. (Mt. Gede). Elevation: 1281-1342 m.
Etymology.
This epithet is a combination of the Latin adjective angularis (angular) and the noun collum (neck, pronotum).
Notes.
Trigonopterus angulicollis
Riedel, sp. n. was coded as "
Trigonopterus
sp. 314" by
Taenzler
et al. (2014)
.