One hundred and one new species of Trigonopterus weevils from New Guinea
Author
Riedel, Alexander
Author
Sagata, Katayo
Author
Surbakti, Suriani
Author
Rene Taenzler,
Author
Michael Balke,
text
ZooKeys
2013
280
1
150
http://dx.doi.org/10.3897/zookeys.280.3906
journal article
http://dx.doi.org/10.3897/zookeys.280.3906
1313-2970-280-1
81.
Trigonopterus squamirostris Riedel
sp. n.
Diagnostic description.
Holotype, male (Fig. 81a). Length 1.70 mm. Color black; tarsi and elytra dark ferruginous, antenna light ferruginous. Body subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Eyes large. Rostrum punctate, surface microreticulate, densely squamose with cream-colored almond-shaped scales, without distinct furrows or ridges. Pronotum densely punctate; anterolaterally with scattered cream-colored scales. Elytra with striae distinct; intervals flat, subglabrous; stria 3 near base and apex with few scales. Femora edentate, dorsally with few scattered scales. Metafemur subapically with stridulatory patch. Metatibia simple; uncus hook-like extended, curved ventroposteriad. Aedeagus (Fig. 81b) with apodemes 2.0 X as long as body; sides of body weakly bisinuate; apex extended, pointed, markedly curved ventrad; transfer apparatus small, symmetrical; ductus ejaculatorius basally swollen, without bulbus. Intraspecific variation. Length 1.38-1.88 mm. Color of elytra ferruginous or black. Female rostrum dorsally subglabrous, submedially with row of punctures, sublateral furrow containing sparse row of setae. Female metatibia with uncus simple, not hook-like.
Material examined.
Holotype (SMNK): ARC1119 (EMBL # HE615748), PAPUA NEW GUINEA, Simbu Prov., Karimui Dist., Haia, Supa,
S06°40.078'
,
E145°03.207'
to
S06°39.609'
,
E145°03.012'
, 1220-1450 m, 02-X-2009. Paratypes (NAIC, SMNK, ZSM): Simbu Prov., Karimui Dist., Haia: 1 ex, ARC1104 (EMBL # HE615733),
S06°41.018'
,
E145°00.995'
,1090 m, 04-X-2009, sifted; 28 exx, ARC1113 (EMBL # HE615742), ARC1114 (EMBL # HE615743), ARC1118 (EMBL # HE615747), ARC1120 (EMBL # HE615749), ARC1121 (EMBL # HE615750), same data as holotype; 1 ex, Haia,
S06°41.259'
,
E145°00.822'
to
S06°41.102'
,
E145°00.979'
, 900-1005 m, 27-IX-2009; 3 exx, Haia,
S06°41.216'
,
E145°00.945'
to
S06°40.976'
,
E145°00.979'
, 970-1135 m, 04-X-2009, beaten; 3 exx, Haia, Supa station,
S06°40.047'
,
E145°03.464'
to
S06°39.815'
,
E145°03.169'
, 1075-1240m, 30-IX-2009, beaten; 1 ex, Haia, Supa station,
S06°40.047'
,
E145°03.464'
to
S06°39.905'
,
E145°03.880'
, 1075-1220 m, 01-X-2009, beaten; 1 ex, Haia, Supa station,
S06°39.905'
,
E145°03.880'
to
S06°39.796'
,
E145°03.873'
, 1220-1320 m, 01-X-2009, beaten; 3 exx, Haia, Supa station,
S06°40.047'
,
E145°03.464'
to
S06°40.078'
,
E145°03.207'
, 1075-1220 m, 02-X-2009, beaten.
Distribution
.
Simbu Prov. (Haia). Elevation: 1005-1220 m.
Biology.
Mostly collected by beating foliage in montane forest.
Etymology.
This epithet is based on a combination of the Latin nouns squama (scale) and rostrum (snout) and refers to the clothed rostrum of the males.
Notes.
Trigonopterus squamirostris
Riedel, sp. n. was coded as "
Trigonopterus
sp. 225" by
Taenzler
et al. (2012)
.