Curculionoidea (weevils) of New Caledonia and Vanuatu: Basal families and some Curculionidae
Author
Kuschel, Guillermo
John T. Huber
text
Mémoires du Muséum national d'Histoire naturelle
2008
197
99
250
journal article
978-2-85653-605-6
1243-4442
Pseudomelactus grevilleae
n. sp.
Fig. 11
DESCRIPTION. — Black or dark reddish brown. Vestiture consisting of a dense coat of oval, grey or slightly pinkish scales, in male brownish on elytral dorsum, usually with some white scales around strial puncta; in female rather uniformly grey; underside in either sex chalky white throughout, scales covering entirely also last three ventrites. Setae short, recumbent.
Rostrum usually with a smooth, shiny, sometimes slightly raised midline, this not extending to epistome; epistome somewhat raised in relation to surroundings, densely, finely punctate except for coarse vibrissae-bearing puncta. Antennite 2 of funicle shorter than 1. Prothorax lacking granules, occasionally with traces of some; basal rim of pronotum interrupted in front of scutellum. Elytra in male not costate on interstria 7, and at apex with very small, non-contiguous spines; elytra in female distinctly costate on interstria 7, and at apex with fine, long, contiguous spines. Fore tibiae finely asperous on lower edge, not denticulate; tarsite 2 of front leg not or hardly as wide as long.
Length:
5.3-8.5 mm
.
TYPE MATERIAL
. —
Holotype
female, 8.0 x
3.3 mm
,
6 km
N of
Païta
,
25.I.1963
,
on
Grevillea
, G. Kuschel, NZAC.
16 paratypes
with
BPBM
,
IRSN
,
NZAC
.
MATERIAL EXAMINED
. —
New Caledonia
. 1 pair, Humboldt- pair,
Mt. Mou
,
250 m
,
3.II.1963
,
on
Proteaceae, G. Kuschel
; 1
Kalouchola River
junction,
100 m
,
14.XII.1963
,
R
.
Straatman
; pair,
6 km
N of Païta
,
25.I.1963
,
on
Grevillea
, G. Kuschel
; 1 pair,
1 male
,
4 females
,
3 km
E of La Coulée
,
23.I.1963
,
on
Grevillea
,
10 km
NW of Plum
,
50-100 m
,
24.III.1968
,
J. L. Gressitt
; 1 pair,
G. Kuschel
;
1 female
,
Mt. Do
,
1000 m
,
22.X.1978
,
J. C. Watt
; 1
Thio
,
III.1959
,
N Krauss
;
1 male
,
NE of Yambi
,
12-15.X.1967
, J. pair,
Mt. Koghi
,
500-800 m
,
23-27.X.1967
,
J. & M. Sedlacek
; 1
Sedlacek.
19 specimens
.
HOSTPLANTS. —
Grevillea
(Proteaceae)
.
ETYMOLOGY. — The specific name ‘grevílleae’ is the genitive form of the host
Grevillea
,
a genus of
Proteaceae
represented by more than a dozen species in
New Caledonia
.
REMARKS. —
P. grevilleae
and
P. acutus
specimens were beaten off foliage of the genus
Grevillea
near La Coulée and Païta.