An account of the mealybug genus Paraputo Laing (Hemiptera: Coccoidea: Pseudococcidae) in the Pacific region
Author
Williams, D. J.
text
Journal of Natural History
2005
2005-11-25
39
37
3343
3358
http://dx.doi.org/10.1080/00222930500393210
journal article
10.1080/00222930500393210
1464-5262
5220437
7C1E9F13-FC4F-4977-AB93-A9BCBF87D000
Paraputo chimbuensis
sp. nov.
(
Figure 2
)
Description
Appearance in life not recorded. Body of adult female on microscope slide, broadly oval, almost circular;
2.8 mm
long,
2.5 mm
wide. Anal lobes moderately developed, ventral surface of each lobe with an apical seta 185–190 Mm long and a triangular sclerotized area occupying most of lobe. Antennae each 500–510 Mm long, with eight segments. Legs well developed; hind trochanter+femur 390–400 Mm long, hind tibia+tarsus 370–380 Mm long; claw stout, 50–55 Mm long. Ratio of lengths of hind tibia+tarsus to hind trochanter+femur 0.94–0.95. Ratio of lengths of hind tibia to tarsus 1.84–1.92. Translucent pores absent from hind coxa, present on posterior surfaces of hind femur and hind tibia. Labium 260– 270 Mm long, slightly longer than clypeolabral shield. Circulus about 120 Mm long, 190– 200 Mm wide, distinctly divided by intersegmental line. Ostioles present, well developed, inner edges of lips sclerotized, each lip with concentrations of setae and trilocular pores. Anal ring 90–95 Mm in diameter, bearing 26–30 setae, six setae situated in normal positions, each about 85 Mm long, others 60–65 Mm long. Cerarii probably numbering 18 pairs. Anal lobe cerarii each with about nine conical setae of different sizes, largest each about 30 Mm long, 6.25 Mm wide at base, with a concentration of trilocular pores, on a membranous area. Anterior cerarii similar but each cerarius with anterior and posterior groups of conical setae and trilocular pores so that cerarii appear as a continuous row.
Figure 2.
Paraputo chimbuensis
sp. nov.
, adult female.
Dorsal surface with numerous flagellate setae present, mostly 30–60 Mm long, except for long setae 50–75 Mm long, concentrated medially on abdominal segment VIII and straddling anal ring. Multilocular disc pores absent. Trilocular pores abundant, evenly dispersed. Discoidal pores, each smaller than a trilocular pore and with a thick sclerotized rim, scattered.
Ventral surface with slender flagellate setae. Multilocular disc pores, each about 7.5 Mm in diameter, present medially posterior to vulva and on abdominal segments
VI
and
VII
. Trilocular pores evenly distributed, not as numerous as those on dorsum. Discoidal pores same as on dorsum, scattered. Oral collar tubular ducts present, of two sizes. A small
type
of duct, narrower than a trilocular pore and about as long as diameter of a multilocular disc pore, situated across medial areas of abdominal segments
IV
and
V
and submedially on abdominal segment
VI
, a group also present posterior to vulva between anal lobes, and one or two present on abdominal segment III. A larger
type
of duct, about as wide as a trilocular pore, present in small marginal groups on abdominal segments and extending anteriorly around body margins to area between antennae
.
Material examined
Holotype
: adult
♀
,
Papua New Guinea
,
Chimbu Province
, Karimui, on rhizomes and inside stems of
Elettaria cardamomum
(cardamon) (
Zingiberaceae
),
22 October 1982
(coll. B. M. Thistleton) (BMNH).
Paratype
:
Papua New Guinea
, same data as
holotype
,
one adult
♀
(the left specimen on the same slide as the
holotype
and clearly marked and mapped on the right label) (BMNH).
Etymology
The name is based on the locality ‘‘Chimbu’’ with the Latin suffix ‘‘-
ensis
’’ indicating origin.
Comments
In possessing 18 pairs of cerarii but the cerarii appearing as a continuous row with the addition of anterior and posterior groups of conical setae and trilocular pores to each cerarius, and in possessing short dorsal setae,
P. chimbuensis
is related to
P. danzigae
Williams
described from Sabah.
P. chimbuensis
differs from
P. danzigae
in possessing ventral oral collar tubular ducts around the entire margin but in
P. danzigae
, there are groups of oral collar tubular ducts on the posterior abdominal segments only. Moreover, there are numerous translucent pores on the hind coxae in
P. danzigae
and they are lacking on the hind femora and tibiae. In
P. chimbuensis
, they are absent on the hind coxae and are present on the hind femora and tibiae. In the key to species of
Paraputo
of southern Asia presented by
Williams (2004)
,
P. chimbuensis
keys to
P. glycosmis
Williams
but the cerarii of
P. glycosmis
are distinct and do not appear as a continuous row. Also there are noticeable long dorsal setae, many 200 Mm long, in
P. glycosmis
, whereas in
P. chimbuensis
they are mostly only 30–60 Mm long.