A revision of Cissidium Motschulsky (Coleoptera: Ptiliidae) with seventy seven new species
Author
Darby, Michael
text
European Journal of Taxonomy
2020
2020-04-02
622
1
188
journal article
22458
10.5852/ejt.2020.622
9cb3ea96-0ee4-40b4-8006-19b5fed80b46
3777282
9CD3B2CD-F072-4994-8CA9-24145D343401
Cissidium banari
Darby, 2013
Fig. 16
Material examined
Holotype
MADAGASCAR
•
♂
; Ambohitantely Spec. Res.;
18°11′52.7″ S
,
47°17′0.4″ E
;
ABT
/
Nov 2011
/01;
1603 m
a.s.l.
;
forest litter under big
Pandanus
; sifting;
Winkler app. extr.
;
16 Nov. 2011
;
L.S. Rahanitriniaina
and
P. Baňař
leg.;
BMNH
.
Supplementary description
The following description amplifies the
type
description of
Darby (
2013
)
, in particular by adding more details of the meso- and metaventral characters in order to conform with the requirements of the present paper.
SIZE
. Habitus (
Fig. 16
A
), length
0.79 mm
.
Fig. 16.
Cissidium banari
Darby, 2013
.
A
. Habitus.
B
. Pronotum, × 540.
C
. Mesoventrite showing median process of collar, mid-keel and keel, × 680.
COLOUR. Yellow brown, very shining, antennae and legs dusky yellow.
HEAD
. With a shallow median fovea between the eyes, antennomeres III–XI length
0.39 mm
, III–IX
0.20 mm
, X–XI
0.19 mm
.
PRONOTUM. Length
0.18 mm
, width
0.26 mm
, with two foveae on each side tending to form a single fovea of distorted shape; lateral margins sharply angled, parallel before hind angles which are slightly acute, narrowly bordered, the border not continuing along the posterior margin, the emargination in front of the scutellum sinuous (
Fig. 16
B
).
ELYTRA.
0.52–54 mm
long,
0.37–0.40 mm
wide, sparsely and shallowly foveolate particularly along sides of the scutellum and suture, tapering strongly to apex.
MESOVENTRITE. Mid-keel very short, anteriorly with two rounded corners either side of the median process of the collar, posteriorly with two pointed corners not reaching the mesocoxae, strongly raised to point before meeting keel, keel parallel-sided terminating in a rounded end between the mesocoxae; humeri with small teeth and hind margin sloping posteriad (
Fig. 16
C
).
METAVENTRITE. Glabrous, disc simple, posterior margins of mesocoxae with slight serrations near interruption in borders.
WINGS
. Male macropterous, female micropterous/apterous.
GENITALIA. Male aedeagus as
Fig. 6
Fa–b. Female spermatheca globular.
Remarks
Distinguished from
C. bifoveolatum
sp. nov.
the only other Madagascan species with a pubescent pronotum by its larger size, much sparser and shorter pronotal pubescence and pronotum with angular lateral margins.