Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae)
Author
Stehlík, Jaroslav L.
Department of Entomology, Moravian Museum, Hviezdoslavova 29 a, CZ- 627 00 Brno – Slatina, Czech Republic
text
Acta Entomologica Musei Nationalis Pragae
2013
2013-11-15
53
2
505
584
journal article
2413
10.5281/zenodo.5739959
956fa4e4-8b18-4c70-94b2-5722d5348180
0374-1036
5739959
8D64B275-C6AF-411E-B79D-A3EBEB3D093FD
Physopelta
(
Neophysopelta
)
dembickyi
sp. nov.
(
Figs 35–37
)
Type
locality.
Vietnam
,
Vinh Phuc Province
, Tam Dao National Park (
21°31′N
105°33′E
).
Type material.
HOLOTYPE
:
♂
,
VIETNAM
:
VINH PHUC PROVINCE
:
‘Coll. I. R. Sc. B. / Vietnam, Tam Dao N.P. /
21°31′N
105°33′E
,
25.- /
30.vii.2011
,
light trap
/ leg.
J. Constant & J. / Bresseel
, I.G.31.933’ [p, yellow label] // ‘♂’ [p, small white label] // ‘Holo- / typus’ [p, red label with black frame submarginally] // ‘
Physopelta
/ dembickyi / sp. n. [hw, underlined] / det. J.L.Stehlík [p] 2012 [hw]’ [red label with black frame]. Holotype is glued on white card, complete (
IRSB
).
PARATYPES
:
VIETNAM
:
VINH
PHUC PROVINCE:
1 ♀
, the same data as holotype (
IRSB
)
;
VIETNAM: THUA THIEN PROVINCE:
1 ♂, ‘C.
Vietnam
,
Bach Ma N.P.
,
16°12′N
107°52′E
, day coll.,
12–17.vii.2011
,
J. Constant
&
J. Basseel
, I.G. 31.933’ (
IRSB
)
.
THAILAND
:
CHIANG
MAI PROVINCE:
2 ♀♀
, ‘Thailand,
Chiang Mai Prov.
/
Doi Chiang Dao
env.,
1,200±50 m
/
19°24′45″N
98°51′30″ E
/
L. Dembický
leg.,
9.-13.v.2009
/ TH 3/2009 MZM EXPEDITION’ [p, white label] (
MMBC
)
.
Figs 35–37.
Physopelta
(
Neophysopelta
)
dembickyi
sp. nov.
35 – male, holotype; 36–37 – female, paratype.(Photos: L. Dembický).
Description.
Colouration
(
Figs 35–37
). The following body parts are black: antennae (except ca. basal third of antennomere 4), a large spot on vertex reaching up to basal 2/3 of clypeus, pronotum (except anterior, posterior, and lateral margins including margins of callar and pronotal lobes), scutellum, a large round central spot on corium, a large triangular spot on apex of corium, membrane, labium, pleura, profemora dorsally, entire meso- and metafemora, all tibiae and tarsomeres, and crescent-shaped spots on bases of abdominal sternites. Head (except spot on vertex) red. Antennomere 4 basally whitish. Anterior, posterior, and lateral margins of pronotum (including margins of callar and pronotal lobe), pronotal epipleuron, posterior pleural flanges I–III reddish. Costal margin and surface of corium between central and apical spot whitish-orange. Clavus and base of corium anteriad of central spot darkened. Posterior margin of membrane whitish. Abdominal sternites pale orange. Black crescent-shaped lateral spots on bases of abdominal sternites as follows: on sternite II narrow and long, on sternites III–VI shorter, medially rather wide, on sternite V surpassing narrowly on posterior margin of sternite IV, on sternite VII only an indistinct spot (see
Fig. 37
).
Pilosity.
Pronotum, thoracic pleura, clavus, and corium covered with silvery pubescence, so dense on pleura that they appear grey. Scutellum posteriorly with black erect hairs.
Punctation.
Posterior pronotal lobe, scutellum, clavus, and corium with small, dense punctures, obsolete in posterior portion of corium.
Structure.
Body elongate, parallel-sided. Callar lobe distinctly gibbose in male, slightly gibbose in female. Labium reaching between metacoxae. Profemora apically on ventral surface with two remote teeth and row of small denticles. Mesofemora on ventral surface with small denticles in male, unarmed in female. Metafemora without denticles.
Measurements
(in mm). Males (
holotype
/
paratype
). Body length: 12.69 / 14.53; head: width (including eyes) 1.94 / 2.00, interocular width 1.08 / 1.13; lengths of antennomeres: 1 – 2.05 / 2.05, 2 – 2.21 / 2.37, 3 – 1.51 / 1.57, 4 – 2.97 / absent; pronotum: length 2.67 / 2.81, width 3.56 / 3.73; scutellum: length 1.89 / 1.94, width 2.00 / 1.67; corium: length 6.64 / 6.26, width 1.78 / 2.00.
Females (n = 3). Body length: 12.51 (12.26–12.96); head: width (including eyes) 2.02 (1.97–2.05), interocular width 1.15 (1.08–1.24); lengths of antennomeres: 1 – 1.91 (1.89– 1.94), 2 – 2.20 (2.11–2.27), 3 – 1.46 (1.40–1.51), 4 – 2.40 (2.38–2.43); pronotum: length 2.49 (2.38–2.54), width 3.65 (3.56–3.78); scutellum: length 1.82 (1.78–1.89), width 1.98 (1.94–2.05); corium: length 6.99 (6.43–7.39), width 2.02 (2.00–2.05).
Differential diagnosis.
The general habitus of
Ph. dembickyi
sp. nov.
is very similar to that of
Ph. gutta gutta
, but the new species is smaller and more slender. For comparison, measurements of males and females of
Ph. gutta gutta
are given (in mm):
Males (n = 5). Body length: 14.18 (12.42–16.63); width (including eyes) 2.15 (2.00–2.32), interocular width 1.18 (1.08–1.30); lengths of antennomeres: 1 – 2.56 (2.27–2.97), 2 – 2.75 (2.43–4.10), 3 – 1.72 (1.54–1.94), 4 – 2.95 (2.70–3.24); pronotum: length 3.26 (2.43–4.10), width 4.35 (3.78–5.05); scutellum: length 2.12 (1.84–2.48); width 2.37 (2.11–2.17); corium: length 7.79 (6.97–9.13), width 2.25 (1.94–2.59).
Females (n = 5). Body length: 14.40 (12.80–15.01); width (including eyes) 2.21 (2.16–2.32), interocular width 1.24 (1.19–1.35); lengths of antennomeres: 1 – 2.21 (2.00–2.38), 2 – 2.56 (2.38–2.70), 3 – 1.49 (1.21–1.73), 4 – 2.86 (2.70–3.13); pronotum: length 2.81 (2.38–3.08), width 4.40 (3.94–4.81); scutellum: length 2.00 (1.89–2.11); width 2.30 (2.16–2.43); corium: length 7.66 (6.86–8.45), width 2.27 (2.05–2.48).
The new species also resembles
Ph. cincticollis
, although the body of
Ph. cincticollis
is shorter and wider; both species are easily distinguished by the colouration of the abdominal sternites, which are black in
Ph. cincticollis
, and pale orange with black crescent-shaped spots laterally in
Ph. dembickyi
sp. nov.
Also,
Ph. indra
resembles the new species by its size and similar colouration of abdominal sternites, but it differs by its pale scutellum (not black), smaller central black spot on the corium, base of the corium anteriad of the central spot not darkened, and having all femora orange.
Etymology.
The new species is dedicated to one of its collectors, Luboš Dembický (Moravian Museum, Brno), an excellent collector and discoverer of numerous undescribed
Oriental
insects.
Bionomics.
The
type
specimens were collected in a primary forest, specifically a subtropical moist evergreen low mountain forest in Tam Dao National Park and moist evergreen tropical forest in Bach Ma National Park (J. Constant, pers. comm). Some of the specimens were collected at light.
Distribution.
Northern
Thailand
, northern and central
Vietnam
(this paper).