First record and a new species of Neolygus Knight (Heteroptera: Miridae: Mirinae) from Nepal, with a checklist of Old World species of Neolygus
Author
Yasunaga, Tomohide
Author
Duwal, Ram Keshari
Author
Schwartz, Michael D.
text
Zootaxa
2012
3413
44
54
journal article
44578
10.5281/zenodo.281922
3ba60c3b-cc28-4870-bfdd-58e26ec39f70
1175-5326
281922
Neolygus bui
Lu & Zheng
(
Fig.1
A −C,
Figs. 2−4
)
Neolygus bui
Lu & Zheng, 2004
: 387
, 739 (n. sp.).
Diagnosis.
Readily recognized by the comparatively small size; yellowish-brown to pale castaneous basic coloration; dark mid-ventral stripe on antennal segment I (
Fig. 2
); variable dark maculae or stripes on mesoscutum, scutellum, corium and clavus (
Fig. 1
A–C); always darkened apex of cuneus; widely darkened apical half of metafemur (its darkened part often reducing to ring-like bands in Ƥ as in
Fig. 1
C); and widely castaneous abdomen. The dorsal surface is more or less tinged with olive when alive.
Male genitalia
(
Figs. 3
,
4
): Left paramere sensory lobe expanded apically, with a conical protuberance; right paramere with hooked, sharply pointed hypophysis (
Fig. 3
). Endosoma with C-shaped spiculum and narrow ventral sclerite (
Fig. 4
).
Female genitalia
: Not examined; most available female specimens are teneral.
Measurements.
3/ Ƥ: Total body length 4.2–5.4/ 4.3–4.9; head width across eyes 0.88–1.12/ 0.94–0.95; vertex width 0.22–0.29/ 0.32–0.35; lengths of antennal segments I–IV 0.43–0.48, 1.44–1.68, 0.70–0.86, 0.51–0.55/ 0.42–0.46, 1.36–1.41, 0.70–0.76, 0.51–0.53; labial length 1.46–1.52/ 1.50–1.52; basal pronotal width 1.44–1.71/ 1.66–1.70; width across hemelytra 1.67–2.00/ 1.88–1.98; lengths of metafemur, tibia, and tarsus 1.52–1.71, 2.28–2.53, 0.57–0.63/ 1.61–1.64, 2.28–2.40, 0.53–0.57.
Distribution.
China
(Shaanxi and Sichuan Provinces.), N.
India
,
Nepal
(from subboreal deciduous forests to warm temperate zone),
Taiwan
.
Biology.
Collected mainly from inflorescences of
Citrus
sp. (
Rutaceae
),
Quercus
spp. (
Fagaceae
), and some unidentified broadleaves; however, immature forms are yet to be confirmed from these plants. The adults are occasionally attracted to light. A bivoltine life cycle is assumed for this mirid.
Specimens examined.
CHINA
: Shaanxi Prov.:
holotype
3, Ningshan Country,
1,600m
,
16 Aug 1994
, W. Bu (Nankai University, Tianjing,
China
) [image examined].
NEPAL
: Kathmandu Valley:
13, Samakhusi, Gongabu, 27˚43'59"N, 85˚18’49”E,
1,300 m
, light trap,
30 May 2005
, T. Yasunaga (00379482) (TYCN); 13, Kirtipur, Horticulture Center Experimental Farm,
27°40'22"N
,
85°17'11"E
,
1,300 m
, on
Citrus
flowers,
27 Mar 2006
, T. Yasunaga (00379483) (TYCN); 2Ƥ, Mt. Nagarjun
1,600–1,800 m
,
27°44'N
,
85°16'E
, on
Quercus
sp.,
16 May 2005
, T. Yasunaga (00379484, 003794835) (TYCN).
Kasuki Dist.:
231Ƥ, Phedi, Ghatte Kola (River),
28°17'N
,
83°52'E
,
1,450 m
,
9 Mar 2007
, T. Yasunaga & R. Duwal (00379486-00379488) (TYCN).
Parbat Dist.:
13, Kiumrung- Ghandrung,
1,800–2,100 m
,
22 Oct 1981
, M. Tomokuni (00379489) (NSMT).
Rasuwa Dist.:
13, Langtang Himal, Rimche-Rama Hotel,
28°10'N
,
85°26'E
,
2,340–2,500 m
, on flowers of
Quercus semecaprifolia
,
3 Jun 2006
, T. Yasunaga (00379490) (TYCN).
NE
INDIA
: Darjeeling Dist.:
1Ƥ, Singalila Dara, Manibhanjang,
2,100–2,300 m
,
7 Nov 1981
, M. Tomokuni (00379491) (NSMT).