A taxonomic review of Pachyodes Guen e, 1858, with descriptions of two new species (Lepidoptera: Geometridae, Geometrinae)
Author
HAN, HONGXIANG
Author
XUE, DAYONG
text
Zootaxa
2008
2008-04-30
1759
1
51
68
http://dx.doi.org/10.11646/zootaxa.1759.1.3
journal article
10.11646/zootaxa.1759.1.3
11755334
5123886
Pachyodes subtrita
(
Prout, 1914
)
Figs. 14–15
Terpna subtrita
Prout, 1914
,
Ent. Mitt.
3
: 238.
Holotype
♀
,
Formosa
[
Taiwan
]: Kosempo.
Pachyodes subtrita
:
Holloway, 1996
,
Malay. Nat. J
.
49
: 209.
Redescription.
Head
: Antennae bipectinate in basal two-thirds, black-brown, the longest pectination about 2 times diameter of antennal shaft; filiform in female. Frons with ventral half black-brown, dorsal half white. Labial palpus black-brown, extending beyond frons in both sexes; segment 3 elongate in female. Vertex white.
Thorax
: Tegula grey-green; dorsum grey-green, venter pale yellow, suffused with reddish brown. Hind tibia with two pairs of spurs. Forewing length
26 mm
in
♂
. Wings whitish suffused with grey-green, purplish, and black scales. Forewing costa reddish brown mixed with black inside subbasal line, area inside subbasal line almost concolorous with pale grey-green area between subbasal and antemedial line; outside antemedial line to discal spot suffused with tapering reddish brown mixed with black-brown longitudinal striations; apex grey-green mixed with brown; postmedial line blackish grey, complete though weak, forming black dots on veins, with accompanying white scales; discal spot black, bent. Hindwing wing base more reddish brown and black brown; postmedial line indistinct, composed of dots on veins; a small reddish brown oval patch present between CuA
1
and CuA
2
outside postmedial line; discal spot black, long bar-like. Terminal line black, broken on veins, broader on hindwing. Fringe white alternated with grey-brown, more grey-brown upper half. Venter wing base greyish yellow, outside wing base to discal spot greyish black, spreading to lower margin of cell; forewing with broad black terminal band, tapering and broken posteriorly, almost absent between M
3
and CuA
1
; discal spot black, oblong; hindwing with terminal band discontinuous, patchy medially; discal spot black, long narrow, bar-like.
Abdomen
: Dull white mixed with grey-black scales, dorsal crests developed, grey reddish brown (dull whitish in female). Male genitalia (
Figs 23
,
30
) with socii fused basally, converging, tapering apically. Gnathos with median process pointed, spinulose. Valva well divided into costal lobe and sacculus. Costal lobe with apical and ventral side irregularly dentate; with medial, ventral ridge, but not forming distinct extending process. Sacculus relatively broad, apex slightly narrower, ventral margin wrinkled medially, posterior and apical margins irregularly serrate. Transtilla a pair of expanded processes, slightly sclerotized. Coremata well developed. Semicircular saccus distinctly protruding. Aedeagus short and broad, narrower and strongly sclerotized posteriorly, with large number of spinules; vesica without cornuti. Female genitalia unknown.
Material examined.
CHINA
:
Hinokiyama
,
Formosa
,
20.V.1935
(
BMNH
: 17153),
1♂
(
BMMH
)
;
Hinokiyama Formosa
,
VII.1905
,
Rothschild Bequest, B.M.
-1,
1♂
(
BMMH
)
;
Hinokiyama
,
Formosa
,
VII.1935
,
L.B. Prout Coll.
B.M.1939-643,
1♂
(
BMMH
)
;
Kanschrei
,
Formosa
,
15–29.IV.1908
(
A.E. Wileman
),
Rothschild
Bequest, B.M.
1939-1,
3♂
(
BMMH
)
;
Taiwan
:
Nantou
,
570–800 m
,
28–29.IX.1992
., coll.
F. Aulombard
et
J. Plante
,
7♂
(
ZFMK
)
;
INDIA
:
Sikkim
, Knyvett,
Collectio H.J. Elwes
,
Rothschild Bequest, B.M.
1939-1,
1♂
(
BMMH
)
.
Distribution.
China
(
Taiwan)
,
India
.