Review of the genus Argyresthia Hübner, [1825] (Lepidoptera: Yponomeutoidea: Argyresthiidae) from China, with descriptions of forty-three new species
Author
Liu, Tengteng
Author
Wang, Shuxia
Author
Li, Houhun
text
Zootaxa
2017
4292
1
1
135
journal article
32781
10.5281/zenodo.827746
248cfde9-84c8-4101-887c-08f27ad5afac
1175-5326
827746
48A417CD-CA76-4CA1-8E2C-93DE2E681CCC
7.
Argyresthia
(
Blastotere
)
anthocephala
Meyrick, 1936
(
Figs. 9
c, 9d, 19, 90, 147, 203, 257)
Argyresthia anthocephala
Meyrick, 1936: 622
. TL: Japan (Kyoto). TD: BMNH (Lectotype and Paralectotype).
Argyresthia cryptomeriae
Yang
:
Xu, Liu
&
Zhu, 1991
: 457
. [
nomen non rite publicatum
]
Description.
Adult (
Fig. 19
) wingspan 8.5̄
9.5 mm
. Head with vertex yellow, frons white, face slivery grayish white. Labial palpus fuscous except gray dorsally. Antenna with scape pale yellowish, pecten fuscous; flagellum grayish fuscous, dotted with black dorsally on each flagellomere. Foreleg grayish white on dorsal surface, femur grayish fuscous, tibia and tarsus blackish fuscous on inner surface; midleg grayish white, femur dark fuscous on inner surface, tibia and tarsus blackish fuscous on dorsal surface; hindleg grayish white, tarsus with distal four tarsomeres blackish fuscous dorsally. Thorax and tegula dark fuscous. Forewing ratio 4.0; unicolorous fuscous to dark fuscous; cilia concolorous with wing along costa and apex, gray near tornus. Hindwing gray, cilia paler.
Abdomen slivery blackish gray dorsally, pale yellowish fuscous ventrally. Female similar to male in size and wing pattern, but darker in forewing color.
Venation
: Forewing with R4 and R5 separate; hindwing with M3 and CuA1 from same point.
Male genitalia
(
Figs. 90
,
147
,
203
): Tuba analis equal to width of valva in length. Socius covered with 23̄27 scale-like setae, bearing a single long seta posteriorly (
Fig. 203
). Valva widest in basal 2/7, dorsal margin arched, ventral margin convex at basal 4/7; transtilla developed, curved inward near middle about 90°. Saccus very short, truncate apically. Phallus more or less S-shaped, 3.4 times as long as width of valva, with about 10 micro-denticles on outer surface distally; cornutus about 1/2 length of phallus, with four to five strong denticles (
Figs. 147, 147
a). Second sternite with seven to ten micro-setae in each row; eighth sternite Y-shaped. Coremata present.
Female genitalia
(
Fig. 257
): Ovipositor 2.3 times as long as eighth segment. Anterior apophysis 4/5 length of posterior apophysis, bifurcate before distal 1/4; branch bifurcate a second time, with dorsal branch extending to lamella postvaginalis, ventral branch fused or disconnected with opposite one. Lamella postvaginalis hourglassshaped. Antrum an elongate funnel, about 2/3 length of eighth segment. Ductus bursae covered with groups of micro-denticles arranged like combs from opening of ductus seminalis to corpus bursae (
Fig. 257
a), becoming round denticles or micro-spines towards corpus bursae; ductus seminalis originating from anterior 2/5 of ductus bursae. Corpus bursae ovate, with sparse denticles; signum with horns straight, extending almost horizontally.
Variation.
In material from
Japan
, phallus nearly straight in male genitalia; ductus bursae covered with microdenticles but not arranged like combs in female genitalia.
Material
examined.
Zhejiang Province
: 7Ƌ,
10♀
,
Mt. Wuyanling
(
27.71°N
,
119.67°E
),
Taishun County
,
1050 m
, 28̄
31.vii
,
1.viii.2005
, leg.
Yunli Xiao
, slide nos. FXM07025Ƌ
, FXM07026♀, XYL05004♀,
LTT12524W;
1♂
,
2♀
, 1 ex. (without left forewing, hindwings and abdomen),
Mt. Qinglianfeng
(
30.11°N
,
118.88°E
),
Lin'an County
,
900 m
,
8.viii.2005
,
Yunli Xiao
, slide nos
. LTT12307♂, LTT12308♀;
2♂
,
Mt. Fengyang
(
28.08°N
,
119.13°E
),
Longquan County
,
Lishui City
,
1470 m
, 26,
30.vii.2007
, leg.
Qing Jin
, slide no. LTT12312
;
1♀
,
Kaishanlaodian
,
Mt. Tianmu
,
Hangzhou City
, (
30.34°N
,
119.45°E
),
1140 m
,
17.viii.1999
, leg.
Houhun Li
et al.
, slide no. YHL00389
.
Hubei Province
:
1♀
,
Mt. Wujia
(
31.08°N
,
115.82°E
),
Yingshan County
,
8.vii.2008
, leg.
Yunli Xiao
, slide no. LTT12310
.
Fujian Province
:
1♀
,
Maodi
(
26.71°N
,
118.09°E
),
Nanping City
,
850 m
,
23.ix.2002
, leg.
Xinpu Wang
, slide no. LTT12309
.
Japan
:
Honshu
:
1♀
,
Anamizu
, Ishikawa-Pref.,
29.vii.1961
, leg.
A. Kawabe
;
1♂
,
Daisen
,
Tottori
,
10.vii.1964
, leg.
Sigeru Moriuti
, slide no. UIK-4801 (
UOPJ
).
Host plants
:
Cryptomeria japonica
(Linn. fil.) D. Don (
Cupressaceae
).
Xu
et al.
(1991)
recorded the host plant as
C. fortunei
Hooibrenk
ex
Otto & Dietr.
, which is now considered a synonym of
C. japonica
(
The Plant List 2013
).
Distribution.
China
(
Fujian
,
Hubei
,
Jiangxi
,
Zhejiang
),
Japan
.
Diagnosis.
This species has a unicolorous forewing, which resembles the unicolorous species in the subgenus
Blastotere
.
Argyresthia
(
B.
)
anthocephala
can be separated by the fuscous or dark fuscous forewing, whereas the forewing in other unicolorous congeners is bronze brown or grayish white (
Bengtsson & Johansson 2011
). The genitalia of
A.
(
B.
)
anthocephala
are similaar to those of
A.
(
B.
)
illuminatella
Zeller, 1839
, but
A.
(
B.
)
anthocephala
can be distinguished by the cornutus with four to five strong denticles in the male genitalia, whereas the cornutus has more than six strong denticles in
A.
(
B.
)
illuminatella
(Baraniak
et al.
2003;
Bengtsson & Johansson 2011
).
Remarks.
Several presumed important characters were not included in the original or subsequent descriptions (Meyrick 1936;
Moriuti 1965
,
1977
), e.g., the number of strong denticles on the cornutus. A revised description is thus given here. Populations in
China
and
Japan
vary in some morphological features, which we consider not diagnostic.
Xu
et al.
(1991)
mentioned that
A.
(
Blastotere
)
anthocephala
was a new species and would be published by the late prof. Jikun Yang under the name
cryptomeriae
. However, we could not find any formal publication of this name, even in the book “Memories of Prof. Jikun Yang” which listed all the new species published by him (
Yang 2005
). Xu
et al.
described the adult of this species under the name
cryptomeriae
, but did not designate a
holotype
. Therefore the name
Argyresthia cryptomeriae
,
nomen non rite publicatum
, is treated here as an unavailable name.