Notes on the genus Homoneura from Guizhou, China (Diptera: Lauxaniidae)
Author
Gao, Caixia
Author
Yang, Ding
text
Zootaxa
2005
2005-06-21
1010
1
15
24
https://biotaxa.org/Zootaxa/article/view/zootaxa.1010.1.2
journal article
10.11646/zootaxa.1010.1.2
11755334
5048954
BD48E037-051B-4F66-87F1-08319D846E85
Homoneura (Homoneura) lii
sp. nov.
(
Figs 7–12
)
Body length
5.1–5.8 mm
(male),
5.3–6.1 mm
(female); wing length
5.7–6.4 mm
(male),
5.5–6.1 mm
(female).
Head yellow. Frons wider than long, parallelsided, with 2 pale brown stripes; ocellar triangle brown; ocellar bristle developed, longer than anterior frontoorbital bristle; face without spots; gena about 1/4 height of eye. Antenna yellow; 1
st
flagellomere somewhat pale brown, about 1.5 times as long as wide; arista black except yellowbrown base, with longest hairs as long as 1/2 width of 1
st
flagellomere. Proboscis yellow, with black and yellow hairs; palpus yellow, with black hairs.
Thorax yellow. 0+3 dc (anteriormost dc clearly behind transverse scutal suture), acr in 6 regular rows and equal in length, prsc about as long as anteriormost dc. Legs yellow. Fore femur with 5 posterior ventral bristles, 6 posterior dorsal bristles, and ctenidium with 12 short bristles. Mid femur with 6 anterior bristles; mid tibia with 1 preapical anterior dorsal bristle and 3 apicoventral spurs. Hind trochanter and femur without secondary characters. Wing (
Fig. 7
) pale yellow, dark on apex of subcostal cell, subapically on R
2+3
, and preapically on R
4+5
and M
1
, and along crossvein dmcu; spots on R
2+3
and R
4+5
confluent; preapical spot on M
1
pale and small; costa with 2nd, 3rd and 4th sections in proportion of 11.5:2:1.4; rm at middle of discal cell; ultimate and penultimate sections of M
1
in
proportion of 6.1:3.8; ultimate section of CuA
1
about 1/6 of penultimate. Halter yellow.
FIGURES 7–12.
Homoneura lii
,
sp. nov.
, male. 7. Wing; 8. epandrium and protandrium, lateral view; 9. protandrium, anterior view; 10. epandrium, posterior view; 11. aedeagal complex, lateral view; 12. aedeagal complex, posterior view.
Abdomen yellow, with central black stripes on tergites 3–8 and black edges on tergites
3–6 in
male. Male sternite 5 with concave distal border. Genitalia (male) (
Figs 8–12
): Protandrium rather wide, semicircular, 7th spiracle without surrounding setulae; surstylus basally fused with epandrium, apically furcated, with two outer processes; hypandrium with apodemes small, gonopod divaricated; aedeagus long, without apical incision.
Type material.
Holotype
male deposited in
CAU
,
Guizhou
:
Fanjingshan Mountain
(
27°55’N
,
108°41’E
) (
2100–2200 m
),
2002. V. 31
, Ding Yang
.
Paratypes
2 males
3 females
, same as
holotype
;
2 males
2 females
,
Guizhou
:
Fanjingshan Mountain
(
27°55’N
,
108°41’E
) (
1800–2200 m
),
2002. VI. 1
, Ding Yang
.
Remarks. The new species is similar to
Homoneura (Homoneura) bistriata
(
Kertész, 1915
)
from
Taiwan
, but can be separated from the latter by the spots of the subcostal cell and rm being separated, and the hypandrial apodemes are small. In
bistriata
,
the spots of subcostal cell and rm are confluent, and the hypandrial apodemes are distinct (
Kertész 1915
;
Sasakawa & Ikeuchi 1982
).
Etymology. The species is named after Professor Zizhong Li.
Distribution.
China
(
Guizhou
).