A new species of Megaselia Rondani (Diptera, Phoridae) from Guangdong, China

2005·0.16 MB·

Acta Zootaxonomica Sinica, 30 (3): 636- 638 (July, 2005) ISSN1000(cid:1)0739
动物分类学报
A NEW SPECIES OF MEGASELIA RONDANI ( DIPTERA, PHORIDAE)
FROM GUANGDONG, CHINA
FANGHong1, LIUGuang(cid:1)Chun2
1. College of PlantProtection, ShenyangAgricultural University, Shenyang(cid:1) 110161, China
2. College of BiologicalandEnvironmentalEngineering, Shenyang University, Shenyang(cid:1) 110044, China
Abstract(cid:1) Megaselia bisetalis sp. nov. (Diptera, Phoridae), isdescribed fromMt. Dinghu, Guangdong, China. It resembles
M. curtineura Brues, but differsin shapesof fronsandhypopygium.
Key words(cid:1) Phoridae, Megaselia, newspecies, China.
(cid:1) (cid:1) Megaselia Rondani is the largest genus of Phori(cid:1) with scatter short hairs, other tergites bare. Venter of
dae with more than 1400 species. Our knowledge of abdomen yellow, bare. Hypopygium dark brown.
thegenus islimited. Liu(1998) summarized26 species Epandrium with a bristle on each side. Anal tube yel(cid:1)
from mainland China. Recently we found a new low. Wing1(cid:2)04(cid:1)1(cid:2)00. 10mmin length. Costal index
species of the genus, reared frombutterfly, Tirumala 0(cid:2)41. Costal ratios 3(cid:2)75(cid:2)1(cid:2)75(cid:2)1(cid:2)00. Costal cilia0(cid:2)05
limniace (Cramer), from Mt. Dinghu, Guangdong. mm long. No hair at base of vein 3. Sc reachingR .
1
The type specimens of the new species are deposited in Axillary tidgewith 2 hairs. Halteres yellowish brown.
College of Biological and Environmental Engineering, Legyellow. Front tibia 0(cid:2)26mm long with a row of
Shenyang University. short spinules on dorsal face. Front metatasus slender.
Longitudinal palisade of mid tibia extending almost
Megaselia bisetalis sp. nov. (Figs(cid:2)1(cid:1)3)
three quarters of length. Mid tibia with 6 differentia(cid:1)
Male. Frons orange todark brown, ocellar trian(cid:1)
ted posterodorsal spine(cid:1)like hairs, but no anterodorsal
gle dark; frons covered with dense michotrichia and
hairs. Hind femur robustwith6 differentiatedhairson
80(cid:1)100 hairs and broader than its high (heightis about ventral face. Hind tibia with 10 posterodorsal hairs,
5/6 of breadth). Lower supra(cid:1)antennals closer each butnoanterodorsal hairs. Body length 1(cid:2)20mm.
other and clearly shorter and finer than upper pair of Female. Body length 1(cid:2)20(cid:1)1(cid:2)60 mm. Wing
bristles. Antials about level with upper supraantennals length 1(cid:2)30(cid:1)1(cid:2)40 mm. Costal index 0(cid:2)43. Halteres
and lower than antero(cid:1)laterals. Pre(cid:1)ocellars slightly brown. Abdominal tergites brown, venter yellow.
lower on frons than medio(cid:1)laterals and with approxi(cid:1)
Holotype , Dinghu (23!10∀N, 112!31∀E; alt.
mately equal distance each other than either from the
900m), Guangdong Province, 24 Apr. 1992, collec(cid:1)
latter. Third antennal segmentyellowish brown. Palps
tedbyLIUGuang(cid:1)Chun and WANGMin. Paratypes:
pale yellow, slender, with 6(cid:1)7 bristles. Thorax yello(cid:1) 3 , 5# #, same as holotype.
wish brown to brown on dorsum. Mesopleuron bare. Etymology. The species name refers to the char(cid:1)
Scutellumwith anterior pair of hairs andposterior pair acters of hypopygium.
ofbristles. Abdominaltergitesyellowish(cid:1)brown, except Remarks. M. bisetalis is similar toM. curtineu(cid:1)
for frontmargin of tergite2, middle part of tergites 3 ra Brues, but in the latter species frons is higher than
and 4 and whole tergites 5 and 6 yellow. Tergite 6
width and epandriumhas hairs.
(cid:1) (cid:1) (cid:1) (cid:1)
Thisprojectwas supportedbytheNationalNatural ScienceFoundationofChina(30270187).
* Corresponding author, E(cid:1)mail: [email protected]
Received27 Dec. 2004, accepted10 Apr. 2005.
636
July, 2005 方(cid:1) 红等: 中国广东异蚤蝇一新种记述 (双翅目, 蚤蝇科) 637 (cid:1)
Figs(cid:2)1(cid:1)3. Megaselia bisetalis sp. nov. 1. Frons. 2. Left face of hypopygium. 3. Wing.
Brues, C. T. 1911. The Phoridae of Formosa collected by Mr. H.
REFERENCES Sauter. Ann. Mus. Nat. Hun., 9: 530(cid:1)559.
Brues, C. T. 1924. AdditiontothePhoridaeofFormosa(Diptera). Psy(cid:1)
Borgmeier, T. 1967. Studies on Indo(cid:1)Australian Phorid flies, based
che, 31 (5): 206(cid:1)223.
mainlyonmaterial of theMuseumof ComparativeZoologyandthe
Liu, G(cid:1)C 1998. Family Phoridae. In: Xue, W(cid:1)Q and Zhao, J(cid:1)M
United States National Museum. Part ∃ (Diptera, Phoridae).
(eds.), Flies of China(Vols. 1, 2). Liaoning Science and Tech(cid:1)
Stud. Ent., 10: 81(cid:1)276.
nologyPress, Shenyang. pp. 60(cid:1)87, 2293(cid:1)2301.
(cid:1) (cid:1)6(cid:1)38(cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) ActaZootaxonomica Sinica动物分类学报(cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Vol. 30(cid:1) No. 3
中国广东异蚤蝇一新种记述 (双翅目, 蚤蝇科)
方(cid:1) 红1(cid:1) 刘广纯2
1. 沈阳农业大学植物保护学院(cid:1) 沈阳(cid:1) 110161
2. 沈阳大学生物与环境工程学院(cid:1) 沈阳(cid:1) 110044
摘(cid:1) 要(cid:1) 记述异蚤蝇属1新种: 双鬃异蚤蝇 Megaselia biseta(cid:1) 色, 端毛粗大。翅长1(cid:2)04~ 1(cid:2)10mm, 前缘脉指数0(cid:2)41mm,
lis sp. nov.。模式标本存放于沈阳大学生物与环境工程学院。 各段比3(cid:2)75(cid:2)1(cid:2)75(cid:2)1(cid:2)00。平衡棒黄褐。足黄色, 前足胫节具
前背刺1列; 基跗节细长。中足胫节栅毛列达端部1/4,后背
双鬃异蚤蝇, 新种Megaselia bisetalis sp. nov. (图1~ 3)
纤毛6根。后足胫节栅毛列完整, 后背纤毛 10根, 缺前背
雄性(cid:1) 额红褐至黑褐; 额宽稍大于侧高; 密布细毛; 纵
纤毛。体长1(cid:2)2mm。
沟明显。触角上鬃 4 根, 不等。前额间鬃几与触角上鬃同
高。后额间鬃略低于后额框鬃, 4根鬃等距排列。颊鬃 2根, 雌性(cid:1) 体长1(cid:2)2~ 1(cid:2)6mm。翅长 1(cid:2)3~ 1(cid:2)4mm。前缘脉
侧颜鬃 5 根。触角第 3 节黄褐色, 端部褐; 球形; 芒具微 指数0(cid:2)43, 平衡棒褐色。腹背板褐色, 腹面黄色。
毛。下颚须浅黄, 具较长鬃。胸黄褐色, 侧板略浅; 小盾片 正模 , 广东顶湖, 1992(cid:1)04(cid:1)24, 刘广纯、王敏采; 副模
鬃1对, 短毛1对; 中侧片光裸。腹部腹面黄色; 背板大部 3 , 5# #, 采集记录同正模。
分黄褐色, 尾器黑褐, 生殖背板两侧各具长鬃1根。肛管黄 词源: 新种种名据其尾器特点而拟。
关键词(cid:1) 双翅目, 蚤蝇科, 异蚤蝇属, 新种, 中国.
中图分类号(cid:1) Q969(cid:2)44