Notes on the Chinese Sarasaeschna, with description of a new species from Fujian (Odonata, Aeshnidae)

2008·0.94 MB·

Acta Zootaxonomica Sinica, 33 (3) : 480- 483 (July, 2008) ISSN1000(cid:1)0739
动物分类学报
NOTES ON THE CHINESE SARASAESCHNA, WITH DESCRIPTION OF A
NEW SPECIES FROM FUJIAN ( ODONATA, AESHNIDAE)
XUQi(cid:1)Han
Zhangzhou City University, Fujian(cid:1) 363000, China
Abstract(cid:1) ThispapertreatssixspeciesofthegenusSarasaeschna Karube&Yehin China. Sarasaeschnazhuae sp. nov. isdescribedand
illustratedfroma singlemale. Akeytothe Chinese speciesof the genusisprovided.
Key words(cid:1) Odonata, Aeshnidae, Sarasaeschna, new species, China.
(cid:1) (cid:1) The genus Sarasaeschna was established by Karube & Oligoaeschnapyanan Asahina, 1951. Konty(cid:1), 19 (1): 19, fig. 35; Lieftinck,
1968. Tijdschr. Ent., 111 (5): 147, 161, fig. 3; Yeh& Chen, 2000.
Yeh (2001) from Lieftinck(cid:1)s pryeri section of Oligoaeschna
Odonatologica, 29 (2): 145, figs. 19b, 20c.
(Lieftinck, 1968), and its type species is S. preyri
Sarasaeschnapyanan Karube&Yeh, 2001. Tombo, 43: 5, figs. 11, 29.
( Martin, 1909). There are thirteen species of
Distribution. China ( Taiwan) .
Sarasaeschna known sofar (Karube&Yeh, 2001; Wilson
& Reels, 2001) , distributing along a belt extended from S. sabre (Wilson&Reels, 2001)
East Himalayas to Japan. The main characters of this Oligoaeschnasabre Wilson & Reels, 2001. Odonatologica, 30 (2): 180(cid:1)181,
genus are: median or small size aeshnids, with a figs. 92(cid:1)97.
heliochromatic colour pattern; frons of head with Distribution. China ( Hainan) .
prominent black T(cid:1)mark superiorly; diameter of head
S. tsaopiensis (Yeh& Chen, 2000)
across eyes less than twice thewidth offrons; hindfemur
Oligoaeschnai tsaopiensis Yeh & Chen, 2000. Odonatologica, 29 (2): 142(cid:1)145,
usually as long as synthorax; venation simple, figs. 7(cid:1)12, 13, 19f.
supertriangles usually free; auricles roundly angled; (cid:1) Sarasaeschnatsaopiensis Karube&Yeh, 2001. Tombo, 43: 4, figs. 8, 26.
superior appendages usually slender and knife(cid:1)shaped in Distribution. China ( Taiwan) .
lateral view, inferior appendage deeply bifid; (cid:1) cerci
S. zhuae sp. nov.
short and inconspicuous; sperm vesicle broadly hollow
ventrallyand cup(cid:1)shaped, distal segment of penile organ Distribution. China (Fujian).
with a triangular expansion, flagella sickle(cid:1)shaped, as
Keyto male speciesof Sarasaeschna inChina
long as glans, sometimes twisted. 1. Tworows ofcellspresentbetweenMAandMspl inallwings; (cid:1) inferior
To date, fiveSarasaeschna specieshavebeenreported appendageabout2(cid:1)3 or5(cid:1)6lengthofsuperiorappendages (cid:1)(cid:1)(cid:1)(cid:1) 2
in China (Karube &Yeh, 2001; Wilson &Reels, 2001; Onerow ofcellspresentbetweenMAandMspl inallwings; (cid:1) inferior
appendageless than2(cid:1)3lengthofsuperior appendages (cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1) 4
Wilson, Reels&Xu, 2008). Thepresentpaper treats six
2. Large sized; (cid:1) inferior appendage about 5(cid:1)6 length of superior
species of Sarasaeschna recorded from China. Sarasaeschna appendages (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) S. zhuae sp. nov.
zhuae sp. nov. is described and illustrated here from a Medium sized; (cid:1) inferior appendage about 2(cid:1)3 length of superior
single male. The holotype specimen is deposited at appendages (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)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1) 3
3. Postclypeusmarkedwithchrome yellow band; segment 1 of abdomen
Zhangzhou City University, Fujian, China. The new
markedwithchromeyellowondorsumandonbothsides; thetipof (cid:1)
taxon represents the first record of the genus Sarasaeschna superior appendagepointed, theinner sideof (cid:1) superiorappendagewith
from continental China. apronouncedsemicirculardepression (cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1) S. pyanan
Postclypeusreddishbrown, marginedwithlight greenband; segment1
Checklist of Sarasaeschna in China ofabdomenentirelyblack; thetipof (cid:1) superiorappendagerounded, (cid:1)
superiorappendagewith a very small ventral spineat aboutbasal 1(cid:1)5,
S. lieni (Yeh& Chen, 2000)
andheel(cid:1)shapedataboutapical 3(cid:1)5ofinnerside (cid:1)(cid:1)(cid:1)(cid:1) S. niisatoi
Oligoaeschnalieni Yeh&Chen, 2000. Odonatologica, 29(2): 138(cid:1)142, figs. 1(cid:1) 4. Upper ends of dorsal stripes of synthoraxextending toantealar ridge;
6, 14, 19c. abdomen tapering markedlyfrom segment 4 towards its tip, widest at
Sarasaeschnalieni Karube&Yeh, 2001. Tombo, 43: 5, figs. 14, 32. segments3(cid:1)4beyondinitialbulge, narrowingtohalfitswidthatsegment
8; (cid:1) superior appendageswithsabre(cid:1)shapeddistal curvature (cid:1)(cid:1)(cid:1)(cid:1)
Distribution. China (Taiwan).
(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)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1) S. sabre
S. niisatoi (Karube, 1998) Upper ends of dorsal stripes of synthorax very close to or a little
Oligoaeschnaniisatoi Karube, 1998. Gekkan(cid:1)Mushi, (330): 2(cid:1)5, figs. 1, 5(cid:1)10. connectedwith spots above them; abdomen spindle(cid:1)shaped fromdistal
half of segment 3 to segment 7, widest at segments 4(cid:1)5; (cid:1) superior
Sarasaeschnaniisatoi Wilson&Reels, 2008. Echo, 5: 9.
appendages notas above (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)(cid:1) 5
Distribution. China (Hainan); Vietnam.
S. pyanan (Asahina, 1951)
Received10 Sep. 2007, accepted10May2008.
480
July, 2008 徐奇涵: 中国萨蜓属分类研究并记述一新种 (蜻蜓目, 蜓科) 481 (cid:1)
5. Lower margin of postclypeus bordering anteclypeus broadly black; Occiputblack, covered with densely long blackish hairs.
segment1 with two spots on dorsum; segment 2 with six spots on
The dorsal view of frons and vertex as shown inFig(cid:1)1.
dorsumandthreespots oneachside; (cid:1) superiorappendagesrazorknife(cid:1)
Prothorax black. Synthorax black, with green or
shaped (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)(cid:1)(cid:1)(cid:1) S. tsaopiensis
Lowermargin of postclypeus bordering anteclypeus lacking broad dark yellowish green markings. Dorsal carina ridged
band; segment 1 unmarked dorsally; segment 2 with five spots on triangularly on upper end. Dorsal stripes green, directed
dorsumandtwospotsoneachside; (cid:1) superiorappendageswithshallow
outward and downward toward outer ends of collar
andbroadventral emarginationandweaklyapicalexpansion (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)(cid:1)(cid:1)(cid:1) S. lieni carina, connected above with paired elliptical spots
situated near antealar ridge. Mesepimeron with broad
Sarasaeschna zhuae sp. nov. (Figs(cid:1)1(cid:1)9)
yellowish green stripe. Metepisternum with small green
Male. Labium orange brown. Mandible brown, its triangular spot on upper end. Metepimeron with largely
apical portion blackish brown. Labrum blackish brown. yellowish green stripe. Mesokatepisternum and
Anteclypeus blackish brown. Postclypeus brown, its metakatepisternum brown. The colour pattern of
upper margin narrowly orange yellow. Frons black, synthorax as shown in Fig(cid:1)2. Legs black with brown
broad andnotprotuberantanteriorly, its dorsal sidewith coxae. Hindfemuras longas synthorax. Wings hyaline,
paired transverse green spots. Vertex black, about 2(cid:1)5 tintedwith amber at extreme base in all wings, enfumed
width of frons, markedly tumid, with densely long with pale yellow in forewings and golden yellow in the
blackish hairs. Eyes small, diameter of head across eyes hind. Pterostigma brown, braced at its proximal side,
less than twice the width of frons; interorbital suture a 3(cid:1)8(cid:1)4(cid:1)0mminlength, covering2(cid:1)5(cid:1)3(cid:1)0cells. Tworows
little longer than occipital triangle. Antennae black. of cells present between MA and Mspl. Nodal index 8(cid:1)
Figs(cid:1)1(cid:1)8. Sarasaeschna zhuae sp. nov. (cid:1) . 1(cid:1) Frons and vertex, dorsal. 2(cid:1) Synthoracic colour pattern, dorso(cid:1)lateral. 3(cid:1)
Abdominalcolour pattern, lateral. 4(cid:1) Caudalappendages, lateral. 5(cid:1) Caudal appendages, dorsal. 6(cid:1) Caudal appendages,
ventral. 7(cid:1) Penile organ, lateral. 8(cid:1) Distal segment ofpenile organ, ventral.
(cid:1) 4(cid:1)82(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) 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. 33(cid:1) No. 3
1(cid:1)7:(cid:1) 18(cid:1)(cid:1)8(cid:1) in(cid:1) forewings, 9(cid:1)11: 12(cid:1)9 in the hind. Median celled. Tornus roundly angulate. Membranule darkish
space free. Triangle three celled. Hypertriangle and grey, well developed.
subtriangle free. Analloopfivecelled. Anal triangle three
Fig(cid:1)9(cid:1) Sarasaeschna zhuae sp. nov. (cid:1)
(cid:1) (cid:1) Abdomen black with green or greenish yellow slender, curved inwards at distal end and slightly
markings, inflated at basal 2 segments. Dorsally, downwards, somewhat pointed at apex, with a ventral
constricted sharply from posterior end of segment 2 to lobeat subapex, and two small ventral teeth at basal 2(cid:1)5
anterior half of segment3, spindle(cid:1)shapedfromdistal half and the middle respectively. Inferior appendages 5(cid:1)6 of
of segment 3 to segment 7, then a little expanded again the length of superiors, divaricate at apical 1(cid:1)3 with two
from segment 9 to segment 10(cid:1) Segment 1 unmarked. forks markedly diverging outwards, gently curved
Dorsally, segment 2 with a greenish yellow triangular upwards and small hook(cid:1)shaped at apex. The caudal
spot at dorso(cid:1)anterior border, and with paired medio(cid:1) appendages as shown in Figs(cid:1)4(cid:1)6. Penile organ
dorsal greenish yellow rectangular spots and paired complicated in shape, resembling those of S. pyanan
greenish yellow semicircular spots at dorso(cid:1)posterior (Asahina, 1951) and S. speciosa ( Karube, 1998a) as
border; segments 3(cid:1)6 with paired green subtriangular illustrated and described by Yeh & Chen ( 2000) and
spots at dorso(cid:1)posterior border respectively. Laterally, Karube & Yeh ( 2001). Sperm vesicle broadly hollow
segment 2 with a large yellowish green spot covering ventrally and cup(cid:1)shaped, with strongly protruding
auricle, and connecting with a small obscure brown spot marginal flange. Laterally, median segment of penile
at the middle; auricle not well developed, projecting organ notched atouter side; distal segment with vestigial
backward and roundly angled, armed with small dark microsculptures at apicolateral sides, its dorsal flange
spines along posterior edge; intersegmental membrane protruding dorsally and forming a triangular expansion;
between segment 2 and segment 3 with a ventro(cid:1)lateral flagella flat and sickle(cid:1)shaped, extended perpendicularly
greenish yellow spot; segments 3(cid:1)7 with a conspicuous to glans. Ventrally, distal segment with paired crest(cid:1)
greenish yellow spot at ventro(cid:1)lateral base respectively. shaped(cid:1) bony plates(cid:1) protruding and heavily sclerotized;
Ventrally, segments4(cid:1)8with pairedyellowish green basal flagella well developed, bent strongly and ram(cid:1)horn
spots respectively. Segment 9 and segment 10 entirely shaped. The penile organ as shown in Figs(cid:1)7(cid:1)8.
black. Thelateralcolour pattern of abdomenas shownin Measurements mm. Abd. + app. 58; hw. 46.
Fig(cid:1)3(cid:1) Caudal appendages black. Superior appendages Holotype (cid:1) , China, Fujian Province, Huaan
July, 2008 徐奇涵: 中国萨蜓属分类研究并记述一新种 (蜻蜓目, 蜓科) 483 (cid:1)
County (24(cid:1)49(cid:1)N, 117(cid:1)45(cid:1)E), 5 July 2007, leg. XU Biological notes. The new species was found at an
Qi(cid:1)Han, deposited at Zhangzhou City University in elevation of ca. 1200m a. s. l. It was hovering low
Fujian Province, China. Female unknown. abovea shady puddle before captured. The puddle was
Etymology. The new species is named in honor of situated in a small forestclearing, full of vegetative litter.
Prof. ZHU Hui(cid:1)Qian, an odonatologist of Shanxi
Acknowledgements (cid:1) I wish to express my deep
University.
gratitude toKeith Wilson for his kind help with valuable
Differential diagnosis. Species of Sarasaeschna are
references and for his critical reading and comments on
highly homogeneous in general appearance, and highly
the manuscript. Thanksarealso duetoLiang(cid:1)JongWang
varied in the shape of their caudal appendages. So, it is
and Haruki Karube for their kind help in providing
not easy to correlate new species with other Sarasaeschna
papers necessary for thepresent study.
species based on appearance and caudal appendages.
But, judging from the character of the penile organ, the REFERENCES
new species is undoubtedly closely related to S. pyanan
Asahina, S. 1951. Newdragonfliesfromthenorth(cid:1)easternAsia(Odonata).
and toS. speciosa, since it shares features with the latter Konty(cid:1), 19 (1): 15(cid:1)22, 3pls.
two species as follows: flagella long, flat and strongly Karube, H. 1998a. A new species of the genus Oligoaeschna (Odonata,
bent, extended perpendicularly to glans; distal segment Aeshnidae) from Northeast India. Bulletin of the Kanagawa Prefectural
Museum (Natural Science), (27): 81(cid:1)83.
with paired crest(cid:1)shaped ventro(cid:1)basal bony plates, and
Karube, H. 1998b. A new species of the genus Oligoaeschna (Odonata,
vestigial microsculptures at apicolateral sides (Karube & Aeshnidae) fromNorthernVietnam. Gekkan(cid:1)Mushi, (330): 2(cid:1)5.
Yeh, 2001). The new species can be easily separated Karube, H. and Yeh, W. C. 2001. Sarasaeschna gen. nov., with
descriptions offemaleS. minuta (Asahina) andmalepenilestructures of
from allother Sarasaeschna speciesby thefollowingdistinct
Linaeschna (Anisoptera: Aeshnidae). Tombo, 43: 1(cid:1)8.
characters: 1) the largest of all Sarasaeschna species; 2)
Lieftinck, M. A. 1968. AreviewofthegenusOligoaeschna SelysinSoutheast
face generallybrown except for a narrowly orange yellow Asia. TijdschriftvoorEntomologie, 111(5): 137(cid:1)184.
band on the upper margin ofpostclypeus; 3) basalS3(cid:1)S7 Wilson, K. D. P. and Reels, G. T. 2001. Odonata of Hainan.
Odonatologica, 30(2): 145(cid:1)208.
with large and conspicuous markings on lateral sides; 4)
Wilson, K. D. P., Reels, G. T. andXu, Z(cid:1)F2008. RevisedChecklistof
superior appendages with a ventral lobe at subapex, and
HainanOdonata, China. Echo, 5: 6(cid:1)14.
two small ventral teeth at basal 2(cid:1)5 and the middle Yeh, W. C. andChen, Y(cid:1)M2000. Descriptions oftwonewspeciesofthe
respectively; inferior appendages 5(cid:1)6 of the length of genusOligoaeschna fromNorthern Taiwan, withnotes onthe status of
superior appendages, the longest of all Sarasaeschna thepryeri(cid:1)group(Anisoptera: Aeshnidae). Odonatologica, 29(2): 137(cid:1)
species. 150.
中国萨蜓属分类研究并记述一新种 (蜻蜓目, 蜓科)
徐奇涵
漳州城市职业学院(cid:1) 福建漳州(cid:1) 363000
摘(cid:1) 要(cid:1) 记述萨蜓属 Sarasaeschna Karube &Yeh的中国种类共 主要特征如下: 1) 在萨蜓属中个体最大; 2) 脸部总体为棕
计6种, 其中包括1新种, 即朱氏萨蜓S. zhuae sp. nov.。正 色, 仅后唇基上缘具狭小黄色横带; 3) 腹部第3~ 7节基部
模 (cid:1) , 福建省华安县, 2007(cid:1)07(cid:1)05, 徐奇涵采。模式标本存 侧面具大而明显的黄绿色斑; 4) 上肛附器腹侧亚端部具 1
放在漳州城市职业学院生物标本室。给出了萨蜓属中国已知 半圆形突起, 正中处和近基部2(cid:1)5处各具1 小齿; 下肛附器
种的名录、地理分布和检索表。新种区别于萨蜓属其它种的 长达上肛附器的5(cid:1)6, 为萨蜓属中最长者。
关键词(cid:1) 蜻蜓目, 蜓科, 萨蜓属, 新种, 中国.
中图分类号(cid:1) Q969(cid:1)229(cid:1)3