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A New Species of Rana (Anura, Ranidae) from China

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A New Species of Rana (Anura, Ranidae) from China Acta Zootaxonomica Sinica, 32 ( 4) : 792- 801 ( Oct. , 2007) ISSN 10000739 动物分类学报 A NEW SPECIES OF RANA ( ANURA, RANIDAE) FROM CHINA 1 1* 2 LU YuYan , LI PiPeng , JIANG DeBin 1. Liaoning K ey Laboratory of Evolution and Biodiversity , Shenyang Normal University , Shenyang 110034, China 2. Management Bureau of Maoershan National Nature Reserve , Guilin 541316, China Abstract A new species of Rana is described from Guangxi Province, China. The new species, Rana maoershan ensis has a larger body length, with a SVL averaging 50 9 mm for males and 546 mm for females. Other characters in combination that separate it from close relatives include head width broader than head length; dorsalateral fold thickened and slightlycurved; skin rather smooth; tibiotarsal joint reaching anterior corner of eye; outer metatarsal tubercle indistinct; no internal vocal sacs, nuptial pad divided into two groups, and lineae musculinae absent ventrally in male; and labial tooth row formula of tadpole : 33 : 11 more or : 33! less. Key words Anura, Ranidae, Rana maoershanensis , new species, China. The Eurasian brown frogs are morphological reared through metamorphosis to confirm the conservative assemblage consisting a larger number of identification and to describe the coloration and compare similar species ( Liu, 1946; Liu & Hu, 1961; Kim et with adult patterns. They were fed with egg yolk and al . , 2002) . In some species group, the frogs are quite vegetable leaves in captivity in a plastic box ( 260 mm ∀ similar in morphology, and very difficulty to identify 175 mm ∀ 160 mm) with 15 liters of water. ( Liu & Hu, 1961; Tanaka et al . , 1996; Xie et al . , Measurements were made with digital calipers to the 2000; Lu & Li, 2002) . During last decade, more than 5 nearest 001 mm and rounded to the nearest 01 mm. new species were described from China and 13 species External measurements ( Fei et al . , 2005 ) included have been known distributed in China ( Fei et al . , 2005; snoutvent length ( SVL, from tip of snout to vent) ; Li et al . , 2005; Lu & Li, 2005) . The taxonomic status head length ( HL, from tip of snout to hind border of and phylogenetics of some species, such as Rana angle of jaw) ; head width ( HW, width of head at its kunyuensis, R . zhenhaiensis, R. omeimontis , were made widest point ) ; internarial distance ( IND, distance clearly by molecular analysis based on DNA sequence between nares) ; interorbital distance ( IOD, minimum ( Che, 2006; Jiang & Zhou, 2001; Yang et al . , 2001) . distance between upper eyelids) ; snout length ( SL, from This indicates that complexes of cryptic species maybe anterior border of eye to tip of snout) ; diameter of eye exist in different species group of brown frogs in China ( ED, horizontal diameter of eye) ; width of upper eyelid ( Lu & Li, 2005) . ( UEW, maximum width of upper eyelid) ; diameter of Recent herpetological surveys in China have resulted tympanum ( TD, horizontal diameter of tympanum) ; in the discovery of brown frogs similar to Rana forelimb length ( FLL, from elbow to tip of third finger) ; chaochiaoensis in Guangxi, China ( Li et al . , 2006) . After hand length ( HLT, from base of outer palmer tubercle to collecting more adults and tadpole specimens and tip of third finger ) ; diameter of lower arm ( LAD, comparing with other brown frogs from China, it clearly maximum diameter of lower arm ) ; hindlimb length shows that the frog is a previously undescribed species ( HLL, from vent to tip of fourth toe) , tibia length and report here. ( TIL, from knee to foot) ; tarsus and foot length ( TFL, 1 Materials and Methods from tibiotarsal joint to tip of fourth toe) and foot length ( FL, from proximal end of metatarsal tubercle to tip of , Field surveys were conducted in February March fourth toe) . 2006 and July in Maoershan National Nature Reserve at All tadpoles were staged according to Gosner , , . Xinan County Guangxi Province China Latitude and ( 1960 ) . Tadpoles at stages 36 were used in the longitude were recorded with a Garmin eTrex Venture descriptions and measured. The measurements, . 10% GPS Specimens were fixed in buffered formalin terminology, and labial tooth row formula follow 70% , before preserved in ethanol and deposited in Mcdiarmid and Altig ( 1999) and the labial tooth row Shenyang Normal University Museum of Natural History formula is shown according to Liu and Hu ( 1961) . (SYNU) . Some tadpoles ( series SYNU 0602002) were All measurements were made with a digital caliper to The research was funded by National Natural Science Foundation of China ( No. 0470206) and set up grand of invited professorship of Shenyang Normal University to Dr. LI PP. * Corresponding author, Email: lipipeng@ yahoo. com Received 21 May 2007, accepted 10 July 2007. 792 Oct. , 2007 陆宇燕等: 中国蛙类一新种 ( 无尾目, 蛙科) 793 the nearest 001 mm and rounded to the nearest 01 mm. for these frogs also were taken from the original The tadpoles were observed and measured in a descriptions and references ( Liu, 1945, 1946; Ye et al . , stereomicroscope, except for total length, which was 1993; Ye et al . , 1995; Xie et al . , 2000) . measured with the caliper directly. The pictures were 2 Description of the New Species photographed with digital cameraNikon D100. In addition to the new species presented here, other Rana maoershanensis sp. nov. ( Figs117, Tables 12) brown frogs of China ( Appendix apecimens examined) Holotype adult male, SYNU 06020120, China, were investigated with the specimens stored at SYNU, Guangxi Province, Xian County, Maoershan National Kunming Institute of Zoology ( KIZ) and Chengdu Natural Reserve, collected on the Pond in wetland Institute of Biology ( CIB) , of which R. chensinensis , R . ( 25#52∃N, 110#24∃E) , 1 980 m elevation, collected by kunyuensis , R. huanrenensis, R . chaochiaoensis , R . LI PiPeng and WANG ShaoNeng, Feb. 2006, and omeimontis and R. zhenhaiensis collected by the second Stored at SYNU. author from their type locality from 2000 to 2006. Data Table 1. Measurements ( in mm) of Rana maoershanensis sp. nov. Paratypes Paratypes Paratypes Paratypes Characters Holotype Characters Holotype Male (n = 3) Female (n = 4) Male (n = 3) Female ( n = 4) SVL 51 2 449544* 52 157 6 TD 4 0 343 8 374 1 497 % 318* * 54 6 % 2 32 7 9% 36 % 012 39 % 0 19 73% 71% HL 13 8 134145 18 819 2 FLL 228 207231 24 525 7 27 0% * * * 139 % 040 17 7 % 1 30 444% 219 % 0 81 25 6 % 102 279% 32 4% 441% 47 0% HW 17 1 152176 17 920 7 LAD 6 8 657 1 455 3 33 4% 168 % 103 19 0 % 1 17 133% 68 % 022 49 % 0 41 337% 34 9% 136% 89% SL 67 6 368 719 0 HLL 928 811906 95 31017 13 1% 6 6 % 0 16 76 % 041 181 3% 864 % 3 12 98 3 % 226 132% 14 0% 173 9% 1801% IND 51 4 555 546 1 TIL 291 262288 30 431 6 10 0% 5 1 % 0 43 58 % 034 569% 276 % 0 96 30 9 % 058 103% 10 5% 555% 56 6% IOD 34 3 133 314 5 TFL 430 377432 43 248 1 67% 3 2 % 0 12 39 % 071 840% 403 % 1 93 45 7 % 189 6 5% 71% 810% 83 8% UEW 39 4 246 354 9 FL 295 255292 28 932 2 76% 4 4 % 0 19 42 % 062 576% 277 % 1 47 30 9 % 140 8 9% 77% 557% 56 7% ED 70 6 167 614642 TD: ED 0 60 055 061 6 5 % 0 22 630 % 0 09 IOD: TD 0 85 099 100 13 6% 130% 11 54% ED: SL 1 00 090 083 Note: * size range, * * mean % SD, * * * % SVL. Paratypes. Adult males, SYNU 06020091, SYNU thickened and slightlycurved; skin rather smooth; tibio 06020122 and SYNU 06020124 ( males) ; and adult tarsal joint reaching anterior corner of eye; outer females SYNU 06020121, SYNU 06040153, SYN metatarsal tubercle indistinct; no internal vocal sacs, 0604154 and SYNU 06040155 ( females) , same data as nuptial pad divided into two groups, and lineae for holotype, collected by LI PiPeng and WANG Shao musculinae absent ventrally in male; and labial tooth row Neng, Feb. and Apr. 2006 and stored at SYNU. formula of tadpole &33 &11 more or &33! Tadpoles. Series SYNU 0602001 and series SYNU less. 0604001, same data as for paratypes and stored at Eytmology. This new species is named after its type SUNU. locality. Diagnosis. This new species, Rana maoershanensis has Description of holotype ( Figs1, 59 and Table 1) a larger body length, with a SVL averaging 509 mm for Habitus medium slender and larger; head broad, shorter males and 546 mm for females. Other characters in than wide; snout obtusely pointed in dorsal view, combination that separate it from close relatives include projecting beyond lower jaw, round in profile, slightly head width broader than head length; dorsalateral fold depressed from level of nostril to tip of snout; nostril 7 94 Acta Zootaxonomica Sinica 动物分类学报 Vol. 32 No. 4 Figs 19. Rana maoershanensis sp. nov. 1. Holotype ( male, SYNU 06020120) . 2. Paratype ( female, SYNU06040155) . 34. Paratype ( male, SYNU06020124) . 5. Dorsal view. 6. Ventral view. 7. Lateral view of head. 8. Palmar view of hand. 9. Tarsal view of Foot. Scale bars: 56, 89= 10 mm, 7= 5 mm. slightly closer to tip of snout than eye; canthus distinct, eye diameter 104% the snout length, and separated from slightly constricted at nostrils; lores concave and oblique; eye by less than the half of tympanic diameter; internasal Oct. , 2007 陆宇燕等: 中国蛙类一新种 ( 无尾目, 蛙科) 795 Figs1013. Paratypes of Rana maoershanensis sp. nov. 10. Dorsal view of the males ( SYNU 06020091, SYNU 06020122 and SYNU 06020124) . 11. Ventral view of the males ( SYNU 06020091, SYNU 06020122 and SYNU 06020124) . 12. Dorsal view of the females ( SYNU 06020121, SYNU 06040153 and SYN 0604154) .
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