宜蘭大學生物資源學刊(2004)

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蘭 (2010) 6(1): 59-69 蘭蘭 1 2* 立理立蘭年年蘭林說類數數年琉蘭蘭林樂不年度蘭林樂數數蘭林樂年類年蘭來蘭類林蘭林樂 Biodiversity Investigation of Butterflies at Yilan I.

1 蘭 (2010) 6(1): 蘭蘭 1 2* 立理立蘭年年蘭林說類數數年琉蘭蘭林樂不年度蘭林樂數數蘭林樂年類年蘭來蘭類林蘭林樂 Biodiversity Investigation of Butterflies at Yilan I. Dajiaosi and Cilan Areas Sheng-Chih Ou-Yang 1 Su-Chiung Chen 2* 1. Collection Management Department, National Taiwan Museum 2. Department of Horticulture, National Ilan University Abstract From Feburary, 2002 to January, 2003, we monthly investigated the biodiversity of butterflies of the Dajiaosi Experimental Forest at Jiaosi Township in Yilan County. There were 1,005 individuals of 36 species and 4 families, Papilionidae, Pieridae, Nymphlidae, and Lycaenidae distributed in the forest. This paper not only states the butterfly fauna in this area, but also reports the fluctuation on butterfly species and numbers in each butterfly family monthly. The Radena similis similis is the only one species that can be seen all year round. In this research, investigating results of July and August

2 of 1992 and 2003 from a different site, the Cilan Forest Recreation Area at Datong Township, in Yilan County are also reported and used to be compared with. The comparing results indicate that the family and species numbers of butterflies at Cilan Forest Recreation Area are both greater than those at Dajiaosi Experimental Forest. The abundance of butterfly fauna in 1992 was greater than that in 2003 at Cilan Forest Recreation Area. This implicates the requirement of efforts such as planting the larval host plants and adult s nectar plants, preventing the artificial destruction and the interference of visitors to maintain the biodiversity of butterflies at Dajiaosi and Cilan Area. Key wordsyilan County, biodiversity of butterflies, butterfly fauna, Dajiaosi Experimental Forest, Cilan Forest Recreation Area. *Corresponding author. scchen@niu.edu.tw 說麗論異類了料利不數不不年來復類立了路類狀錄料理數年來蘭類不不了類類隸立蘭林林蘭度 ~ 北臨離蘭里立蘭不行數度林類行蘭列蘭蘭林樂度蘭流流度 ~ 林行理年行立蘭蘭林樂蘭兩年蘭林樂林樂蘭蘭林樂年蘭林樂類不北林類列李行蘭林路蘭林樂樂李行蘭路蘭林林北路蘭蘭蘭林兩蘭林樂蘭臨蘭年來度路車便旅利蘭旅度蘭切力力類蘭林樂立類料

3 料料蘭林類類了類林度 ~ 了蘭葉林林蓮金年年年林路林行里行林樓行錄路行鱗類理冷冷錄參類參李錄類狀錄錄類理錄數數了理蘭蘭林樂年年路行類理錄數了蘭類類年來類類不異更類類李降不年年林錄數錄類數量琉林數年年數數數數錄料

4 Table 1 The list of butterflies and individuals number recorded at Dajiaosi Experimental Forest (from February, 2002 to January, 2003) 數 Graphium doson 37 postianus () Graphium sarpedon 83 connectens () Papilio bianor takasago 3 Nakahara & Esaki Papilio memnon heronus 40 Papilionidae 琉 Papilio paris nakaharai 29 Shiroze Papilio polytes pasikrates 18 Papilio protenor Cramer 110 Appias lyncida formosana 10 (Wallace) Eurema blanda arsakia 161 () Eyrena andersoni godana 1 Hebomoia glaucippe 71 Pieridae formosana () Leptosia nina niobe 1 Wallace Pieris canidia canidia 6 (Linnaeus) Pieris rapae crucivora 124 Boisduval Acraea issoria formosana 32 () Athyma jina sauteri 30 () Cynthia cardui Linnaeus 2 Nymphalidae Cyrestis thyodamas 72 formosana 琉 Hypolimnas bolina kezia 4 (Butler) 數葉 Kallima inachus 2 formosana Neptis hylas luculenta 琉 5 Nymphalidae () Timelata albescens 7 formosana Euploea eunice hobsoni 10 (Butler) Euploea mulciber barsint 8 Ideopsis similes 琉 Nymphalidae (Linnaeus) 83 Parantica aglea maghaba Danainae () 1 Parantica site niphonica 11 (Moore) Tirumala hamata 19 septentrionis Butler Elymnias hypermnestra 1 hainana Moore Lethe chandica ratnacri 2 Lethe europa pavida 2 Nymphalidae Lethe rohria daemoniaca 1 Satyrinae Mycalesis suavolens kagina 7 Ypthima akragas 9 Ypthima baldus zodina 1 Lycaenidae Heliophorus ila matsumurae Table 2 Species number of each family butterflies in different months at Dajiaosi Experimental Forest (from February, 2002 to January, 2003) 數

5 3 Table 3 Comparison of species number of butterflies from Taiwan Area and Dajiaosi 數例 Experimental Forest (from February, 2002 to 數錄 January, 2003) 了林 (TaiBIF, 2010) 1) 例 % 數數例 % 數例 % 年年數量數量 ( 數 ) 1) Taiwan Biodiversity Information 例 Facility, TaiBIF2010/09/28 數類數數數不錄料略更數了數異數來類類類度量類度量見李類狀年類類狀錄類不數數數了例易行 Table 4 Number of individuals of each family butterflies in different months at Dajiaosi Experimental Forest (from February, 2002 to January, 2003) 數例 %

6 不良李類蘭林類年年異若了數兩數數數兩理率琉錄琉年不年年見了流不兩數量率率率率琉率數量數量率年了數數數量見見兩見數量路了林類數量琉省見蘭類年蘭林樂行來年度年理蘭類蘭蘭錄類了蘭類蘭林樂句說年年蘭林樂林理年不年林蘭林樂不錄年琉年蘭林樂琉里

7 Table 5 Occurrence of species of butterflies recorded at Dajiaosi Experimental Forest (from February, 2002 to January, 2003) * 8 1 * 10 琉 * 6 4 * 10 3 * 9 1 * * * 11 琉 3 葉 2 琉 2 * 琉 * * 率六

8 6 7 8 Table 6 Comparison of species of butterflies recorded from Cilan Forest Recreation Area and Dajiaosi Experimental Forest from July to August in different years 蘭林樂林年年年琉琉琉里

9 6 蘭林樂林年年年琉琉里 Table 7 Comparison of species number among butterfly families recorded from Cilan Forest Recreation Area and Dajiaosi Experimental Forest from July to August of different years. 數蘭林樂林 1992 年 2003 年 2002 年

10 琉蘭林樂不年類年琉琉里年里兩蘭林樂不年度蘭林樂林數蘭林樂不論年數林蘭林樂數數林蘭年蘭年年年年蘭林樂蘭林樂數蘭林樂年年類林數數不蘭林樂度了若來林良蘭林樂類論數數年年見蘭錄類年來歷樂數度更旅降年來念料蘭了年來不類類林年年錄數數年年見琉易林琉省見蘭類年度料蘭年蘭年年旅蘭林樂類度林蘭林樂年年兩蘭不蘭類年度類降力

11 省連省李蘭行林列行林北李北李玲玲蘭林魯理蓮省立北錄玲類蘭林例立林論蘭林樂蘭見錄流北林類北林列行林北錄類狀錄錄類狀錄龍林林李蘭行類北 99 年年 12 20

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論諸零易量零路車行不年行行年行金行年率流率行論識不易年行年行兩不兩兩行便了識易度行流識年金量更不良不便良不不行度參度度參臨數益數來行行流識率若例量度立行參行識不易料料類料論年流率益行料來度度利度度年料料