幻紫(zi)斑(ban)蝶是鱗翅目(mu)斑(ban)蝶科(ke)的一(yi)種昆蟲(chong)。雄(xiong)蝶翅暗褐色(se),基部(bu)較深,向端(duan)部(bu)漸(jian)淺(qian),藍色(se)光澤弱,前翅后(hou)緣(yuan)(yuan)向外(wai)(wai)凸呈闊(kuo)弧形,中(zhong)(zhong)(zhong)室(shi)(shi)端(duan)部(bu)上(shang)和(he)下均有(you)1個(ge)白(bai)(bai)(bai)(bai)點(dian)(dian),近頂端(duan)1個(ge)不明(ming)顯,外(wai)(wai)緣(yuan)(yuan)白(bai)(bai)(bai)(bai)點(dian)(dian)列不明(ming)顯,亞端(duan)部(bu)有(you)5一(yi)6個(ge)白(bai)(bai)(bai)(bai)點(dian)(dian),在CU2室(shi)(shi)中(zhong)(zhong)(zhong)部(bu)有(you)1個(ge)短(duan)的性標斑(ban);后(hou)翅前緣(yuan)(yuan)灰(hui)白(bai)(bai)(bai)(bai)色(se),外(wai)(wai)緣(yuan)(yuan)和(he)亞外(wai)(wai)緣(yuan)(yuan)白(bai)(bai)(bai)(bai)點(dian)(dian)列不顯。翅反(fan)面棕色(se);前翅后(hou)緣(yuan)(yuan)灰(hui)白(bai)(bai)(bai)(bai)色(se)有(you)光澤,中(zhong)(zhong)(zhong)室(shi)(shi)內和(he)外(wai)(wai)各(ge)有(you)1個(ge)白(bai)(bai)(bai)(bai)點(dian)(dian);后(hou)翅外(wai)(wai)緣(yuan)(yuan)和(he)亞外(wai)(wai)緣(yuan)(yuan)各(ge)有(you)1列白(bai)(bai)(bai)(bai)斑(ban),中(zhong)(zhong)(zhong)室(shi)(shi)內有(you)1個(ge)白(bai)(bai)(bai)(bai)點(dian)(dian),中(zhong)(zhong)(zhong)室(shi)(shi)端(duan)部(bu)外(wai)(wai)附近有(you)白(bai)(bai)(bai)(bai)點(dian)(dian)。
幻紫斑蝶是(shi)偏南(nan)方種類,它的翅(chi)面在陽(yang)光(guang)下會發出紫色熒光(guang),這在美(mei)學上具有很高價值。該(gai)蝶可(ke)取食(shi)夾竹(zhu)桃Neirum idnicum和(he)小葉(xie)榕Ficus microphylla。
國內分(fen)布:廣東、廣西(xi)、海南(nan)、云南(nan)。
國外分(fen)布:印(yin)度、尼泊爾、錫會、緬甸、馬來西亞、印(yin)度尼西亞、菲律賓、斯(si)里蘭卡等。
2022年(nian)6月,西藏(zang)自治(zhi)區吉隆縣及(ji)周圍(wei)地區發現幻紫斑蝶指名(ming)亞種(zhong)。
雄蝶翅(chi)(chi)暗(an)褐(he)色,基部較(jiao)深,向端部漸淺,藍色光澤弱,前翅(chi)(chi)后緣(yuan)(yuan)向外(wai)凸呈闊弧形,中(zhong)室端部上和下均有(you)1個(ge)(ge)(ge)白(bai)點(dian)(dian),近(jin)(jin)頂端1個(ge)(ge)(ge)不(bu)明(ming)顯(xian)(xian),外(wai)緣(yuan)(yuan)白(bai)點(dian)(dian)列(lie)不(bu)明(ming)顯(xian)(xian),亞端部有(you)5一6個(ge)(ge)(ge)白(bai)點(dian)(dian),在CU2室中(zhong)部有(you)1個(ge)(ge)(ge)短(duan)的性標(biao)斑(ban);后翅(chi)(chi)前緣(yuan)(yuan)灰白(bai)色,外(wai)緣(yuan)(yuan)和亞外(wai)緣(yuan)(yuan)白(bai)點(dian)(dian)列(lie)不(bu)顯(xian)(xian)。翅(chi)(chi)反面棕色;前翅(chi)(chi)后緣(yuan)(yuan)灰白(bai)色有(you)光澤,中(zhong)室內和外(wai)各有(you)1個(ge)(ge)(ge)白(bai)點(dian)(dian);后翅(chi)(chi)外(wai)緣(yuan)(yuan)和亞外(wai)緣(yuan)(yuan)各有(you)1列(lie)白(bai)斑(ban),中(zhong)室內有(you)1個(ge)(ge)(ge)白(bai)點(dian)(dian),中(zhong)室端部外(wai)附(fu)近(jin)(jin)有(you)白(bai)點(dian)(dian)。
雄雌色(se)彩斑紋(wen)基本相似,但雌蝶前翅后緣平直(zhi),無性標斑。
幻(huan)紫斑蝶喜產(chan)卵于夾竹桃(tao)和小(xiao)葉(xie)榕的葉(xie)面上,散產(chan)。
初(chu)孵(fu)幼蟲(chong)從(cong)卵殼出來后,先取食(shi)卵殼,然后再取食(shi)夾竹桃或小(xiao)葉(xie)(xie)榕嫩(nen)葉(xie)(xie)。幼蟲(chong)一(yi)般從(cong)葉(xie)(xie)片邊緣開始取食(shi),咬(yao)食(shi)成一(yi)個小(xiao)圓孔。初(chu)孵(fu)幼蟲(chong)有時會取食(shi)鄰處的卵。幼蟲(chong)集體(ti)飼(si)養有自相殘殺現象。
蛹在羽化(hua)前變為淡黑色,半個(ge)小(xiao)時(shi)內可以(yi)羽出(chu)。成(cheng)蟲羽出(chu)后約1一2個(ge)小(xiao)時(shi)才展翅完全,此時(shi)活動能(neng)力很(hen)強,可喂10%的蜜糖(tang)水補充(chong)營養。
幻紫斑蝶是以(yi)成蟲越(yue)冬。在廣(guang)州地區(qu),成蟲在3月下旬(xun)(xun)至4月上旬(xun)(xun)開始(shi)活動,在6一10月份時歷期為23一30天,到11月下旬(xun)(xun)成蟲不(bu)產(chan)卵,進人越(yue)冬狀態(tai)。每(mei)年6一8個世代(dai)。
寄(ji)主(zhu):夾竹桃Neirum idnicum和小葉(xie)榕Ficus microphylla