環(huan)蝶科,Amathusiidae,昆蟲綱鱗翅(chi)目的一個科。環(huan)蝶科蝴蝶屬(shu)中至(zhi)大(da)型種(zhong)(zhong)類;它分布(bu)在亞洲(zhou)、澳(ao)洲(zhou)、印度(du)和南(nan)美,顏色多(duo)為黃褐(he)色或灰褐(he)色,色彩(cai)多(duo)數(shu)暗而(er)不(bu)鮮(xian)艷,少數(shu)種(zhong)(zhong)類具(ju)有藍色斑(ban)(ban)紋(wen)(wen)(wen)。環(huan)蝶雙翅(chi)的面積較大(da),蟲體較小,翅(chi)腹面常(chang)具(ju)有圓形斑(ban)(ban)紋(wen)(wen)(wen),并因此而(er)得名。根據(ju)記載(zai),全世(shi)界的環(huan)蝶共(gong)有約200種(zhong)(zhong),我國有13種(zhong)(zhong),而(er)廣(guang)東則有9種(zhong)(zhong)。本科蝴蝶多(duo)屬(shu)中型至(zhi)大(da)型的蝶種(zhong)(zhong)。常(chang)以灰褐(he)、黃褐(he)色為基調,飾有黑、白色彩(cai)的斑(ban)(ban)紋(wen)(wen)(wen)。
環蝶眼有(you)(you)毛,觸(chu)角細長,棒狀部細;成蟲觸(chu)角較短,末端部分逐漸加粗,但不(bu)明顯;前(qian)足退(tui)化,收縮不(bu)用,雄性為(wei)一跗節(jie),后翅(chi)有(you)(you)香鱗區;雌(ci)性4至5跗節(jie),爪全退(tui)化。
兩翅(chi)(chi)面積較(jiao)大(da),蟲體(ti)較(jiao)小(xiao);前翅(chi)(chi)近(jin)似(si)三角形;中室為(wei)閉式,后角向外突出;前翅(chi)(chi)R脈4至5分支,R2至R5共(gong)(gong)長柄;M1與R脈不共(gong)(gong)柄;A脈只有1條(2A)。后翅(chi)(chi)近(jin)圓形;中室為(wei)開(kai)式;肩區(qu)具(ju)肩橫脈(h);內緣臀區(qu)非常(chang)的發達,A脈有2條(2A及3A),兩翅(chi)(chi)反面近(jin)亞(ya)外緣常(chang)具(ju)多數環狀斑紋(wen)。