綜合描述
細紋豆莢野螟(Maruca amboinalis)是草螟科(Crambidae)斑野螟亞科(Spilomelinae)的成員。本種的前翅為黑褐色底,沿前緣3/4為黃褐色,中室前端有一個銀白色小斑;後翅為白色底,頂角有一塊黑褐色斑延伸至外緣約1/2處,外中線為一條黑色波狀線。豆莢野螟屬(Maruca)全世界僅記錄不到十種,臺灣共記錄兩種,除了本種外,還有豆莢螟(M. vitrata)。
A Brief Introduction:
Maruca amboinalis represents one of the two Maruca species in Taiwan and could be distinguished from M. vitrata, the other Maruca species in Taiwan, by the following characters: 1.only one undeveloped white spot on forewing; 2. round dark-brown marking on hindwing.
Maruca amboinalis represents one of the two Maruca species in Taiwan and could be distinguished from M. vitrata, the other Maruca species in Taiwan, by the following characters: 1.only one undeveloped white spot on forewing; 2. round dark-brown marking on hindwing.