... 常見嘅細隻甲蟲。全世界已知嘅瓢蟲物種總共有超過 6,000 種咁多,而且佢哋分佈廣泛,喺所有熱帶至溫帶種得到農作物嘅地區-包括嶺南地區同英格...
article - 瓢蟲

瓢蟲粵拼piu1 cung4英式英文ladybird美式英文ladybug / lady beetle學名Coccinellidae,即係拉丁文入面「鮮紅」噉解),廣州香港又有叫金龜,係一好常見嘅細隻甲蟲。全世界已知嘅瓢蟲物種總共有超過 6,000 種咁多,而且佢哋分佈廣泛,喺所有熱帶溫帶種得到農作物嘅地區-包括嶺南地區同英格蘭等地在內-都會見到佢哋嘅蹤影。

瓢蟲有獨特易認嘅外形:佢哋通常係 0.8 到 18 毫米(0.03 到 0.71 )長,喺外觀上最樣眼嘅特徵係身體圓碌碌噉形,喺背脊嗰度有色水好鮮艷嘅翼鞘-瓢蟲嘅背脊通常係或者紅色做底兼且帶有黑色斑點或者條紋嘅,而同埋觸角就多數係黑鼆鼆噉嘅色,亦都有一部份瓢蟲物種係色水冇咁樣眼嘅,例如十二斑褐菌瓢蟲Vibidia duodecimguttata)就係背脊啡色底帶有白色斑點嘅。

多數物種嘅瓢蟲都屬益蟲:對農夫嚟講,瓢蟲通常都係佢哋樂於見到嘅生物;噉係因為瓢蟲係食肉嘅,會食一啲細隻嘅食草昆蟲(例如係蚜蟲),而瓢蟲食嗰啲食草昆蟲當中好多都係會食同破壞農作物嘅-所以瓢蟲間接幫手保護咗好多農作物,對農夫有利;不過,亦有部份物種嘅瓢蟲係害蟲,好似係食植瓢蟲Epilachninae)呢個嘅瓢蟲噉,佢哋係食草嘅-會食走薯仔等農作物嘅,當佢哋啲天敵數量減少嗰陣時,呢啲物種嘅瓢蟲數量會突然暴增,對農作物可以造成嚴重損害。


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