439pDpNJzXg world.huanqiu.comgallery预警!300亿只蝉将从地底涌出侵袭美国/e3pmh22ph/e3pn6efsl1621224485339责编:刘艳君ICphoto162122448533911[]{"audio":{"members":[]},"gallery":{"members":[{"desc":"当地时间2021年5月报道,美国东部地区日前发布蝉群预警,称300亿只蝉即将破土而出,提醒民众提早做好防御措施。这种学名“布鲁德X蝉”原产自北美洲,是当地特有物种,体长2.5公分,翅膀半透明褐色,眼睛呈红色,其幼虫会在树根处的泥土里蛰伏17年,吸食树根汁液为生,羽化成蝉的那刻从地底集体钻出,在地面繁殖后死亡,因此也被称为“17年蝉”。专家称 “17年蝉”出土几周后就会消失,不会给农作物带来较大伤害,建议大家平常心对待。","height":683,"id":"c95c7a60e68ffcb52d60d0b0f0aeb58du5","mime":"image\/jpeg","size":204.57,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/c95c7a60e68ffcb52d60d0b0f0aeb58du5.jpg","width":1024},{"desc":null,"height":683,"id":"43891c1da0051f36b4468b6ab0ce6237u5","mime":"image\/jpeg","size":132.31,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/43891c1da0051f36b4468b6ab0ce6237u5.jpg","width":1024},{"desc":null,"height":683,"id":"26b5fb4f722c0f3a82fcf9f9b03a9daau5","mime":"image\/jpeg","size":236.24,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/26b5fb4f722c0f3a82fcf9f9b03a9daau5.jpg","width":1024},{"desc":null,"height":1024,"id":"53c8bb20fc157161579834edd2d14839u5","mime":"image\/jpeg","size":181.9,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/53c8bb20fc157161579834edd2d14839u5.jpg","width":683}]},"video":{"members":[]}}//img.huanqiucdn.cn/dp/api/files/imageDir/43891c1da0051f36b4468b6ab0ce6237u5.jpg