天气预报 > 生活 > 大蟑螂和小蟑螂的区别
大蟑螂和小蟑螂的区别
更新时间: 2019-03-15 00:00:00  

体长差异:小蟑螂体长约10—15mm,差不多跟人的尾指般大小,大蟑螂长约为27—40mm,它跟我们人体的大拇指般大。

体色差异:小蟑螂体色为茶褐色,雌虫色略深,大蟑螂为红褐色。

名字差异:大蟑螂的学名叫美洲大蠊,小蟑螂的学名叫德国小蠊。

形态差异:德国小蠊翅发达,雄成虫的翅接近腹端,雌成虫的翅超过腹端,前翅狭长,超过腹端,质稍厚实,后翅无色透明,臀域纵脉呈褐色,横脉无色;美洲大蠊的雄虫翅远超腹部末端,雌虫翅仅稍稍超过腹末,前翅呈红褐色,后翅径域至肘域呈淡黄色,半透明,臀部无色透明,脉纹呈黄褐色。

关键词: 蟑螂 区别

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