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昆虫纲概述( Class Insecta)

昆虫纲概述( Class Insecta). 种类最多,量最大,与人类关系最密切 昆虫纲的主要特征: 体分头、胸、腹,有触角 1 对, 有足 3 对. 一、形态( Morphology). 头部( head) 触角( antenna ), 复眼( complex eye ), 单眼( single eye ),口器( mouth parts ),下颚须(或称触须 maxillary palp) 、下唇须 (labial palp) 口器类型: 咀嚼式( biting) 刺吸式 (piercing and sucking)

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昆虫纲概述( Class Insecta)

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  1. 昆虫纲概述(Class Insecta) 种类最多,量最大,与人类关系最密切 昆虫纲的主要特征: 体分头、胸、腹,有触角 1 对, 有足 3 对

  2. 一、形态(Morphology) • 头部(head) 触角(antenna), 复眼(complex eye), 单眼(single eye),口器(mouth parts),下颚须(或称触须 maxillary palp)、下唇须 (labial palp) 口器类型: 咀嚼式(biting) 刺吸式 (piercing and sucking) 舐吸式 (lapping) • 胸部(thorax)分前、中、后胸 足 3 对,分节, 翅 1 对 • 腹部 (abdomen) 11节组成

  3. 咀嚼式口器 舐吸式口器 刺吸式口器

  4. 二、发育与变态(Growth and Metamorphosis) • 发育 • 变态全变态(complete metamorphosis) 不全变态(incomplete metamorphosis) 孵化(eclosion/hatching) 龄期 (stadium) 化蛹 (pupation) 羽化 (emergence)

  5. 双翅目 (Diptera) • 蚤目 (Siphonaptera) • 虱目 (Anoplura) • 蜚蠊目 (Blattaria) • 半翅目 (Hemiptera) • 鳞翅目 (Lepidoptera) • 鞘翅目 (Coleoptera) • 膜翅目 (Hymenoptera) • 直翅目 (Orthoptera) 三、与医学有关的重要医学昆虫

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