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<strong>Butterflies</strong> <strong>and</strong> UsLesson TwoActivity Sheet 1Read the definitions <strong>and</strong> label the diagram below.Abdomen - The abdomen is the segmentedtail area of an insect that contains the heart,trachea (breathing tubes), reproductiveorgans, <strong>and</strong> most of the digestive system.Antenna - An antenna is a sensory appendagethat is attached to the head of adult insects.Antennae are used for the sense of smell <strong>and</strong>balance. <strong>Butterflies</strong> have two antennae withclubs at the end.Compound Eye - Insect compound eyes aremade up of many hexagonal lenses.Forewing - The fore wings are the two upperwings.Hindwing - The hind wings are the two lowerwings.Head - The head is the part of the insect thatcontains the brain, two compound eyes, theproboscis, <strong>and</strong> the pharynx (the start of thedigestive system). The two antennae areattached to the head.Leg - Adult Lepidoptera (butterflies <strong>and</strong>moths) have six legs. The two forelegs ofsome butterfly species are tiny.Proboscis - Adult butterflies sip nectar<strong>and</strong> other liquids using a spiral, straw-likeproboscis located on their head.Thorax - The thorax is the body sectionbetween the head <strong>and</strong> the abdomen. The legs<strong>and</strong> wings attach to the thorax.Florida Museum of Natural History http://www.flmnh.ufl.edu 13
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