scent sensilla

anatomy

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In lepidopteran: Courtship and mating
…are detected by structures (scent sensilla) on the male’s antennae. Males with very large, feathery antennae, such as those of the giant silkworm moths, can locate females from 5 to 6 km (3 to 4 miles) away and may form courting swarms about them. A species may have a…
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In lepidopteran: Head
…with many microscopic receptors (sensilla) for detecting odours. In most moths the antennae are slender and tapering, although in some the surface area of the antennae is greatly enlarged by many side branches that make them comblike or featherlike. In skippers and butterflies the terminal part is expanded into…
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