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The Wings of Insects: An Exposition of the Uniform Terminology of the Wing ...
John Henry Comstock
No preview available - 2018
accessory veins adult anal area anal vein appears arise basal connections base bears become branches cell chapter characteristic closely coalescence comparatively Comstock conclusion condition costal costo-radial course cross-veins cu-a cubito-anal cubitus described designated determine direction discussion distance distinct evident example exists extends fact Figure fold fore wing forked front furrow genera given greatly hind wing homologies illustrating important indicated insects known later leg tracheæ Lepidoptera less lines longitudinal margin medial trachea method modifications names nearly Needham nymph Odonata portion position posterior present preserved primitive type probable pupa radial sector radius reduced referred regarding remains represented result separate short shown side similar single specialized species stem structure subcosta supply taken termed terminology third thorax tion transverse basal trachea trunk typical usually venation wing tracheæ wing-veins