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Close up of Monarch Butterfly hind wing and forewing showing scales and veins (Danaus plexippus), New Zealand (NZ). | Monarch butterfly, Butterfly wings, Butterfly
![The butterfly book;. Butterflies. The Life-History and Anatomy of Butterflies costal, known as the subcostal, and the other preceding the sub- median, known as the median vein. The branches of these The butterfly book;. Butterflies. The Life-History and Anatomy of Butterflies costal, known as the subcostal, and the other preceding the sub- median, known as the median vein. The branches of these](https://c8.alamy.com/comp/RG5FJA/the-butterfly-book-butterflies-the-life-history-and-anatomy-of-butterflies-costal-known-as-the-subcostal-and-the-other-preceding-the-sub-median-known-as-the-median-vein-the-branches-of-these-com-pound-veins-are-known-as-nervules-the-median-vein-always-has-three-nervules-the-nervules-of-the-subcostal-veins-branch-upwardly-and-outwardly-toward-the-costal-margin-and-the-apex-of-the-fore-wing-there-are-always-from-four-to-five-subcostal-nervules-in-the-hind-wing-the-subcostal-is-simple-the-median-vein-in-the-hind-wing-has-three-nervules-as-in-the-fore-wing-be-tween-the-subcostal-RG5FJA.jpg)
The butterfly book;. Butterflies. The Life-History and Anatomy of Butterflies costal, known as the subcostal, and the other preceding the sub- median, known as the median vein. The branches of these
The role of wing veins in colour pattern development in the butterfly Papilio xuthus (Lepidoptera: Papilionidae)
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Physical and behavioral adaptations to prevent overheating of the living wings of butterflies | Nature Communications
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