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The body of an adult butterfly or moth (the imago) has three distinct divisions, called tagmata, connected at constrictions; these tagmata are the head, thorax, and abdomen. Adult lepidopterans have four wings – a forewing and a hindwing on both the left and the right side of the thorax – and, like all insects, three pairs of legs. [11]
Müllerian mimicry was first identified in tropical butterflies that shared colourful wing patterns, but it is found in many groups of insects such as bumblebees, and other animals such as poison frogs and coral snakes. The mimicry need not be visual; for example, many snakes share auditory warning signals. Similarly, the defences involved are ...
Some reptiles, such as the sand lizard of Europe, have eyespots; in the sand lizard's case, there is a row of spots along the back, and a row on each side. [12]Many species of cat, including Geoffroy's cats, jungle cats, pampas cats, and servals, have white markings, whether spots or bars, on the backs of their ears; it is possible that these signal "follow me" to the young of the species.
Heliconius erato, or the red postman, is one of about 40 neotropical species of butterfly belonging to the genus Heliconius. It is also commonly known as the small postman, the red passion flower butterfly, or the crimson-patched longwing. It was described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. [1]
The colouration is predominantly reddish and black, and though of varying wing shape, the forewings are always elongated tipwards, hence the common name. Most longwings are found in the Tropics , particularly in South America ; only the Argynnini are quite diverse in the Holarctic .
The butterfly primarily depends on motive thrust on the powerful flapping of its forewings while the hindwings act as a balancing and steering mechanism. This flying technique gives a rather unusual look to its flight and an observer is left with the impression that it is dragging itself through the air with only the assistance of its forewings.
This butterfly also has a unique wing flashing display most often seen just after it has alighted on a leaf. It will move its hindwings down toward the leaf surface. When the hindwings are about halfway down the forewings also start moving downwards. On the upward beat both wings are moved simultaneously till the hindwings come together.
The Gulf fritillary or passion butterfly (Dione vanillae) is a bright orange butterfly in the subfamily Heliconiinae of the family Nymphalidae. That subfamily was formerly set apart as a separate family, the Heliconiidae. The Heliconiinae are "longwing butterflies", which have long, narrow wings compared to other butterflies.