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  2. External morphology of Odonata - Wikipedia

    en.wikipedia.org/wiki/External_morphology_of_Odonata

    The wings have a network of veins; between the veins the wings are generally transparent, but may be partly colored. [1] In most Odonata there is a structure on the leading edge near the tip of the wing called the pterostigma. This is a thickened, hemolymph–filled and often colorful area bounded by veins.

  3. Dragonfly - Wikipedia

    en.wikipedia.org/wiki/Dragonfly

    Dragonfly wings behave highly dynamically during flight, flexing and twisting during each beat. Among the variables are wing curvature, length and speed of stroke, angle of attack , forward/back position of wing, and phase relative to the other wings.

  4. Odonata - Wikipedia

    en.wikipedia.org/wiki/Odonata

    Odonata is an order of predatory flying insects that includes the dragonflies and damselflies (as well as the Epiophlebia damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with large compound eyes together and wings spread up or out at rest, while damselflies (suborder Zygoptera) are usually more slender with eyes placed apart and ...

  5. Insect wing - Wikipedia

    en.wikipedia.org/wiki/Insect_wing

    Wing structure and colouration often vary with morphs, such as in the aphids, migratory phases of locusts and polymorphic butterflies. At rest, the wings may be held flat, or folded a number of times along specific patterns; most typically, it is the hindwings which are folded, but in a few groups such as the vespid wasps, it is the forewings.

  6. Pterostigma - Wikipedia

    en.wikipedia.org/wiki/Pterostigma

    Wing of a dragonfly, showing the pterostigma Wings of a snakefly. The pterostigma (plural: pterostigmata) is a group of specialized cells in the outer wings of insects, which are often thickened or coloured, and thus stand out from other cells.

  7. Insect flight - Wikipedia

    en.wikipedia.org/wiki/Insect_flight

    Starting from the clap position, the two wings fling apart and rotate about the trailing edge. The wings then separate and sweep horizontally until the end of the downstroke. Next, the wings pronate and utilize the leading edge during an upstroke rowing motion. As the clap motion begins, the leading edges meet and rotate together until the gap ...

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  9. Eastern amberwing - Wikipedia

    en.wikipedia.org/wiki/Eastern_amberwing

    The eastern amberwing (Perithemis tenera) is a species of dragonfly in the family Libellulidae. It is very small, reaching a total length of no more than 25 millimetres (0.98 in). The males have orange or amber wings. Both sexes have a red pterostigma. [5] The eastern amberwing dragonfly is one of the only types of dragonfly that actively ...