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The emperor dragonfly [2] or blue emperor [1] (Anax imperator) is a large species of hawker dragonfly of the family Aeshnidae. It is the largest dragonfly in most of Europe, including the United Kingdom, [ 2 ] although exceeded in some areas by other species.
Australian emperor laying eggs, guarded by the male in tandem position. The Australian emperor is notable as the dragonfly in which motion camouflage was studied by Mizutani et al.: males of Anax papuensis are fiercely territorial, and approach and attack rivals, the males choose a flight path that keeps their image as seen by the target still with respect to a landmark point.
Madagascar emperor male A. tumorifer. Anax (from Ancient Greek ἄναξ anax, "lord, master, king") [2] is a genus of dragonflies in the family Aeshnidae.It includes species such as the emperor dragonfly, Anax imperator.
Hine's emerald dragonfly populations are susceptible to habitat fragmentation. As of 2012, studies were being conducted to investigate barriers to Hine's emerald movement, such as roads and bridges. They studied how these barriers can influence the flight behavior and dispersal ability of the dragonflies.
Common worldwide or nearly worldwide genera are Aeshna and Anax. Anax includes some of the largest dragonflies, including the North American A. walsinghami, Hawaiian A. strenuus, European A. imperator and A. immaculifrons, and African A. tristis, but these are all exceeded by another member of the family, the Asian Tetracanthagyna plagiata, which by wingspan and weight is the world's largest ...
The dragonhunter (Hagenius brevistylus) is a clubtail dragonfly of the eastern United States and southeastern Canada.. closeup of head. The dragonfly is much larger than any other North American clubtail, at 3.3 inches (84 mm), with black and yellow markings and green eyes.
The chasers, darters, skimmers, and perchers and their relatives form the Libellulidae, the largest family of dragonflies. [2] It is sometimes considered to contain the Corduliidae as the subfamily Corduliinae and the Macromiidae as the subfamily Macromiinae.
Diplacodes bipunctata (Māori: tiemiemi) [3] is a species of dragonfly in the family Libellulidae, [4] known as the wandering percher [5] or red percher dragonfly. [ 1 ] [ 3 ] Description
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