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Adult dragonflies have a high male-biased ratio at breeding habitats. The male-bias ratio has contributed partially to the females using different habitats to avoid male harassment. As seen in Hine's emerald dragonfly ( Somatochlora hineana ), male populations use wetland habitats, while females use dry meadows and marginal breeding habitats ...
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 ...
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 ...
Adults don't live long comparatively, perhaps a few weeks or months, and for this reason, Serafice says, dragonflies may also serve as a reminder to be present, enjoy life to the fullest and live ...
The common darter (Sympetrum striolatum) is a dragonfly of the family Libellulidae native to Eurasia. It is one of the most common dragonflies in Europe, occurring in a wide variety of water bodies, though with a preference for breeding in still water such as ponds and lakes. In the south of its range adults are on the wing all year round.
Several characteristics distinguish adult Hine's emeralds from other dragonfly species. An adult Hine's emerald has a distinctive dark-green thorax with two yellow lateral stripes. [10] [9] Hine's emeralds also have uniquely shaped male and female reproductive structures. [9] A Hine's emerald's eyes are brown during the first 1–3 days of ...
[35] [36] The representation was limited to the dragonfly with grasses. Botswana published a six-thebe stamp showing the front of a blue dragonfly on a green background. [37] Wallis and Futuna published another stamp on 4 August 1998, a 36F with the dragonfly shown flying on a yellowish background. It has Michel number 736 and appeared together ...
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