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Petalura hesperia, more commonly known as the western petaltail [2] or giant western dragonfly, is a species of dragonfly in the family Petaluridae, originating from Western Australia. [3] It resides near the south-western coast of Australia, often observed near drainage basins. Petalura hesperia lives along streams and rivers where it lays its ...
The larvae live primarily in stream banks, mostly in burrows, but the larvae of the eastern US species, Tachopteryx thoreyi, the gray petaltail, live in depressions under wet leaves. [4] The semiaquatic habitat of the larvae makes the petaltails unique in the modern dragonfly families.
Males also have secondary genitalia (including the anterior lamina, hamuli and posterior lamina) on S2 and S3. Female damselflies and some dragonflies have a strong ovipositor on the underside of S8 and S9, but in many dragonflies the egg-laying apparatus is merely a spout, a basket, or a pair of flaps. Some species have foliations (leaf-like ...
This dragonfly is found in and around marshes, ponds and slow-moving streams throughout the eastern United States, southern Canada, the Great Plains, and the west coast of North America. This species has two separate populations in North America. One is found from Ontario east to Nova Scotia, extending south into the U.S. to Texas and Florida.
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 ...
Like all other species of dragonfly, the larvae of this species grow by moulting (in which the exoskeleton is shed) several times during development. [9] In the early stages of development, larvae preferentially inhabit sphagnum moss , which may provide a reliable source of food because the moss can trap organic matter that would otherwise sink ...
The dragonflies breed in a variety of aquatic habitats from large ponds to dikes and slow-moving rivers, but require a plentiful supply of vegetation in the water. [5] [11] They do sometimes breed in brackish water. [8] The females lay the eggs into plants such as pondweed, and always lay alone.
Coenagrionidae is a family of damselflies, also known as pond damselflies, in the order Odonata and the suborder Zygoptera. [2] The Zygoptera are the damselflies, which although less known than the dragonflies, are no less common.