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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 ...
A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of dragonflies are known. About 3,000 extant species of dragonflies are known.
Odonata (dragonflies and damselflies) are insects with an incomplete metamorphosis (hemimetabolous). The aquatic larva or nymph hatches from an egg, and develops through eight to seventeen instars before leaving the water and emerging as the winged adult or imago .
The Cordulegastridae are a family of Odonata (dragonflies) from the suborder Anisoptera.They are commonly known as spiketails. [2] Some vernacular names for the species of this family are biddie and flying adder. [3]
It is a medium sized dragonfly with brown-capped grey eyes. Its thorax is cinereous, marbled and peppered with black in a very irregular manner. Wings are transparent with dual color pterostigma, black at centre and pure white at distal and proximal ends. Abdomen is coloured very similarly to thorax; black marbled with yellow, but with a more ...
Hine's emerald dragonfly (Somatochlora hineana), for example, is an endangered species in the United States. Corduliidae are known to occasionally take quantities of their eggs at the tip of their stomach, before then sticking their eggs in mud or water using a sprout-like appendage that extends from their abdomens.
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 ...
Checklist of Odonata (Insecta) of India. Version 3.0. zsi.gov.in. Prasad, M. & Varshney R.K. (1995). A checklist of the Odonata of India including data on larval studies. Oriental Insects 29: 385-428. K.A.Subramanian (2005) Dragonflies and Damselflies of India-A field guide .