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Somatochlora margarita is native to the two U.S. states of Texas and Louisiana. It is known to inhabit just 12 combined eastern Texas counties and western and central Louisiana parishes . The current known range is northwest of Houston and extends east into central Louisiana, reaching as far as Alexandria, Louisiana .
Identifying these dragonflies to species can be difficult. [4] The cerci of males, on the tip of the abdomen, are distinctively shaped in each species, as are the subgenital plates on female abdomens. In some species, the subgenital plate is large and projecting, and is used as a "pseudo-ovipositor" for inserting eggs into a substrate. [2]
Dragonflies having simple flaps shed the eggs in water, mostly in flight. Dragonflies having ovipositors use them to puncture soft tissues of plants and place the eggs singly in each puncture they make. [32] [34] [35] [36] Dragonfly nymphs vary in form with species, and are loosely classed into claspers, sprawlers, hiders, and burrowers. [17]
Tachopteryx thoreyi, commonly known as the gray petaltail and Thorey's grayback, is a species of dragonfly. It is native to the East Coast of the United States as far north as New York, as far south as Florida, and as far west as Texas. This species is the only member of the monotypic genus Tachopteryx. [2]
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 ...
Arigomphus is a genus of dragonflies of the Gomphidae family. This group is commonly called the pond clubtails. The species are fairly plain and only the males have the club-shaped abdomen. [1] Unlike other gomphids, they may emerge from artificial ponds. [2] The genus is confined to North America. [1] It contains the following species: [3] [4]
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Dragonflies are strong fliers with fairly robust bodies and they have wings that are broad near the base; at rest the wings are held out to the side. Damselflies tend to be less robust, and appear weaker in flight; their wings are narrow near the base and (in most species) held folded back over the abdomen when perched.