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Dragonflies and damselflies[ change change source ] Dragonflies are Dragon flies one suborder of the Odonata, and their relatives, the damselfliesare in another suborder.
Many people mistake the damselfly for the dragonfly, because they look alike. Adult damselflies have thinner, more delicate bodies than those of dragonflies.
This you can see even when they are flying. When at rest, most damselflies hold their wings together above the body. Most dragonflies hold their wings horizontally.
The eyes of dragonflies are larger, and touch each other.
When laying eggs, some species go under the water to lay their eggs on a good surface. The eggs then hatch into nymphs. While in the nymph stage they eat mosquito larvae and other things. It is quite active. It can extend its jaws in front of its mouth to catch prey.
Tiny vertebrates such as tadpoles and fish are part of its diet. Some nymphs even hunt on land. They can move fast by squirting water out of the anus.
Larvae[ change change source ] The larval stage of large dragonflies may last as long as five years. In smaller species, this stage may last between two months and three years. When the larva is ready to metamorphose into an adult, it climbs up a reed or other emergent plant. Exposure to air causes the larva to begin breathing.
The skin splits at a weak spot behind the head and the adult dragonfly crawls out of its old larval skin, pumps up its wings, and flies off to feed on midges and flies.
The adult stage of larger species of dragonfly can last as long as five or six months. Dragonflies experience incomplete metamorphosis: The female dragonfly lays her fertilized eggs near or right in the water.
The naiads — which do not look much like dragonflies at all — hatch and immediately take to the water. While living in the water, the naiads eat as many aquatic insects as possible, as well as other small creatures like tadpoles and minnows.
Hidden among the plants, a naiad will lie in wait for prey to swim by.
It can then squeeze water out of the rear of its abdomen like a jet stream. This moves the naiad forward very quickly, allowing it to snatch its prey with its powerful jaws.
Some naiads even have a long lower jaw that can shoot out and grab prey. Naiads live in the water for weeks or even years in some species and undergo a series of moults to grow. When a naiad is ready for its final moult, it finds a stick or other object sticking out of the water.While living and working as a marine biologist in Maldives, Charles Anderson noticed sudden explosions of dragonflies at certain times of year.
He explains how he carefully tracked the path of a plain, little dragonfly called the globe skimmer, only to discover that it .
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It showcases my photographic efforts over the past 40 years in which birds, and more recently, dragonflies have been my primary focus. Silver Creek Aquaculture employs two professional biologists with 20 years of practical aquacultural experience. Our farm produces top quality pond raised fish for the stocking of private ponds, natural water bodies, fishing clubs and fine dining.
A gorgeous tribute to the magic and mystique of dragonflies, with intimate photographs of their entire life cycle Almost without our noticing, dragonflies dart through our world, flying, seeing, hunting, mating.
The first thoracic segment is the prothorax, bearing the front pair of legs. The joint between head and prothorax is slender and flexible, which enables the damselfly to swivel its head and to manoeuvre more freely when flying.
Illinios Butterflies, Illinois Dragonflies, Dragonflies of Illinois Butterflies of Illinois.