European regional assessment: Least Concern (LC) EU 27 regional assessment: Least Concern (LC) Calopteryx virgo is a common and widespread species in. Confined to southern half of Ireland. Adults fly during June and July. This and the Banded Demoiselle are the largest Irish damselfly species. The Beautiful. Calopteryx virgo virgo Trusted • Calopteryx virgo Trusted more taxon associations Calopteryx virgo britannica is a subspecies of the Beautiful Demoiselle.
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Both sexes mate several times a day for several weeks until her death. Beautiful demoiselle Male Female Scientific classification Kingdom: This is a featured picture on the German language Wikipedia Exzellente Bilder and is considered one of the finest images.
This species prefers unlike the banded demoiselle, mainly the cooler and shadier areas of the water. This can be countered by regular removal of boundary vegetation, which will also not be complete. It is brown and green algae, the water plant and the substrate is overgrown. In this species the wings of the mature male are very dark blue-black and those of the female are virgk brown-green. On the other hand, the vrgo of water by agriculture and by household wastewater causes an important factor in the decline dar.
File:Beautiful Demoiselle Calopteryx virgo male – Wikimedia Commons
Unlike the adults of the banded demoiselle you meet those of the beautiful demoiselle but also in forest clearings, but very rarely on the cakopteryx of larger ponds. It is believed that it is mainly used for communication, it also supports the ventilation in the thorax and accordingly probably also plays a role in thermoregulation of the animals.
Hence it is extremely rare to find them in viego locations, flat expiring banks, or areas with a smooth stone floor.
The males sit in their areas mostly in exposed places in the vegetation, which extends over the water, sometimes on vegetation or rocks cushions amid the waters. Males who do not occupy spots can keep themselves in the vegetation on the shore and try to mate with fly to females or to fill vacant spots.
Mating takes place in a way that for the genus Calopteryx and is typical of an eye-catching advertising behavior precedes. Above all streams in uncultivated pastures, where no regular mowing is taking place, according to the animals are not habitable.
He may receive a water surface is not completely from the plants of the marginal vegetation to be overgrown, this is done mainly by fast-growing plants such as Meadowsweet Filipendula ulmariathe stinging nettle Urtica dioica or Himalayan balsam Impatiens glandulifera.
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File:Beautiful Demoiselle Calopteryx virgo male female.jpg
Within the egg takes place, the embryonic development of the dragonfly. The male leads in this way, the female to the nesting sites “Show flight” and circled it on the water once it has settled out.
From Wikipedia, the free encyclopedia. If this happens, they clearly its long body and legs stretched as far as possible to get in touch with the vegetation or the substrate to come. Main flight period is late May to end August. These days occupy territories that they defend against other males. This is mainly because they absorb the oxygen from the water inefficient. They feed primarily on insect larvae such as those of the black flies, midges, stoneflies and mayflies, as well as amphipods.
Like all girgo predatory dragonfly larvae live. The veralgten plants are not accepted by the females as oviposition sites. The beautiful demoiselle Calopteryx virgo is a European damselfly belonging to the family Calopterygidae.
The wings are also traversed by a dense network of veins. This sensitivity qualifies it in water chemistry as a bioindicator for the assessment of water quality. They live in quieter areas between alluvial leaves or on exposed roots of the vegetation.
At the pointed end are, as with other demoiselles also a hole structure Mikropylenapparat with four holes to enable penetration of the sperm of the male.