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Beautiful demoiselle

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788: 895:. Females will fly over the water in search of suitable nesting places, passing through the territories of males along the way. The males will fly towards the female, demonstrating acrobatics which are only seen during courtship, and showing the underside of their abdomen. The rear three sections of the abdomen are much brighter and are presented to the female. The male will then lead the female to a nesting site and will circle the area once as the female lands. The male will then hover, waiting until the female has landed, showing her willingness to mate. The pair will arrange themselves in a "mating wheel", and mating can last between 40 seconds and 5 minutes. 278: 654: 871:
for the females. They are characterized by an increased flow and a suitable oviposition substrate in the potential breeding sites. The size of the territories and their distance apart is dependent on the population density as well as availability of suitable habitat. Males who do not occupy a territory may stay in bankside vegetation and try to fill vacant spots. Especially when only a few males are present, territorial defense is very aggressive. With a higher number of competing males, aggression decreases significantly.
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mortality and birth defect among affected individuals. This is mainly because beautiful demoiselles do not efficiently absorb oxygen from water. This differs from the banded damselfly, who have thin-skinned tracheogenic appendages which make them less sensitive fluctuations in oxygen supply. The inefficiency of their oxygen uptake is balanced by their choice of habitat, since both increased flow and cooler water increase their absorption capacity.
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Females fly over the waters throughout the day in search of suitable nesting sites, and both sexes will engage in hunting, advertising, mating and egg laying during the warm midday hours. At night, the damselflies will return to the same sunlit areas within the vegetation where they started their day.
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Males will stay in sunlit areas throughout the day, typically reaching the water in the early morning. In Central Europe, they typically arrive between 7:00 A.M. and 9:00 A.M. In shaded environments, the damselflies will arrive later, and are usually seen basking on the top of surrounding vegetation.
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Beautiful demoiselle can reach a body length of 49–54 millimetres (1.9–2.1 in), with a hindwing length of 31–37 millimetres (1.2–1.5 in). These large, dark damselflies have small, lateral, hemispherical eyes; two pairs of wings similar in shape; and a slender abdomen. The wings have a dense
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The habitat of adults corresponds to the nearby larval habitat. Unlike the adults of the banded demoiselle, beautiful demoiselle may be found in forest clearings, and very rarely on the banks of larger ponds. Trees and shrubs are used as resting places, with the beautiful demoiselle often resting on
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live in streams, and are mainly dependent on the water plants. The larvae need the stems and leaves to hold on to, especially in areas with strong currents. Because of this, it is extremely rare to find them in barren locations, flat expiring banks, or areas with a smooth stone floor. They also live
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The eggs of the beautiful demoiselle are on average 1.2 millimetres long and 0.2 millimetres wide, with a spindle-shaped structure. At the pointed end of the egg are four holes which are used by the male to inject sperm. The eggs also have a funnel-like appendix on this which allows them to project
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The males will defend their territories from exposed perches in the vegetation which extend over the water, sometimes on vegetation or rocks cushions amid the waters. From here they will survey their territory and perform a behaviour known as "wing lapping", where the wings are quickly flapped down
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Sexually mature beautiful demoiselles display pronounced territorial behavior, occupying territories that they defend against other males. Their defense consists mostly of threatening gestures, spreading their wings and being clearly visible. Optimal territories correspond to optimal nesting places
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The body of the larvae shows only a relatively small adjustment to the fast-flowing waters of their habitat. The body is not flattened, but it is very slim, and the legs are long and end with strong claws. Because they reside within the water, and mainly in quiet areas, the danger of being swept by
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due to their very narrow ecological requirements. The larvae in particular can only thrive in natural bodies of waters that have little human influence. In the largest part of their range, the species is very rare. It is completely absent in major cities and industrial centers, and even in regions
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Adult beautiful damselflies begin to emerge at the end of April, and continue until the end of September, depending on weather. Most hatching occurs from late May to late June. The transformation of larvae to adults is not synchronous and lasts throughout the season until about mid-July. The newly
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In the Middle East, the larval development of the beautiful demoiselle usually takes 6–8 weeks, mainly due to the preference for cooler waters. This is somewhat longer than that of the banded demoiselle. Larvae continue to develop over the winter, with some metamorphosing in the following year. If
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Once the eggs are laid and fertilized, the embryonic development of the damselfly begins. This was first described for the beautiful demoiselle in 1869, and was the first description of embryonic development of an insect. From outside, the development of the embryo can be see by a slight change in
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After mating, the male releases the female and proceeds to show the female the nesting site. The females abdomen will droop during a post-copulatory rest which lasts a few seconds, after which they follow the male. The eggs are laid in the stems of aquatic plants at or below the water level, where
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The larvae are much more sensitive to changes in habitat than the banded demoiselle, especially to temperature fluctuations. Only a few days of oxygen deprivation are needed for mortality to increase rapidly, and even after acceptable oxygen conditions return there will still be a higher rate of
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The development of the damselfly can be divided into three periods. First, the early development after fertilization where the basic shape of the body is formed, followed by the continued development of the body shape up until they hatch from the egg, and finally the larval development of hatched
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Another key factor for the occurrence of the larvae of the beautiful demoiselle is the temperature of the water. This species prefers cooler, shadier areas of the water, with an optimal summer average temperature between 13 and 18 °C. At temperatures above 22 °C, injuries to larvae were
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An important factor in the occurrence of beautiful demoiselles is the oxygen in the water. The larvae are much more sensitive to oxygen deficiency than the larvae of the banded demoiselle, and need sufficient oxygen saturation in the water. Waters with high levels of sediment and sludge are not a
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Compared with the larvae of the banded demoiselle, the larvae of the beautiful demoiselle prefer quieter areas of the water, since slower flows allow for a more effective absorption of oxygen underwater. Only in very rare cases are the larvae present in stagnant water. The larvae reside mainly in
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Beautiful demoiselle are distributed across all of Europe with the exception of the southwestern Iberian Peninsula, the Balearic Islands, and Iceland. In the north, it extends to the Arctic Ocean, much farther north than the banded demoiselle. Its southern populations can be found as far south as
700:. The body length varies and depends on environmental conditions. In the final stage (F-0-stage), larvae are 3.5–4.6 millimetres long and weigh about 4 milligrams, slightly smaller than those of the banded demoiselle. The larvae of the beautiful demoiselle can be recognized by the bristles of the 857:
The breeding habitats are similar to the larval habitat. They prefer cool, shady waterways, with a more or less strong current, and near-natural vegetation and bank structure. This tends to be meadow and pasture streams in the area, and rarely forest. Riparian vegetation also plays a role as a
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hatched damselflies typically stay near their hatching site for 10 days, living in the surrounding vegetation until their wings are fully colored. After this, they return to the water and begin mating. The adults only live for one season; their adult lifespan is about 40 to 50 days.
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with strongly pronounced agricultural use it is found only rarely. Because of this, the Red Data Book (1998) of Germany classifies it as endangered in some states, even in danger of extinction. This is the same in Austria, Switzerland and other Central European countries. The
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Males are territorial, and will perch on bankside plants and trees where they wait for females or chase passing insects, often returning to the same perch. Males can stray well away from water, and females live away from water unless laying eggs or seeking a mate.
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Male beautiful damselflies do not range far from their breeding, hunting, and resting areas, only going a relatively small 20–100 metres (66–328 ft). Females have been observed flying distances of up to 4 miles (6.4 km) per day.
936:). Studies have shown that this might modify the relationship between univoltine and semivoltine larvae within a body of water and clear in the course of the river and increase the water temperature moves toward univoltiner larvae. 903:, orienting them almost vertically. While the female is laying the eggs, the male waits above, defending the female against other males. Both sexes mate several times a day for several weeks until their death. 802:). In the northern part of their range, such as in Norway and Finland, they are also found near medium-sized rivers or even larger streams. The waters are usually in the immediate vicinity of forests. 939:
The larvae, like other damselflies, are predatory and feed primarily on other insect larvae. This includes the larvae of black flies, midges, stoneflies, and mayflies, and they may also feed on
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Beautiful demoiselles live mainly near small to medium-sized streams and creeks. They prefer a relatively low water temperature and a moderate to fast flow. The water must not be nutrient-rich (
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the length and shape of the egg. The upper part of the egg bulges slightly, which the lower part becomes concave. Eggs typically hatch between 20 days to one month after fertilization.
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the female can submerge for up to 90 minutes. Unlike almost all other species of damselflies, the female climbs upside down onto the stem and stabs the eggs into the stem using their
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in small natural lakes or ponds with limestone bedrock. They live in quiet areas between alluvial leaves or exposed roots. They can be found on submerged plants such as waterweed (
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and then slowly lifted. It is believed that this is mainly used for communication, however it may also help ventilate the thorax, possibly playing a role in thermoregulation.
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are stick-shaped and have long legs. They develop over a period of two years in submerged vegetation, plant debris, or roots. They usually overwinter in mud or slime.
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outwardly from the plant stem. The colour of the eggs change from a bright yellow when freshly laid to a yellow-brown or yellow brown as they age.
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See "dissemination". In: Klaus Sternberg, Rainer Buchenwald . dragonflies Baden-Württemberg, Volume 1 Eugen Ulmer Verlag, Stuttgart 2000, p 203
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the water is cooler during breeding, a greater the portion of larvae will overwinter twice, giving a development time of nearly two years (
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windbreak. Due to their broad wings, the beautiful demoiselle can be blown away by the wind more easily than other species of damselflies.
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of some waters by household or agricultural wastewater has contributed to the decline of some populations. This causes an increase in
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Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D.
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K. D. B. Dijkstra, illustrations: R. Lewington, Guide des libellules de France et d'Europe, Delachaux et Niestlé, Paris, 2007, (
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However, natural waters with low water pollution do not guarantee a suitable habitat. Fast growing plants, such as meadowsweet (
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internal network of veins, and can be transparent or uniformly colored at their basal area. This species presents an evident
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Several factors are known to impact the population of beautiful damselflies is the necessity of certain aquatic plants. The
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observed, as well as a reduced hatchability of eggs. Individual populations may adapt to permanently higher temperatures.
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Klaus Sternberg, Rainer Buchenwald . Dragonflies Baden-Württemberg, Volume 1 Eugen Ulmer Verlag, Stuttgart 2000,
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the flow is relatively low. If this happens, they stretch out to grab onto passing vegetation or substrate.
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Georg Rüppell: . The Demoiselles Europe The New Brehm library . Westarp Sciences, Hohenwarsleben 2005,
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Gerhard Jurzitza: . the cosmos-dragonfly leader Franckh Kosmos Verlag GmbH & Co., Stuttgart 2000,
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Misof, Bernhard; Anderson, Cort L.; Hadrys, Heike (2000). "A phylogeny of the damselfly genus
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Heiko Bellmann: . watching dragonflies - determine nature Verlag, Augsburg, 1993,
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The male usually has much more extensive pigmentation on the wings than other
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Females can lay up to 300 eggs at a time on floating plants, such as
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have just labeled this article as needing attention, please add
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Beautiful demoiselle mating is similar to others in the genus
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The larvae of the beautiful demoiselle develop over 10 to 12
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species in its range. In the southeast of its range (the
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Knowledge (XXG):Pages needing translation into English
748:) and a metallic green body with a bronze tip of the 720:
Immature male. The blue wing color develops with age
1428: 101:. Unsourced material may be challenged and removed. 761:), another British damselfly with coloured wings. 755:This species is similar to the banded demoiselle ( 1114:(Odonata) using mitochondrial 16S rDNA markers". 848:high herbaceous plants such as the large nettle ( 1193:10.2305/IUCN.UK.2022-2.RLTS.T165505A219967836.en 770:Morocco and Algeria. The eastern subspecies of 615:(western Mediterranean and south-west France) 1274:"Beautiful Demoiselle - Encyclopedia of Life" 920:individuals up until the formation of wings. 8: 64:Learn how and when to remove these messages 1416: 314: 290: 276: 267: 1191: 254:Learn how and when to remove this message 161:Learn how and when to remove this message 1149: 988:The beautiful demoiselle is considered 635: 508: 1293: 1291: 1289: 1287: 1163: 1161: 1159: 1157: 1155: 1153: 1116:Molecular Phylogenetics and Evolution 997:, however, considers it a species of 7: 1562:6b5b7f34-cd45-468d-8779-2037bbd2b34a 1331: 1329: 1327: 1325: 1323: 99:adding citations to reliable sources 1689:IUCN Red List least concern species 1179:IUCN Red List of Threatened Species 25: 1394:Schorr, M. and Paulson, D. 2015. 45:This article has multiple issues. 1401: 1256:"Checklist of the Italian fauna" 652: 638: 339: 177: 75: 34: 577:There are currently five known 86:needs additional citations for 53:or discuss these issues on the 1: 1719:Damselflies described in 1758 1301:Calopteryx virgo meridionalis 835:good habitat for the larvae. 646:Calopteryx virgo meridionalis 607:Calopteryx virgo meridionalis 696:, each of which ends with a 1724:Taxa named by Carl Linnaeus 1043:List of British dragonflies 586:Calopteryx virgo britannica 1740: 910:Females during oviposition 1398:. Tacoma, Washington, USA 1341:British Dragonfly Society 501: 494: 471: 464: 336:Scientific classification 334: 312: 303: 298: 289: 284: 275: 270: 1021:), the stinging nettle ( 603:(eastern Mediterranean) 594:Calopteryx virgo festiva 565:belonging to the family 1186:: e.T165505A219967836. 1168:Boudot, J.-P. (2022) . 1027:) or Himalayan balsam ( 934:semivoltine development 619:Calopteryx virgo padana 198:enhance the translation 1337:"Beautiful Demoiselle" 1215:"Beautiful Demoiselle 1128:10.1006/mpev.1999.0724 1030:Impatiens glandulifera 972: 960: 911: 888: 821:sp.), water crowfoot ( 795: 721: 628:Calopteryx virgo virgo 110:"Beautiful demoiselle" 1714:Insects of the Arctic 1709:Damselflies of Europe 970: 958: 909: 886: 879:Mating and egg laying 790: 719: 271:Beautiful demoiselle 222:to the bottom of the 192:from another language 1557:Fauna Europaea (new) 1412:at Wikimedia Commons 959:Male prior to flight 758:Calopteryx splendens 553:beautiful demoiselle 95:improve this article 27:Species of damselfly 1018:Filipendula ulmaria 824:Ranunculus fluitans 729:in colour pattern. 306:Conservation status 1396:World Odonata List 1260:www.faunaitalia.it 1242:2018-03-19 at the 973: 961: 915:Larval development 912: 889: 796: 722: 704:on their abdomen. 662:. Mounted specimen 660:C. v. meridionalis 561:) is a species of 1699:Odonata of Africa 1676: 1675: 1661:Open Tree of Life 1422:Taxon identifiers 1406:Media related to 1237:Catalogue of life 1219:(Linnaeus, 1758)" 1093:978-2-603-01639-8 746:pseudopterostigma 727:sexual dimorphism 683:banded demoiselle 632: 624:(northern Italy) 623: 614: 602: 590: 549: 548: 542: 534: 526: 525:(Linnaeus, 1758) 518: 329: 264: 263: 256: 246: 245: 231: 208: 171: 170: 163: 145: 68: 16:(Redirected from 1731: 1669: 1668: 1656: 1655: 1643: 1642: 1630: 1629: 1627:NBNSYS0000005616 1617: 1616: 1604: 1603: 1591: 1590: 1578: 1577: 1565: 1564: 1552: 1551: 1539: 1538: 1526: 1525: 1513: 1512: 1500: 1499: 1487: 1486: 1474: 1473: 1464: 1463: 1462: 1460:Calopteryx virgo 1449: 1448: 1447: 1430:Calopteryx virgo 1417: 1409:Calopteryx virgo 1405: 1382: 1371: 1365: 1364: 1361:"Fauna europaea" 1357: 1351: 1350: 1348: 1347: 1333: 1318: 1317: 1315: 1314: 1305:. 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371: 368: 367: 364: 361: 358: 357: 354: 351: 348: 347: 342: 337: 333: 327: 322: 321:Least Concern 311: 307: 302: 297: 293: 288: 283: 279: 274: 269: 266: 258: 255: 240: 237:February 2023 229: 225: 214: 206: 199: 193: 191: 186:This article 184: 180: 175: 174: 165: 162: 154: 151:February 2023 143: 140: 136: 133: 129: 126: 122: 119: 115: 112: –  111: 107: 106:Find sources: 100: 96: 90: 89: 84:This article 82: 78: 73: 72: 67: 65: 58: 57: 52: 51: 46: 41: 32: 31: 19: 1429: 1408: 1369: 1355: 1344:. Retrieved 1340: 1311:. Retrieved 1307:the original 1300: 1277: 1268: 1259: 1250: 1231: 1222: 1216: 1209: 1197:. Retrieved 1183: 1177: 1171: 1119: 1115: 1111: 1049:Bibliography 1028: 1022: 1016: 1014: 1010:algal blooms 1003: 987: 984:Conservation 978: 974: 962: 945: 938: 930: 926: 922: 918: 897: 892: 890: 873: 869: 865: 856: 849: 846: 837: 833: 831:vegetation. 829: 822: 816: 809: 797: 792: 771: 768: 765:Distribution 756: 754: 733: 731: 723: 706: 691: 676: 659: 645: 627: 618: 606: 593: 585: 576: 557: 556: 552: 550: 537: 529: 522:Agrion virgo 521: 515:von Eichwald 510: 474: 472: 456: 455: 443: 265: 250: 234: 211:{{ 204: 187: 157: 148: 138: 131: 124: 117: 105: 93:Please help 88:verification 85: 61: 54: 48: 47:Please help 44: 1583:iNaturalist 1454:Wikispecies 1199:17 February 1122:(1): 5–14. 990:stenoecious 791:Biotope of 681:. Like the 668:Description 622:Conci, 1956 589:Conci, 1952 419:Subfamily: 226:section on 190:translation 1683:Categories 1346:2023-11-04 1313:2018-03-19 1144:References 1112:Calopteryx 901:ovipositor 893:Calopteryx 734:Calopteryx 579:subspecies 573:Subspecies 444:Calopteryx 399:Suborder: 373:Arthropoda 121:newspapers 50:improve it 941:amphipods 862:Behaviour 800:eutrophic 563:damselfly 451:Species: 403:Zygoptera 359:Kingdom: 353:Eukaryota 56:talk page 1601:10347816 1468:BioLib: 1439:Wikidata 1240:Archived 1136:10764530 1037:See also 951:Hatching 496:Synonyms 483:Linnaeus 409:Family: 369:Phylum: 363:Animalia 349:Domain: 326:IUCN 3.1 224:WP:PNTCU 1575:1427037 1510:4139772 1445:Q248379 1278:eol.org 783:Biotope 778:Habitat 750:abdomen 738:Balkans 601:, 1832) 439:Genus: 429:Tribe: 393:Odonata 389:Order: 383:Insecta 379:Class: 324: ( 299:Female 135:scholar 1666:435829 1614:165505 1549:214241 1536:241222 1523:CLPXVI 1484:166214 1377:  1223:BioLib 1134:  1102:  1091:  1080:  1069:  1058:  971:Exuvia 887:Mating 818:Elodea 812:larvae 742:Turkey 694:stages 687:larvae 613:, 1853 599:Brullé 517:, 1837 137:  130:  123:  116:  108:  1640:52613 1596:IRMNG 1588:61536 1531:EUNIS 712:Adult 702:gills 698:moult 611:Sélys 285:Male 142:JSTOR 128:books 1635:NCBI 1609:IUCN 1570:GBIF 1518:EPPO 1497:Q2MC 1479:BOLD 1471:1568 1375:ISBN 1201:2023 1184:2022 1132:PMID 1100:ISBN 1089:ISBN 1078:ISBN 1067:ISBN 1056:ISBN 995:IUCN 810:The 740:and 551:The 505:List 487:1758 218:~~~~ 114:news 1653:579 1622:NBN 1505:EoL 1492:CoL 1188:doi 1124:doi 854:). 205:you 203:If 200:. 97:by 1685:: 1663:: 1650:: 1637:: 1624:: 1611:: 1598:: 1585:: 1572:: 1559:: 1546:: 1533:: 1520:: 1507:: 1494:: 1481:: 1456:: 1441:: 1339:. 1322:^ 1286:^ 1276:. 1258:. 1221:. 1182:. 1176:. 1152:^ 1130:. 1120:15 1118:. 1095:). 1001:. 752:. 581:: 485:, 59:. 1381:. 1363:. 1349:. 1316:. 1299:" 1280:. 1262:. 1225:. 1203:. 1190:: 1174:" 1170:" 1138:. 1126:: 1106:. 1084:. 1073:. 1062:. 597:( 555:( 489:) 481:( 328:) 257:) 251:( 239:) 235:( 230:. 164:) 158:( 153:) 149:( 139:· 132:· 125:· 118:· 91:. 66:) 62:( 20:)

Index

Calopteryx virgo
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"Beautiful demoiselle"
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Conservation status
Least Concern
IUCN 3.1
Scientific classification
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Eukaryota

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