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Queen (butterfly)

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The Queen (Danaus gilippus) is a species of butterfly. It belongs in the family Nymphalidae. It is found in North America, Central America, and South America.[1][2]

Queen
Butterfly House 2.JPG
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Nymphalidae
Subfamily:
Danainae
Tribe:
Danaini
Genus:
Danaus
Species:
D. gilippus
Binomial name
Danaus gilippus
(Cramer, 1775)

Description

The upper side of the wings is dark reddish-brown. It has black wing borders. Males have an androconium (a spot that releases scents to attract females) on each of his hind wings (bottom wings). The underside of the wings is reddish-brown. The wings have black borders. There are white spots in the black borders. The hind wing has black veins.[1]

Mimicry

The Queen is one species in a complex mimicry ring. Where their range overlaps, the appearance of these butterflies is similar. The Monarch (Danaus plexippus) is orange. It has thick, black veins.[1] The Viceroy (Limenitis archippus) is smaller. It has thick, black veins. It has a black band across the hind wing.[1] The Soldier (Danaus eresimus) has thin black veins. On the underside of the hind wing, there is a row of pale, square-shaped spots.[1]

Monarchs are bad-tasting and poisonous because they contain a chemical known as cardenolide (cardiac glycoside).[3] The chemical slows the heart-beat of vertebrates.[4] Monarch caterpillars get this chemical when they feed on milkweed.[5]

When the Monarch becomes a butterfly, it no longer eats milkweed, but it still has the chemical in its body. The butterfly shows that they are not good to eat with their bright orange and black wings. This is warning coloration. A bird may try to eat a Monarch, but it will become sick and vomit after eating it. After this experience, the bird learns not to eat another Monarch, and also any other butterfly which is similar in appearance.

The Viceroy is similar looking to the Monarch, but does not have the milkweed poison in its body. Birds that have had the bad experience of eating a Monarch will usually not eat a Viceroy. It is an example of Batesian mimicry.[6] Or so it was thought; but recent work has challenged this.[7] The difficulty in doing this kind of research is that a butterfly may be toxic in one part of its range, and good to eat in another part. A lot depends on the plants on which the eggs are laid.

The Queen

The Queen is one of many insects that derives chemical defenses against its predators from its food plant. Most of the toxic cardenolides that make queens so unpalatable to its predators are sequestered from larval host plants.[8] Basically, the Queen shares a Müllerian mimicry with the Monarch. However, the extent of its toxicity varies a great deal in different parts of its range. Micro-geographic differences in the environment lead to variation in the dynamics of mimetic relationships even at a local level.[9]

Flight period

The Queen can be seen all year in Texas, Arizona, and southern Florida.[4][10][11] It is seen from February to December in northern Florida.[10] It is seen from April to November in southern California and southern Nevada.[4]

Habitat

This butterfly can be found in open places such as open woodlands, fields, deserts, marshes, and forest edges.[4][10]

Life cycle

 
Caterpillar

The female lays her eggs singly. They are laid on the leaves, stems, and flowers of the host plant (the host plant is the plant that the caterpillar feeds on). The egg is pale green.[4] The caterpillar is banded with yellow and black. There are three pairs of black body extensions. The first pair is near the head. The second pair is on the thorax. The third pair is near the end of the body.[12] The chrysalis is green. It has gold spots. There is a black and gold band on the abdomen. It is very similar to the Monarch's chrysalis.[4] It has three or more broods (a brood is a group of offspring) per year.[1][10]

Host plants

Here is a list of host plants that the Queen caterpillar feeds on:

Queen (butterfly) Media

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Jim P. Brock and Kenn Kaufman (2003). Butterflies of North America. Houghton Mifflin, New York, NY. ISBN 0618254005
  2. ↑ Jeffery Glassberg (2007). A Swift Guide to the Butterflies of Mexico and Central America. Sunstreak Books Inc. ISBN 1424-30915-8
  3. ↑ Ruxton G.D. 2004. Avoiding attack: the evolutionary ecology of crypsis, warning signals & mimicry. Oxford University Press, p51 table 5.1. ISBN 0-19-852860-4
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 James A. Scott 1986. The Butterflies of North America. Stanford University Press, Stanford, CA. ISBN 0-8047-2013-4
  5. ↑ "ADW: Danaus plexippus: Information". Retrieved 2008-08-27.
  6. ↑ Ritland D.B. 1995. Comparative unpalatability of mimetic viceroy butterflies (Limenitis archippus) from four south-eastern United States populations. Oecologia 103: 327-336
  7. ↑ Ritland, David B.; Lincoln P. Brower 1991. The viceroy butterfly is not a batesian mimic. Nature 350 (6318): 497–498. doi:10.1038/350497a0.[1]
  8. ↑ Ritland, David B. (1991). "Palatability of aposematic queen butterflies (Danaus gilippus) feeding on Sarcostemma clausum (Asclepiadaceae) in Florida". Journal of Chemical Ecology. 17 (8): 1593–1610. doi:10.1007/BF00984691. PMID 24257883. S2CID 22781660.
  9. ↑ Moranz, Raymond; Brower, Lincoln P. (1998). "Geographic and temporal variation of cardenolide-based chemical defenses of Queen butterfly (Danaus gilippus) in Northern Florida". Journal of Chemical Ecology. 24 (5): 905–932. doi:10.1023/A:1022329702632. S2CID 23995699.
  10. ↑ 10.0 10.1 10.2 10.3 Rick Cech and Guy Tutor 2005. Butterflies of the East Coast. Princeton University Press, Princeton, NJ. ISBN 0-691-09055-6
  11. ↑ 11.0 11.1 Bob Steward, Priscilla Brodkin and Hank Brodkin 2001. Butterflies of Arizona. West Coast Lady Press, Arcata, CA. ISBN 0-9663072-1-6
  12. ↑ David L. Wagner (2005). Caterpillars of Eastern North America. Princeton University Press, Princeton, NJ. ISBN 0-691-12144-3
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