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Lepidoptera

Butterflies; Moths; Skippers; Caterpillars; Borers; Webworms; Cankerworms; Bagworms

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Limenitis arthemis astyanax, adult
© John Pickering, 2006-2009
Limenitis arthemis astyanax, adult
Junonia coenia
© John Pickering, 2006-2009
Junonia coenia

Utetheisa bella, larva
© Dave Wagner, 2002
Utetheisa bella, larva
Kinds

Overview
Butterflies and moths are in the order Lepidoptera. They can be readily identified from other insects by the scales on their wings. Lepidoptera, being derived from Greek, means "wings of scale." Their life cycle has four stages: egg, larva (caterpillar), pupa (chrysalis) and adult. Most butterflies fly during the day; most moths fly at night. In terms of species numbers, Lepidoptera is among the four largest insect orders, the others being the Coleoptera (beetles), Diptera (flies) and Hymenoptera (ants, bees, wasps & sawflies). Worldwide there are probably about 300,000 species of Lepidoptera, of which only an estimated 14,500 or about 5% are butterflies. With an estimated 6,000 species, the New World is rich in butterflies. In North America, there are over 11,000 described Lepidoptera species, including 679 butterflies.

Identification

Phylogeny
Taxonomic Category Scientific Name Common Name
Phylum Arthropoda Arthropods
Class Insecta Insects
Order Lepidoptera Lepidoptera
Suborder FRENATAE
Division MACROLEPIDOPTERA
  • Bombycoidea -- Bombycidae, Lasiocampidae, Zanolidae
  • Drepanoidea -- Drepanidae, Thyatiridae
  • Geometroidea -- Geometridae
  • Hesperioidea - Hesperiidae, Megathymidae (skippers)
  • Papilionoidea - Danaidae, Heliconiidae, Libytheidae, Lycaenidae, Nymphalidae, Papilionidae, Parnassiidae, Pieridae, Riodinidae, Satyridae, (butterflies)
  • Noctuoidea -- Agaristidae, Arctiidae, Ctenuchidae, Dioptidae, Liparidae, Manidiidae, Noctuidae, Nolidae, Notodontidae, Pericopidae
  • Saturnioidea -- Citheroniidae Saturniidae
  • Sphingoidea -- Sphingidae
  • Uranioidea -- Epiplemidae Lacosomidae
Division MICROLEPIDOPTERA
  • Cycnodioidea -- Douglasiidae, Elachistidae, Heliozelidae
  • Gelechioidea -- Blastobasidae, Cosmopterygidae, Epermeniidae, Ethmiidae, Gelechiidae, Oecophoridae, Stenomidae
  • Incurvarioidea -- Incurvariidae
  • Pyralidoidea -- Alucitidae Pterophoridae Pyralidae Thyrididae
  • Nepticuloidea -- Nepticulidae
  • Tineoidea -- Acrolophidae Coleophoridae Gracilariidae Lyonetiidae Oinophilidae Opostegidae Psychidae Tineidae Tischeriidea
  • Tortricoidea -- Carposinidae Cossidae Olethreutidae Phaloniidae Tortricidae
  • Yponomeutoidea -- Aegeriidae Glyphipterygidae Heliodinidae Plutellidae Scythridae Yponomeutidae
  • Zygaenoidea -- Dalceridae Epipyropidae Limacodidae Megalopygidae Pyromorphidae


Suborder JUGATAE - jugate moths Eriocraniidae Hepialidae Micropterygidae


Photographs

Geographic distribution

Natural history

How to encounter

Links to other sites

References
  • Scott. J. A. 1986. The Butterflies of North America: A Natural History & Field Guide. Stanford University Press, Stanford, California.

Acknowledgements
John Pickering, University of Georgia, Athens

I thank Cassie Lloyd, Sharon Ballew, and Kamelia Dari for technical support in developing the Lepidoptera pages; Sharon Ballew, Becca Haynes and numerous other University of Georgia undergraduates for help photographing specimens; Nancy Lowe for illustrations; Cecil Smith, Georgia Museum of Natural History, for loaning us specimens; and Gladys Cotter and Annie Simpson, USGS-NBII, for financial support and encouragement.

Updated: 27 February, 2007



Following modified from Insect Collection, University of Guelph
   
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Order - LEPIDOPTERA
(Greek, lepid = scale; pteron = wing)
Common Names: moths and butterflies
Distribution: Cosmopolitan
Suborders: Zeugloptera and Glossata

Description
Most adult butterflies and moths are easily recognized by their scaled wings, but this diverse order includes some very small forms that might be difficult for an inexperienced person to recognize. Several different kinds of moths have wingless adult females, and these too might present some identification problems.

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Following modified from Lucid via Discover Life
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A grass yellow butterfly
A beautiful day-flying moth
A grass blue butterfly
A skipper
A hawk moth

Order - LEPIDOPTERA
(Greek, lepid = scale; pteron = wing)
Common Names: moths and butterflies
Distribution: Cosmopolitan
Suborders: Zeugloptera and Glossata

Description
Most species within the Lepidoptera are readily distinguished by the characteristic coiled proboscis used for nectar feeding. Large compound eyes and simple eyes (ocelli) are frequently present. Two pairs of wings are present and these are often brilliantly coloured or have spectacular patterns or shapes. The colours are produced by minute scales which cover the wing surface and give rise to the order name.

At rest, moths usually carry their wings spread flat or held together to resemble the sloping sides of a house roof; butterflies usually carry their wings held flat together over the body. Butterflies are more active during the day while moths are more active from dusk and onwards into the night hours. The antennae are smooth and terminate in small clubs in all butterflies, while in moths, the antennae are usually comb or brush-like. Mating in most species involves sex scents (pheromones) to attract the males to the females.


Larva
The life cycle always involves metamorphosis from egg to larva (caterpillar) to pupa and finally adult insect. The pupa or chrysalis may be protected by a cocoon of silk threads or be naked and simply suspended from a leaf or stem.


Members
Moths, butterflies.


Food
Living plant tissue is most commonly eaten by most caterpillars. However, some species are predators (for example one species infests green tree ant nests in tropical Australia) and still others are scavengers on such materials as wool. Adults are mostly nectar feeding but will also take honeydew or sugar rich plant exudates. Some species are known to use nitrogenous animal wastes.


Importance
Both moths and butterflies are extremely important as pollinators, and they also form a very useful part of the food chains of insectivores (spiders, birds, geckoes, etc.). Various species are extremely important pests and cause large amounts of damage to various crops: bananas, cacao (cocoa), citrus, coconut, coffee, maize, potato, rice, sugar cane and tomato.

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Updated: 2009-11-23 03:19:34 gmt
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