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==Taxonomy and phylogeny==

Butterflies are divided into seven families that contain a total of about 20,000 species.

{| class="wikitable"
|+ Butterfly families
! Family !! Common name || Characteristics || Image
|-
| [[Enwp:Hedylidae|Hedylidae]] || American moth-butterflies || Small, brown, like [[Enwp:Geometridae|geometrid moths]]; [[Enwp:Antenna (biology)|antennae]] not clubbed; long slim abdomen || [[File:Macrosoma sp (Hedylidae) (15273846876).jpg|100px]] 
|-
| [[Enwp:Hesperiidae|Hesperiidae]] || Skippers || Small, darting flight; clubs on antennae hooked backwards || [[File:Hesperia comma-01 (xndr).jpg|100px]]
|-
| [[Enwp:Lycaenidae|Lycaenidae]] || Blues, coppers, hairstreaks || Small, brightly coloured; often have false heads with eyespots and small tails resembling antennae || [[File:Maculinea arion Large Blue Upperside SFrance 2009-07-18.jpg|100px]]
|-
| [[Enwp:Nymphalidae|Nymphalidae]] || Brush-footed or four-footed butterflies || Usually have reduced forelegs, so appear four-legged; often brightly coloured || [[File:AD2009Aug01 Vanessa atalanta 01.jpg|100px]]
|-
| [[Enwp:Papilionidae|Papilionidae]] || Swallowtails || Often have 'tails' on wings; caterpillar generates foul taste with [[Enwp:osmeterium|osmeterium]] organ; pupa supported by silk girdle || [[File:Papilio troilus01.jpg|100px]] 
|-
| [[Enwp:Pieridae|Pieridae]] || Whites and allies || Mostly white, yellow or orange; some serious pests of ''[[Enwp:Brassica|Brassica]]''; pupa supported by silk girdle || [[File:Large white spread wings.jpg|100px]]
|-
| [[Enwp:Riodinidae|Riodinidae]] || Metalmarks|| Often have metallic spots on wings; often conspicuously coloured with black, orange and blue || [[File:RhetusButterfly.jpg|100px]] 
|}

== Source ==
This page is an excerpt from [https://en.wikipedia.org/wiki/Butterfly en.wikipedia.org], where it is available under [https://creativecommons.org/licenses/by-sa/4.0/ CC BY-SA 4.0].