Lycaenidae

gossamer-winged butterflies, blues, coppers, hairstreaks, harvesters

Subfamily Guides

4

is the second-largest worldwide, comprising over 6,000 that constitute approximately 30% of known butterfly diversity. Members are commonly called , blues, , , or harvesters depending on . The family is distinguished by intimate ecological associations with ants, with roughly 75% of species exhibiting myrmecophily—relationships ranging from mutualistic to parasitic.

Cyanophrys miserabilis by (c) John Rosford, algunos derechos reservados (CC BY), subido por John Rosford. Used under a CC-BY license.Zizula by (c) Anne Toal, some rights reserved (CC BY). Used under a CC-BY license.Theclinae by (c) Charlie Jackson, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Lycaenidae: //laɪˈsiːɪnɪˌdeɪ//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

are small, typically under 5 cm wingspan, with wings that are often blue, green, or in coloration and sometimes display a metallic gloss. Many possess hairy, -like tails on the hindwings with black and white annulated (ringed) patterning, often accompanied by a spot at the tail base; some species rotate upon landing to present this false to . Larvae are characteristically flattened rather than cylindrical, with thickened and specialized glands including organs that produce secretions attracting ants.

Images

Habitat

Diverse including forests, grasslands, meadows, and urban areas; specific requirements vary by and . Many species depend on particular plants and associated colonies for larval development.

Distribution

Worldwide distribution with greatest diversity in tropical and subtropical regions. Present across North America, South America, Europe, Asia, Africa, and Australia.

Life Cycle

Females lay individually on plants or branches. Larvae often possess specialized glands ( glands, tentacular organs) that produce secretions for communication. frequently occurs within ant nests, with pupae sometimes turning silvery before . Adults emerge after three to four weeks and must exit ant nests before wing expansion.

Behavior

Many exhibit myrmecophily—associations with ants that may be mutualistic (larvae produce honeydew for ants in exchange for protection), parasitic (larvae feed on regurgitations or larvae within nests), or predatory. Some larvae produce vibrations and low sounds transmitted through substrates to communicate with ants. of some species rarely visit flowers, instead feeding on fermenting tree sap, honeydew from aphids and scale insects, or developing acorn exudates.

Ecological Role

of various flowering plants; complex multitrophic interactions involving plants, ants, and aphids or scale insects. Some serve as models for mimicry complexes.

Human Relevance

Popular subjects for watching and photography due to small size and often brilliant coloration. Some have served as flagship conservation targets.

Similar Taxa

  • RiodinidaeFormerly included within as Riodininae; now recognized as separate based on morphological and molecular evidence. Riodinidae typically exhibit more prominent metallic markings and different wing venation patterns.
  • NymphalidaeLargest ; distinguished by reduced, brush-like front legs that are not used for , and generally larger body size. retain functional front legs and are typically smaller.

Tags

Sources and further reading