''Leptotes pirithous'', the Lang's short-tailed blue or common zebra blue, is a
butterfly
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprise ...
of the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Lycaenidae
Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterf ...
.
Description
''Leptotes pirithous'' is a small butterfly with a
wingspan
The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan o ...
of 21–29 mm in males and 24–30 mm in females. The uppersides of the wings are purple bluish in males, bluish brown in female. The undersides are dark beige striped with white lines. The hindwings show marginal orange and black spots and two small tails. For the design of the undersides of the wings they can be confused with ''
Lampides boeticus
''Lampides boeticus'', the pea blue, or long-tailed blue, is a small butterfly that belongs to the lycaenids or gossamer-winged family.
Etymology
The Latin species name ''boeticus'' refers to Baetica, a province of the Roman Empire in the Iber ...
'' and ''
Cacyreus marshalli''. These butterflies fly from February to November depending on the location. They are regular migrants.
The larvae feed on the flowers and fruits of
Fabaceae,
Rosaceae and
Plumbaginaceae
Plumbaginaceae is a family of flowering plants, with a cosmopolitan distribution. The family is sometimes referred to as the leadwort family or the plumbago family.
Most species in this family are perennial herbaceous plants, but a few grow ...
species, including ''
Plumbago capensis'', ''
Indigofera
''Indigofera'' is a large genus of over 750 species of flowering plants belonging to the pea family Fabaceae. They are widely distributed throughout the tropical and subtropical regions of the world.
Description
Species of ''Indigofera'' are mos ...
'', ''
Rynchosia'', ''
Vigna
''Vigna'' is a genus of plants in the legume family, Fabaceae, with a pantropical distribution.Aitawade, M. M., et al. (2012)Section ''Ceratotropis'' of subgenus ''Ceratotropis'' of ''Vigna'' (Leguminosae–Papilionoideae) in India with a new ...
'', ''
Burkea'', ''
Mundulea
''Mundulea'' is a genus of flowering plants in the family Fabaceae. It includes 12 species of small trees and shrubs native to sub-Saharan Africa, Madagascar, and India. It belongs to the subfamily Faboideae.
Species
There are 12 accepted specie ...
'', ''
Melilotus
''Melilotus'', known as melilot, sweet clover, and kumoniga (from the Cumans),Bulgarian Folk Customs, Mercia MacDermott, pg 27 is a genus in the family Fabaceae (the same family that also includes the ''Trifolium'' clovers). Members are known ...
'', ''
Crataegus'', ''
Quercus suber
''Quercus suber'', commonly called the cork oak, is a medium-sized, evergreen oak tree in the section ''Quercus'' sect. ''Cerris''. It is the primary source of cork for wine bottle stoppers and other uses, such as cork flooring and as the core ...
'', ''
Medicago sativa
Alfalfa () (''Medicago sativa''), also called lucerne, is a perennial flowering plant in the legume family Fabaceae. It is cultivated as an important forage crop in many countries around the world. It is used for grazing, hay, and silage, as w ...
'', ''
Trifolium alexandrinum
''Trifolium alexandrinum'' (Egyptian clover, berseem clover) is an annual clover cultivated mostly in irrigated sub-tropical regions, and used as leguminous crop. It is an important winter crop in Egypt, where it may have been cultivated since an ...
'', ''
Arachis hypogaea
The peanut (''Arachis hypogaea''), also known as the groundnut, goober (US), pindar (US) or monkey nut (UK), is a legume crop grown mainly for its edible seeds. It is widely grown in the tropics and subtropics, important to both small and la ...
'', ''
Lythrum
''Lythrum'' is a genus of 38 species of flowering plants native to the temperate world. Commonly known as loosestrife (a name they share with ''Lysimachia'', which are not closely related), they are among 32 genera of the family Lythraceae.
Desc ...
'', ''
Calluna
''Calluna vulgaris'', common heather, ling, or simply heather, is the sole species in the genus ''Calluna'' in the flowering plant family Ericaceae. It is a low-growing evergreen shrub growing to tall, or rarely to and taller, and is found ...
'', ''
Genista
Genista is a genus of flowering plants in the legume family Fabaceae, native to open habitats such as moorland and pasture in Europe and western Asia. They include species commonly called broom, though the term may also refer to other genera, i ...
'', ''
Dorycnium
''Lotus'', a latinization of Greek '' lōtos'' (), is a genus of flowering plants that includes most bird's-foot trefoils (also known as bacon-and-eggs) and deervetches and contains many dozens of species distributed worldwide. Depending on the ...
'', ''
Lythrum salicaria
''Lythrum salicaria'' or purple loosestrifeFlora of NW Europe''Lythrum salicaria'' is a flowering plant belonging to the family Lythraceae. It should not be confused with other plants sharing the name loosestrife that are members of the family Pr ...
'', ''
Calluna vulgaris'', ''
Onobrychis viciifolia
''Onobrychis viciifolia'', also known as ''O. sativa'' or common sainfoin () has been an important forage legume in temperate regions until the 1950s. During the Green Revolution it was replaced by high yielding alfalfa and clover species. Due ...
'', ''
Ulex
''Ulex'' (commonly known as gorse, furze, or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. The species are na ...
'' and ''
Melilotus alba''. A life cycle takes about four to eight weeks, depending on the temperature.
iSimangaliso Wetland Park
iSimangaliso Wetland Park (previously known as the Greater St. Lucia Wetland Park) is situated on the east coast of KwaZulu-Natal, South Africa, about 235 kilometres north of Durban by road. It is South Africa's third-largest protected area, ...
, South Africa">
File:Common zebra blue butterflies(Leptotes pirithous pirithous) 01.jpg, ''L. p. pirithous'', 1 of 3
male on left
File:Common zebra blue butterflies(Leptotes pirithous pirithous) 02.jpg, ''L. p. pirithous'', 2 of 3
female covers male
File:Common zebra blue butterflies(Leptotes pirithous pirithous) 03.jpg, ''L. p. pirithous'', 3 of 3
.