Hypolycaena erylus

Common tit
	H. e. teatus, Thailand
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Lycaenidae
Genus:	Hypolycaena
Species:	H. erylus
Binomial name
	Hypolycaena erylus; (Godart, 1823)
Subspecies
	Many, see text
Synonyms
	Polyommatus erylusGodart, [1824]; Hypolycaena teatusFruhstorfer, 1912;

Last updated June 05, 2022

Hypolycaena erylus, the common tit,^[1]^[2] is a small but striking butterfly found in India and South-East Asia ^[3]^[4] that belongs to the lycaenids or blues family. The species was first described by Jean-Baptiste Godart in 1823.

Range

Bangladesh, Nepal, Sikkim, Myanmar, Cambodia, Thailand, Laos, Vietnam, southern Yunnan, Java, Lombok, Peninsular Malaysia, Sumatra, Borneo, Andamans, Nias, Sulawesi, Philippines, Sula, Bachan, Halmahera, Obi, Bismarck Archipelago and Waigeu.^[1]

Status

Common.^[3]^[4] Not rare as per Haribal.^[5]

Description

The underside of both sexes is pale greyish brown. The underside hindwing does not have a spot in the basal area of 7. The butterfly has two tails - a 6 mm long one at V1 and a 5 mm long tail at V2. The markings include:^[5]

a double bar at end-cell
a regular discal line on the forewing
a broken, less regular line on the hindwing

The male butterfly is pale blue to dark brown above, dark shining purple depending on the light. It has a black border with the upper forewing having a large black discal area of modified scales.^[5]

The female butterfly is dark brown and its hindwing has a white disconnected discal band above the tornus. The butterfly also has a white-edged tornal black spot in 2.^[5]

Underside
Upperside
Upperside left, underside right

Subspecies

The butterfly has a number of subspecies of which one, H. e. himavantus (Fruhstorfer), is found in mainland India while another H. e. andamana Moore is found in the Andamans.^[5] All subspecies are:

H. e. erylus (Java)
H. e. pupienusFruhstorfer, 1912 (Lombok)
H. e. teatusFruhstorfer, 1912 (southern Thailand, Peninsular Malaya, Sumatra, Borneo)
H. e. himavantusFruhstorfer, 1912 (Nepal, Sikkim to Myanmar, Thailand, Laos, Vietnam, southern Yunnan)
H. e. andamanaMoore, 1877 (Andamans)
H. e. syphaxFruhstorfer, 1912 (Nias)
H. e. gamatiusFruhstorfer, 1912 (Sulawesi) (= H. e. pigresFruhstorfer, 1912 (Obi))
H. e. tmolusC. Felder & R. Felder, 1862 (Philippines)
H. e. orsiphantusFruhstorfer, 1912 (Philippines: Basilan)
H. e. aimnestusFruhstorfer, 1912 (Palawan)
H. e. georgiusFruhstorfer, 1912 (Sula)
H. e. thyriusFruhstorfer, 1912 (Bachan, Halmahera)
H. e. moutoniRibbe
H. e. figulusFruhstorfer, 1912 (Waigeu)
H. e. ernaKalis, 1933 (Bismarck Archipelago)

Habits

The butterfly is abundant at low elevations. Males are known to cluster at damp patches while the females are rarely seen.^[5]

Food plants

Recorded on Meyna pubescens in India.^[5]

Gallery

H. e. gamatius male
H. e. gamatius female
H. e. thyrius male
H. e. thyrius female
Unknown male subspecies
Unknown female subspecies
Unknown female subspecies

Cited references

1 2 Savela, Markku (18 December 2018). "Hypolycaena erylus (Godart, [1824])". Lepidoptera and Some Other Life Forms. Retrieved 13 January 2020.
↑ Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Hypolycaena erylus". The Global Lepidoptera Names Index . Natural History Museum . Retrieved 20 April 2018.
1 2 Evans, W. H. (1932). The Identification of Indian Butterflies (2nd ed.). Mumbai, India: Bombay Natural History Society. p. 294, ser no H80.3.
1 2 Wynter-Blyth, Mark Alexander (1957). Butterflies of the Indian Region. Bombay, India: Bombay Natural History Society. pp. 253–254. ISBN 978-8170192329.
1 2 3 4 5 6 7 Haribal, Meena (1992). The Butterflies of Sikkim Himalaya and Their Natural History. Gangtok, Sikkim, India: Sikkim Nature Conservation Foundation. p. 107.

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References

Bingham, C. T. (1907). The Fauna of British India, Including Ceylon and Burma: Butterflies Volume II. London: Taylor and Francis, Ltd.
Evans, W. H. (1932). The Identification of Indian Butterflies (2nd ed.). Mumbai, India: Bombay Natural History Society.
Haribal, Meena (1992). The Butterflies of Sikkim Himalaya and Their Natural History. Gangtok, Sikkim, India: Sikkim Nature Conservation Foundation.
Wynter-Blyth, Mark Alexander (1957). Butterflies of the Indian Region. Bombay, India: Bombay Natural History Society. ISBN 978-8170192329.

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[Funet.fi-1] 1 2 Savela, Markku (18 December 2018). "Hypolycaena erylus (Godart, [1824])". Lepidoptera and Some Other Life Forms. Retrieved 13 January 2020.

[LepIndex_erylus-2] Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Hypolycaena erylus". The Global Lepidoptera Names Index . Natural History Museum . Retrieved 20 April 2018.

[Evans-3] 1 2 Evans, W. H. (1932). The Identification of Indian Butterflies (2nd ed.). Mumbai, India: Bombay Natural History Society. p. 294, ser no H80.3.

[Wynter-Blyth-4] 1 2 Wynter-Blyth, Mark Alexander (1957). Butterflies of the Indian Region. Bombay, India: Bombay Natural History Society. pp. 253–254. ISBN 978-8170192329.

[Haribal-5] 1 2 3 4 5 6 7 Haribal, Meena (1992). The Butterflies of Sikkim Himalaya and Their Natural History. Gangtok, Sikkim, India: Sikkim Nature Conservation Foundation. p. 107.

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