| Pale four-line blue | |
|---|---|
 | |
| N. h. sidoma, Kerala | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Lycaenidae |
| Genus: | Nacaduba |
| Species: | N. hermus |
| Binomial name | |
| Nacaduba hermus Felder, 1860 | |
Nacaduba hermus, the pale four-line blue, [1] [2] is a species of lycaenid butterfly found in Indomalayan realm. The species was first described by Baron Cajetan von Felder in 1860. [1] [2]
The upperside of the male is dark purplish brown. The forewings and hindwings have black anteciliary lines. The hindwing has two black spots that are nearly equal, one in interspace 1 and the other in interspace 2. The spots have a silvery white edge on the outerside. The tail is black tipped with white. [3]
The underside is hoary brown. On the underside of the forewing there are transverse bands of the ground colour defined by very fine white lines as follows:
The hindwing has transverse bands of the ground colour enclosed and defined as on the forewing by short slender lunular lines of white as follows:
Interspace 1 has two minute geminate (paired) black subterminal spots, interspace 2 with one large round black similar spot crowned inwardly with ochraceous and irrorated outwardly with a few metallic blue scales; a very slender terminal white line not extended to the apex and an anteciliary dark line. [3]
Antennae black, shafts minutely ringed with white; head, thorax, and abdomen dark brown; beneath: the palpi fringed with black hairs, thorax fuscous, abdomen dull white. [3] [4]
The female has the upperside dull leaden blue. The forewings and hindwings have anteciliary black lines as in the male, within which on the forewing is an obscure transverse subterminal series of black spots; on the hindwing a very slender terminal white line, a subterminal row of black spots and a postdiscal series of white lunules, the spots decreasing in size and the lunules obsolescent anteriorly. Underside: ground colour paler than the markings, more obscure but identical with those of the male. Antennae, head, thorax and abdomen as in the male but all paler in colour. [3]
Nepal, Sikkim; the Western Ghats; Sri Lanka; Assam; Myanmar (Tenasserim); the Andamans. [3] [1] [2]
Tarucus theophrastus, the common tiger blue, pointed Pierrot or African Pierrot, is a small butterfly found in the Old World tropics. It belongs to the lycaenids or blues family.
Azanus jesous, the African babul blue or topaz-spotted blue, is a small butterfly found in Africa, Egypt, Syria, India, Sri Lanka and Myanmar that belongs to the lycaenids or blues family.
Niphanda cymbia, the pointed Pierrot, is a small butterfly found in northern India, Burma and northern Borneo that belongs to the lycaenids or blues family.
Chilades lajus, the lime blue, is a small butterfly found in India, Sri Lanka, Myanmar, Taiwan, Hong Kong, Hainan, Mangulam Island, Sulawesi and the Philippines that belongs to the lycaenids or blues family.
Jamides celeno, the common cerulean, is a small butterfly found in Indomalayan realm belonging to the lycaenids or blues family. The species was first described by Pieter Cramer in 1775.
Jamides lacteata, the milky cerulean, is a small butterfly found in India that belongs to the lycaenids or blues family.
Freyeria trochylus, the grass jewel, is a small butterfly found in Africa, Arabia, southern Europe, India and southern Asia that belongs to the lycaenids or blues family.
Anthene emolus, the ciliate blue, is a small butterfly found in India and southeast Asia that belongs to the lycaenids or blues family. The species was first described by Jean-Baptiste Godart in 1823.
Alpherakya devanica is a species of Lycaenid butterfly found in the Pamirs, Hindu Kush, Karakorum and Tajikistan.
Nacaduba pactolus, the large four-line blue, is a species of lycaenid butterfly found in Indomalayan realm.
Petrelaea dana, the dingy lineblue, is a species of lycaenid butterfly found in Indomalayan realm.
Nacaduba kurava, the transparent six-line blue, is a Lycaenidae butterfly found in Asia and Australia. The species was first described by Frederic Moore in 1857.
Prosotas noreia, the white-tipped lineblue, is a species of lycaenid butterfly found in South Asia and Java.
Nacaduba pavana, the small four-line blue or Singapore four-line blue, is a species of lycaenid butterfly found in Southeast Asia.
Nacaduba berenice, the rounded six-line blue, is a lycaenid butterfly found in Indomalayan realm. The species was first described by Gottlieb August Wilhelm Herrich-Schäffer in 1869.
Cethosia nietneri, the Tamil lacewing, is a species of nymphalid butterfly found in Sri Lanka and south India. The species name is after John Nietner who obtained specimens of the butterfly from Ceylon from which it was described.
The Indian fritillary is a species of butterfly of the nymphalid or brush-footed family. It is usually found from south and southeast Asia to Australia.
Catochrysops strabo, the forget-me-not, is a small butterfly found in Asia that belongs to the lycaenids or blues family. The species was first described by Johan Christian Fabricius in 1793. It is found in Sri Lanka, India, from Sikkim to Indochina and in Sundaland, Sulawesi and the Philippines.
Catopyrops ancyra, or Felder's lineblue, is a species of butterfly belonging to the lycaenid family described by Cajetan Felder in 1860. It is found in the Indomalayan and Australasian realms.
Udara singalensis, the Singalese hedge blue, is a species of Lycaenidae butterfly. It is endemic to Sri Lanka.
One or more of the preceding sentences incorporates text from this source, which is in the public domain : Bingham, C.T. (1907). The Fauna of British India, Including Ceylon and Burma. Vol. II (1st ed.). London: Taylor and Francis, Ltd. pp. 394–395. One or more of the preceding sentences incorporates text from this source, which is in the public domain : Swinhoe, Charles (1910–1911). Lepidoptera Indica. Vol. VIII. London: Lovell Reeve and Co. pp. 87–88.