Chilades trochylus

Last updated

Grass jewel
Chilades trochylus - Grass Jewel butterfly 02.jpg
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Lycaenidae
Genus:
Freyeria
Species:
F. trochylus
Binomial name
Freyeria trochylus
(Freyer, 1845) [1]
Synonyms
  • Lycaena trochylusFreyer, 1845
  • Chilades trochylus(Freyer, 1845)
  • Lycaena parvaMurray, 1874
  • Chilades trochylus var. griseaAiger-Abafi, 1906
  • Chilades trochilus( lapsus )

Freyeria trochylus, the grass jewel, [2] [1] is a small butterfly found in Africa, Arabia (United Arab Emirates, Oman, Saudi Arabia), southern Europe, India [2] and southern Asia that belongs to the lycaenids or blues family. [1]

Butterfly A group of insects in the order Lepidoptera

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 comprises the large superfamily Papilionoidea, which contains at least one former group, the skippers, and the most recent analyses suggest it also contains the moth-butterflies. Butterfly fossils date to the Paleocene, which was about 56 million years ago.

United Arab Emirates Country in Western Asia

The United Arab Emirates literally "'State' of the United Arab Emirates", sometimes simply called the Emirates, is a country in Western Asia at the southeast end of the Arabian Peninsula on the Persian Gulf, bordering Oman to the east and Saudi Arabia to the south and west, as well as sharing maritime borders with Qatar to the west and Iran to the north. The sovereign constitutional monarchy is a federation of seven emirates consisting of Abu Dhabi, Ajman, Dubai, Fujairah, Ras Al Khaimah, Sharjah and Umm Al Quwain. Their boundaries are complex, with numerous enclaves within the various emirates. Each emirate is governed by a ruler; together, they jointly form the Federal Supreme Council. One of the rulers serves as the President of the United Arab Emirates. In 2013, the UAE's population was 9.2 million, of which 1.4 million are Emirati citizens and 7.8 million are expatriates.

Oman Arab sultanate in Western Asia

Oman, officially the Sultanate of Oman, is an Arab country on the southeastern coast of the Arabian Peninsula in Western Asia. Its official religion is Islam.

Contents

Description

ChiladesTrochilusKnight.png

Male upperside: brown, somewhat variable in tint. Specimens from dry localities are much paler than those taken in areas with a comparatively heavy rainfall. [3]

Forewing: uniform, with a very ill-defined anteciliary dark line in some specimens. Hindwing: a subterminal series of round black spots crowned with pale ochraceous, the posterior four spots generally well defined and outwardly edged with white, the anterior spots obsolescent and without the interior edging of yellow or the outer edging of white; a well-marked, slender anteciliary black line. Cilia white, basal halves brown. [3]

Underside: pale silky brown. Forewing: with the following white markings: a short line on the inner and outer sides of the discocellulars; a transverse, slightly curved, discal series of small, more or less incomplete rings; a transverse postdiscal series of disconnected slender lunules; a subterminal series of similar but more regular lunules and a terminal broken line, followed by a dark unbroken anteciliary line; the ground colour between the two short discocellular lines, that enclosed within each ring of the discal markings, and between the subterminal lunules and the terminal line slightly darker than on the rest of the wing. Hindwing: two short white lines on the discocellulars; the discal, postdiscal and terminal markings as on the forewing, except that enclosed between the subterminal series of white lunules and the terminal white line is a complete series of dark spots, the posterior three or four jet-black sprinkled outwardly with metallic-green scales and encircled with pale ochraceous. In addition there are a transverse subbasal series of four white-encircled black spots and a similar subcostal spot in middle of interspace 7. Antennae, head, thorax and abdomen brown, the shaft of the antenna speckled with white; beneath: palpi, thorax and abdomen white. [3]

Female upperside and undersides: ground colour and markings as in the male, but the latter larger and more clearly defined; on the hindwing the yellow crowning the black spots on the tornal area on the upperside and surrounding the same on the underside, wider and more prominent. Antennae, head, thorax and abdomen as in the male. [3]

Larva

"When full-grown a little over a quarter of an inch in length, onisciform as usual; the head very small, black and shining, entirely hidden when at rest, being covered by the second segment; the colour of the body grass-green, with a dark green dorsal line from the third to the twelfth segment; two subdorsal series of short parallel streaks, each pair being divided from the next by the segmental constriction, these streaks paler than the ground-colour; an almost pure white lateral line below the spiracles, which is the most conspicuous of all the markings; the segmental constrictions rather deep; the whole surface of the body shagreened, being covered with very small whitish tubercles, from which spring very fine short colourless hair's. The usual extensile organ on the twelfth segment. Dr. George King, Superintendent of the Royal Botanical Gardens, Sibpur, near Calcutta, has identified its food-plant as Heliotropium strigosum , Willd. Professor A. Forel identifies the ant as Pheidole quadrispinosa, Jerdon." (de Nicéville quoted by Bingham) [3]

Other food plants noted include Goniogyna hirta . [4]

Pupa

"About three-sixteenths of an inch in length, pale green, of the usual Lycaenid shape, densely covered everywhere, except on the wing-cases, with somewhat long white hairs." (de Nicéville.) [3] [5]

See also

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References

  1. 1 2 3 Savela, Markku. "Freyeria trochylus (Freyer, 1845)". Lepidoptera and Some Other Life Forms. Retrieved July 1, 2018.
  2. 1 2 R.K., Varshney; Smetacek, Peter (2015). A Synoptic Catalogue of the Butterflies of India. New Delhi: Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi. doi:10.13140/RG.2.1.3966.2164. ISBN   978-81-929826-4-9.
  3. 1 2 3 4 5 6 PD-icon.svg One or more of the preceding sentences incorporates text from a work now in the public domain : Bingham, Charles Thomas (1907). Fauna of British India. Butterflies Vol. 2. London: Taylor and Francis, Ltd. pp. 367–368.
  4. ↑ Kunte, K. 2006. Additions to the known larval host plants of Indian butterflies. Journal of the Bombay Natural History Society 103(1):119-121
  5. ↑ PD-icon.svg One or more of the preceding sentences incorporates text from a work now in the public domain : Swinhoe, Charles (1905–1910). Lepidoptera Indica. Vol. VII. London: Lovell Reeve and Co. pp. 273–274.CS1 maint: Date format (link)
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