Pseudozizeeria maha

Pseudozizeeria maha

Taxobox
name = Pale Grass Blue



image_width = 250px
image_caption =
regnum = Animalia
phylum = Arthropoda
classis = Insecta
ordo = Lepidoptera
superfamilia = Papilionoidea
familia = Lycaenidae
subfamilia = Polyommatinae
genus = "Pseudozizeeria"
species = "P. maha"
binomial = "Pseudozizeeria maha"
binomial_authority = (Kollar 1848)
. The Pale Grass Blue ("Pseudozizeeria maha") is a small butterfly found in Asia that belongs to the Lycaenids or Blues family.

Description

:"See glossary for terms used"

Wet-season brood

Male. Upperside silvery light blue with a satiny sheen in certain lights. Forewing: the apical half of the costa narrowly and the terminal margin for varying widths fuscous black, bounded outwardly on the latter by an obscure anticiliary black line. Hindwing: the costa broadly, the termen somewhat more narrowly fuscous black as in the fore wing, with the width of this dark edging similarly variable ; in addition there is a very diffuse and ill-defined subterminal series of spots darker than the fuscous margin. Underside: brownish grey. Fore wing: a spot in cell, a transverse lunule on the discocellulars, and a transverse anteriorly inwardly curved series of eight discal spots, black; the transverse lunule and each spot encircled with a narrow white edging ; the posterior two spots of the discal series geminate. Beyond these are a postdiseal and a subterminal series of short transverse dusky black spots followed by an anticiliary black line; the ground-colour between the discal and postdiscal series and between the latter and the subterminal series of spots posteriorly paler than on the rest of the wing. Hind wing: a transverse, subbasal, slightly sinuate line of four spots, a short, slender, lunular line on the discocellulars, and a very strongly curved discal series of eight small spots, black; the lunule and each spot encircled with a narrow edging of white; the posterior two spots of the discal series geminate as on the fore wing; beyond these as on the fore wing there is a double line of dusky spots, only more lunular, with between them and between the discal and postdiscal series the ground-colour in the same way followed by slightly paler; an anticiliary fine black line. Cilia of both fore and hind wings whitey brown, darker anteriorly on the fore wing. Antennae, head, thorax and abdomen dark brown, shafts of the antennae ringed with white; in fresh specimens the thorax and abdomen with a little light blue pubescence; beneath: palpi, thorax and abdomen white.

Female Upperside: brownish black; the basal halves of the wings slightly suffused with light blue, anticiliary black lines on both fore and hind wings, and on the latter wing an obscure subterminal series of spots as in the male. Underside, similar,only the ground-colour darker, the markings larger and more clearly defined. Antennae, head, thorax and abdomen as in the male, but with no blue pubescence on the thorax and abdomen on the upperside.

Dry-season brood

Male upperside: pale bluish-grey with, in some specimens, a pinkish undertone. Forewing: as in the wet-season brood, but the black terminal edging much reduced in width in some specimens to a transverse, somewhat diffuse, very narrow band that borders the anticiliary black line on the inner side, in others to a much broader similar band that coalesces with the anticiliary black line and occupies about the outer sixth of the wing. This edging along the termen is sometimes even, sometimes it widens from a slender anticiliary at and above the tornus to a, broad black patch at the apex of the wing.

Hindwing: the terminal black edging much narrower proportionately than in wet-season specimens, most often reduced to a slender black anticiliary line with a series of black spots on the inner side, bordering and sometimes coalescing with the line. Underside: as in the wet-season brood but the ground-colour paler, in some specimens much paler, the markings on both fore and hind wings similar, with frequently the terminal markings obsolescent, sometimes entirely absent or only indicated anteriorly on each wing. Cilia whitish. Antennae, head, thorax, and abdomen as in the wet-season specimens.Female similar to the female of the wet-season brood, but more like the male, with the light silvery-blue suffusion very irregular, but generally extended much further outwards from the base. Underside: as in the male, the ground-colour slightly darker. Other variations exist:

Antenna, head, thorax and abdomen similar to those of the male.Bingham, C. T. 1907 Fauna of British India. Butterflies. Volume 2]

Food plants

The eggs are laid on the host plants and the larvae hatch to feed on them. The plants include members of the Oxalidaceae including "Oxalis corniculata", some Leguminosae and Acanthaceae. [Robinson, G. S. Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández. HOSTS - a Database of the World's Lepidopteran Hostplants [http://www.nhm.ac.uk/research-curation/projects/hostplants/] Accessed January 2007]

Other studies

A study in Japan used this species to detect the side-effects of transgenic "Bt" corn, particularly by way of pollen falling onto leaves of the "Oxalis" host plants. No significant effect was found in that study. [Yoichi Shirai ; Mami Takahashi(2005)Effects of transgenic Bt corn pollen on a non-target lycaenid butterfly, "Pseudozizeeria maha" Applied Entomology and Zoology 40(1):151-159 [http://www.jstage.jst.go.jp/article/aez/40/1/40_151/_article Full text] ]

ee also

*List of butterflies of India (Lycaenidae)

Gallery

References

General reading

* Evans, W.H. (1932) The Identification of Indian Butterflies. (2nd Ed), Bombay Natural History Society, Mumbai, India
* Gaonkar, Harish (1996) Butterflies of the Western Ghats, India (including Sri Lanka) - A Biodiversity Assessment of a threatened mountain system. Journal of the Bombay Natural History Society.
* Gay,Thomas; Kehimkar,Isaac & Punetha,J.C.(1992) Common Butterflies of India. WWF-India and Oxford University Press, Mumbai, India.
* Haribal, Meena (1994) Butterflies of Sikkim Himalaya and their Natural History.
* Kunte,Krushnamegh (2005) Butterflies of Peninsular India. Universities Press.
* Wynter-Blyth, M.A. (1957) Butterflies of the Indian Region, Bombay Natural History Society, Mumbai, India.

External links

* [http://www.asahi-net.or.jp/~EY4Y-TKNM/philframe.html Asahi] Correctly determined photos of "Zizina maha" (synonym) specimens from the Philippines.


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