Phengaris atroguttata, the great spotted blue,Page on Markku Savela's site for genus Phengaris (Lycaenidae). Retrieved April 23, 2018. is a small butterfly found in India, Myanmar, and China that belongs to the lycaenids or blues family.
Taxonomy The butterfly was earlier known as Polyommatus atroguttata (Oberthür).
Range It is found in Nagaland and the Chin Hills of Myanmar and is considered rare.
Subspecies Phengaris atroguttata atroguttata northwest India, west China and Taiwan Phengaris atroguttata juenana (Forster, 1940) Yunnan Phengaris atroguttata lampra (Röber, 1926) north Myanmar Phengaris daitozana Wileman, 1911
Description The butterfly ranges from 44 to 48 mm. The butterfly is white with pale blue suffusion, and, also a dark border on the forewing. The male butterfly has very large black discal spots showing through from below. These are darkened in above in the case of the female butterfly.
See also List of butterflies of India (Lycaenidae)
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