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Posted by namrata pandey on June 3, 2011 at 7:08 AM


hi

sorry for the delay. today am gonna tell u about anoyher endangered butterfly , the karner blue.

The Karner Blue, Lycaeides melissa samuelis, is a small, blue butterfly found in small areas of New Jersey, the Great Lakes region, southern New Hampshire, and the Capital District region of New York.

the karner blue


The male and female of this small (wingspan of about one inch) butterfly are different in appearance. The topside of the male is silvery or dark blue with narrow black margins. The female is grayish brown, especially on the outer portions of the wings, to blue on the topside, with irregular bands of orange crescents inside the narrow black border. The underside of both sexes is gray with a continuous band of orange crescents along the edges of both wings and with scattered black spots circled with white.

Wild lupine is a perennial plant in the pea family with beautiful pink to blue flowers. It is found primarily on dry, sandy soils in open to partially shaded habitats.karner blue feed on wild lupine.

wild lupine


Due to effects of environmental variation and differing requirements among life stages, broods, and sexes, Karner blue butterflies require a mosaic of sun and shade.Adult Karner blue butterfly females are more likely to use shaded habitats than males. Avoiding harassment by males and compromising between greater amounts of wild lupine in open areas and better quality of wild lupine in shaded areas (see below) have been suggested as possible reasons for increased occurrence of females in shade.


 

Larvae in shaded habitat apparently have an advantage over those in open areas. The increase in larvae in shaded habitats is likely due to effects of shade on wild lupine.Shade-grown wild lupine has been shown to provide higher quality larval resource than sun-grown lupine.

larva of karner lupine


Spiders and many insects are the major predators of Karner blue butterflies. The seven-spotted lady beetle is one of the few confirmed predators of Karner blue butterfly larvae.Paper wasps (Polistes spp.), spined soldier bugs, and ants (Formica spp.) have been observed removing larvae,and the ant Monomorium emarginatum has been seen chewing on Karner blue butterfly eggs.


According to reviews, habitat loss through direct conversion to other land uses and through succession are considered the major causes of the decline of the Karner blue butterfly.Habitat loss and butterfly collectors continue to threaten populations of the Karner Blue Butterfly. Collection is illegal without a permit from the U. S. Fish and Wildlife Service.

thats all for today

rgards 

namrata


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