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Butterfly populations are a very good indicator of the health of an area's ecosystem !!

   Sulfur butterflies, (subfamily Coliadinae) consist of any of a group of butterflies in the family Pieridae (order Lepidoptera) that are bright yellow or orange and have a wingspan of 35 to 60 mm (1.5 to 3


   Sexual and seasonal dimorphism in pattern and colour occur in many species.

   The pupae are attached to a twig by a posterior spine and a girdle of silk.
   Hatchling butterfly caterpillars are nearly microscopic. They grow thousands of times their hatchling size before they pupate.
   Adult butterflies are attracted primarily to red, orange, and purple colors.
   Adult Sulphur butterflies are also well camouflaged when they rest. They normally land on a leaf or item that is very near the same color as their wings.

Avg. Wingspan: 3.8 - 6.9 cm / 1 1/2 - 3 "
Diet: caterpillars eat plants of the genus Cassia of the pea family.
Diet: adults take the nectar of flowers such as geraniums, cardinal flowers and hibiscus
   * There are currently 21 known subspecies of Sulphur butterflies.

Kingdom: Animalia, Phylum: Arthropoda

Class: Insecta, Order: Lepidoptera

Colias interior  Pink edged Sulphur chrysalis.jpg
Pink - edged Sulphur caterpillar
The single biggest threat to butterfly survival is habitat destruction!!
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