|photo credit: jtloweryphotography|
Do you ever wonder what goes on inside the butterfly rearing greenhouseslocated on the rooftop of the museum’s parking garage? Today, I’m going to give you a peek at one of the precious little butterflies we raise there – the Zebra longwing, Heliconius charitonius.
Located within the screened insectaries inside the greenhouse are male and female pairs of Heliconius longwing butterflies. Within the confines of each Insectary, the longwing butterflies are provided a smorgasbord of goodies.
Their main food source is nectar, which is provided to them by way of fresh blooming red and pink Pentas; “New Gold” Lantana; pink Jatropha; blue Duranata; red, purple, and blue Porter Weed; and a blooming vine of Psiguria. These plants provide a food source (nectar and pollen) to the mating pairs. Our volunteers also place two bowls of artificial nectar daily as a supplement to the plants. [We supplement the food with artificial nectar made out of sugar and water because these little butterflies are housed in an artificial environment, so we want to be sure that they don't ever run out of food (nectar from flowers).]
|photo credit: Hamed Saber|
We have pipes within the enclosure on which baskets of the Zebra longwings host plant – The Passionflower – hang. Each week the Passionflower host plants are removed from the Insectary and placed into the pupation area. Within 3-5 days, tiny caterpillars hatch from eggs the female longwings have laid at the end tips of the passionflower vine. These tiny, soft, supple leaves are the tiny caterpillars’ first food source.
Within 17 to 21 days (depending on the time of the year), the caterpillar is ready to pupate. After the caterpillar pupates, the pupae are removed from the screen pupation cages in which they are housed and taken to our entomologists for gluing. They are then displayed in our Butterfly Center until the butterflies emerge. The entomologist then removes them from the emergence case and releases them to flutter around the rainforest.
There are hundred of school children and adults that tour the greenhouses every year and they are always excited to walk into the Insectaries and be surrounded by butterflies. Then, we take them to the pupation area to see the caterpillars in their different stages of growth. Finally, they see the pupation cages where the larger caterpillars are pupating. They hold the pupae, touch the butterflies and look at their scales under a magnifying glass. Visitors are always amazed to see the butterfly life cycle up close, and we are so glad we can give them the opportunity to do so.