With a two-week life-span, the Vivarium's colorful visitors are being constantly replaced with 250 pupae shipped weekly from butterfly farms in Costa Rica and Florida.
(the Vivarium's colorful visitors; are being replaced; with 250 pupae; T:constantly) (250 pupae; shipped weekly; from butterfly farms in Costa Rica and Florida)
the Vivarium's colorful visitors 250 pupae
are being replaced shipped weekly
with 250 pupae T:constantly
from butterfly farms in Costa Rica and Florida