members in this family of butterflies are commonly known as the
whites and yellows. These butterflies are predominantly white or
yellow on the upper surface of their wings; some with various patterns
around the perimeter and on the underside most have bright markings
or patterns, some with striking colours. The whites and yellows
are mostly medium sized and have an average wingspan ranging from
36 to 75 millimetres.
caterpillars of this family are long, often green in colour and usually
covered with patches of short, white hairs.
of this family are known as the 'whites'. Adult butterflies are predominantly
white with black markings on the upper side of the wings and of medium
to large size. The caterpillars are mainly slender and green with a few
short white setae.
species is migratory and can often be seen in large numbers flying towards
the coast in late spring to early summer. The adult female lays her conical
shaped eggs in wild orange trees in inland areas of Australia. The caterpillars
are dark orange-green and are sometimes laid in such large numbers as
to defoliate the plants on which they feed. If the food supply becomes
inadequate the larvae often pupate prematurely emerging as undersized
adults. The adults The adults have a wingspan of approximately 53 millimetres
and are not known to feed.
caper white butterfly can be found over most of the Australian mainland
except for the southwest quarter of the country.
of this family are known as the 'sulphurs' or 'yellows' as adults have
predominantly yellow colouring on the upper side of their wings, sometimes
with darker markings around the edges. The larvae are mainly green and
feed openly predominantly on legumes.
grass yellows are more common in the drier parts of Australia especially
in the mallee and inland open woodlands and grasslands where their favoured
food plants grow. Adult butterflies are often seen flying close to the
ground in a slow, erratic manner. They have a wing span of about 35 millimetres
and are usually bright yellow on the upper sides of the wings with a darker
band along the edge of the forewings and predominantly yellow underneath.
The caterpillars are green with a darker line along their body and yellow
lines along the sides and feed mainly on Cassia species.
more whites and yelows visit the Australian
- Peiridae section found here.