- The
osmeterium is a
defensive organ found in all
papilionid larvae, in all stages. The
organ is
situated in the
prothoracic segment and can be everted...
- by
closely resembling bird droppings. They use this,
along with
their osmeteria, to
defend against predators such as wasps, flies, and vertebrates. The...
-
enhance this effect. Some
caterpillars have
special structures called osmeteria (family Papilionidae),
which are
exposed to
produce smelly chemicals used...
- Many
papilionid larvae produce bad
smells from
extrudable glands called osmeteria. Many
caterpillars display feeding behaviors which allow the caterpillar...
-
green color and the
eyespots may also
reduce predation. All
larvae have
osmeteria,
appearing pink in the
first three instars and a
brighter red in the last...
-
swallowtail caterpillars, if disturbed, it will
suddenly evert bright orange osmeteria (or "stinkhorns") from just
behind its head,
glandular structures which...
- size. The
caterpillars occur in
several colour forms and
possess yellow osmeteria that
release a
sweet smell. The
caterpillars generally consume their entire...
-
dorsal rows of
bright yellow spots. It has
small and pale
yellow vestigial osmeteria, a
special organ just
behind the head that
resemble feelers.
Since they...
