Young male of Heteropteryx dilatata, a species commonly known as Jungle Nymph, lives in Malaysia in nature, has wings, can fly and its body is covered with small spines. The bright green female is the heaviest stick insect in nature. The development of this phasmid species is very slow and they can live for more than two years from birth.
''Heteropteryx dilatata'', also known as jungle nymph, ''Malaysian stick insect'', Malayan jungle nymph, or Malayan wood nymph, is a large member of the Phasmatodea. It originates in Malaya and is nocturnal. This insect holds the world record for the largest egg laid by an insect. The eggs are about 1.3cm in length.