Ramulus artemis Giant Vietnamese stick insects 25 pack per per orderGiant Vietnamese Stick Bugs 20 pack They have very long front legs. They are one of the easiest Stick Bug to take care for. Nymphs mature to their adult form in three months. They leave for 3 to 4 months after reaching adult size. They are nocturnal, which means they remain virtually motionless throughout the day. Nymphs that have missing limbs are likely to regenerate the missing parts at the next molt. They are are sexual, but parthenogenetic if