Larva of the fly Arachnocampa luminosa,Malpighian tubules are modified as light producing organs In Waitomo Caves of New Zealand Larvae-spins a nest out of about 600,000 tourist/yr for a total 70 treads of silk, of 4 million US dollars. each about 30 or 40 cm long Holding droplets of mucus Life cycle of Arachnocampa(光蕈蚊属 (Diptera:Mycetophilidae,菌蚊) Egg 20 days Larvae (3 cm) 6-12 months4 times molting Pupae 1-2 weeks Adult (130 eggs/female adult) Egg(3-5mm) Video:http://www.youtube.com/watch?v=WVnl5unMxgto 丝弹显单路饼生盟 u>g7y自The Anromie小u5扣0dyh/yea好