Fireflies lay eggs that often emit a glow, just like the larvae and adults. Though some fireflies eat each other, many adult fireflies do not eat anything at all because they do not live long enough to need nutrition. The larvae feed on worms and snails. The light made by fireflies is extremely efficient since it does not produce any heat. Jun 27, 2012 · Adult fireflies usually live off of nectar and pollen, but some don’t feed at all. (7) A few firefly species are also carnivorous as adults. They don’t eat snails, though—they eat fireflies Author: Sarah Zielinski.
The adult firefly is no exception, but it does take some time for it to reach the adult stage. TL;DR (Too Long; Didn't Read) Fireflies live for only a couple of months, but it takes up to a year for the insect to fully grow into the short-lived adult. Firefly Life Cycle. Hold the jar upside down and position the net under it so the fireflies crawl up into the jar. Screw on the lid of the jar. Never punch holes in the lid because fireflies need damp air to survive, and air holes make the air inside the jar dry. The jar contains enough air to keep fireflies alive for at least one day.
May 18, 2007 · Best Answer: They cant live in a jar to long but.. Adult fireflies live only long enough to mate and lay eggs. In my efforts to collect and rear fireflies, I have found that adults of P. pyralis generally expire in 7-14 days. I have been able to extend the life span of adult males by feeding them a Followers: 1. Air holes dry out the air in the jar, and fireflies need damp air to survive. There is plenty of air in the jar to keep the insects alive for a day or more. Fireflies only live a few days or Author: Sharon Huntington.