Waxworms, Common Pests that Eat Plastic

Waxworms, Common Pests that Eat Plastic

What appears to be a pest may become a solution to a problem. A recent example of that is waxworms, common pests that eat plastic.

Waxworms got their name because they eat the wax in honeycombs. That makes them enemies of bees and a curse for the honey industry and for bee growers that use bees for pollination. Studies of waxworms have shown that microbiota in their gut breaks down the beeswax and provides nutrition for the waxworms.

The Proceedings of the Royal Society B published the report of a study indicating that waxworms can also eat plastic. Specifically, they can eat polyethylene, which is a non-biodegradable plastic. They metabolize polyethylene into glycol, which is biodegradable. Polyethylene makes up a vast percentage of the 300 million tons of plastic waste generated every year.

Scientists are researching ways to harness waxworms, so they eat the waste without also destroying bees. This study shows that there are natural solutions to one of the biggest waste problems in the world today.

God, in His wisdom, gave us a wide variety of plants and animals that feed on a wide range of foods. That fact not only allows the natural world to exist, but it provides enormous benefits to human society. We need to understand more about what God has done, and science is a useful tool to do that. It was science that told us about waxworms, common pests that eat plastic.

— John N. Clayton © 2020

Plastic-Eating Worms

Food for Plastic-Eating Worms
One of the confusing points about evolution for many Christians is not understanding that there is a difference between the fact of evolution and naturalistic theories of evolution. Evolutionary adaptations have given us plastic-eating worms.

Attempting to say that evolution eliminates God from the picture of creation is an incredibly ignorant statement, and yet we see it in both atheist and Christian papers. The word “evolution” means “unfolding change.” The fact that God engineered life in such a way that living things can change is one of the most incredible examples of design.

Darwin’s work in the Galapagos Islands showing that finches could change physically to meet the local food supply does not contradict the Bible in any way. When we visited Darwin Station in the Galapagos and talked with the workers, they were dumbfounded to hear that anyone thought there was a biblical problem with the work they were doing there.

The August 2017 issue of Scientific American (page 21), carried an article about the larvae of the greater wax moth that has mutated so that it can consume polyethylene plastic. Humans produce some 300 million metric tons of plastic every year, and this material is clogging landfills and showing up in lakes and streams. To find a way to biodegrade this material would be a huge ecological breakthrough, and it is possible because of the design of the genetics of the wax moth larvae. Beeswax is the main food of the larvae, but the mutation allows them to degrade polyethylene as well.

The scientists involved are studying the process to discover the enzyme that the plastic-eating worms use to break down the polyethylene. God apparently built a solution to the biggest waste problem we face today by the design of the genome of the wax worm.

Current Biology journal originally published news of this discovery on August 7, 2017.
–John N. Clayton © 2017