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Comal Springs riffle beetle facts for kids

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Comal Springs riffle beetle
Heterelmis comalensis.jpg
Conservation status

Critically Imperiled (NatureServe)
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Elmidae
Genus:
Heterelmis
Species:
H. comalensis
Binomial name
Heterelmis comalensis
Bosse, Tuff, and Brown, 1988

The Heterelmis comalensis is a very rare type of beetle. It's also known as the Comal Springs riffle beetle. This tiny beetle lives only in Texas, United States. You can find it in just two special springs there. Because it's so rare, it's on a special list of endangered species in the United States. This means it needs our help to survive!

Meet the Comal Springs Riffle Beetle

This unique beetle was first officially described in 1988. It's super small, only about 2 millimeters (that's less than an inch!) long. Even though it's an insect, this beetle has wings that don't work. So, it can't fly at all!

Where Does This Beetle Live?

The Comal Springs riffle beetle makes its home in two specific places:

These beetles like to live in shallow water. They hide among the gravel at the bottom of the springs and in fast-moving parts of the water called riffles. They share their home with other water creatures, like another beetle called Microcylloepus pusillus.

Why Is This Beetle Endangered?

The biggest danger to the Comal Springs riffle beetle is the Edwards Aquifer. An aquifer is like a huge underground water storage area. The Edwards Aquifer provides water to the springs where these beetles live. People use a lot of water from this aquifer, and when the water levels drop, the beetles lose their home.

Scientists and conservationists are working to protect these special beetles. Some beetles are kept safely at the San Marcos National Fish Hatchery and Technology Center. They are even trying to help baby beetles (called larvae) grow there. This helps make sure these rare beetles don't disappear forever.

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