Banded Diving Beetle


Out of stock


The Banded Diving Beetle, Thermonectus nigrofasciatus, is cousin to the Sunburst diving beetles we also offer. These aquatic insects live communally in tanks with the other aquatic beetles we offer.

We simply drop various dead or dying bugs in their tanks like crickets, moths or roaches and they predate them. We prefer moths or house flies since they float.

These live in freshwater. Because they breathe air through their abdomens water quality isn’t the same issue with them as it is with fish, etc. Provide a small bit of floating material in the tank for them to hold onto.

Available as adult beetles and measuring 1/2 or so inches. $8 each. Currently discounted since this is the largest group we’ve ever gotten. Live arrival is guaranteed with overnight shipping in the sense that we will refund you for the specimen if it doesn’t make it (but no refund on shipping, sorry).

Bugguide.Net has some photos of: Thermonectus fasciatus.

This species appears at the end of the video from my Instagram channel, below…


View this post on Instagram


A post shared by Peter Clausen (@bugsincyberspace)

Additional information

Weight .1 lbs


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