Scientists discovered the first insects with sex-reversed genitalia in Brazilian caves. Yes, by sex reversed we mean that the female insects have penis-like genitalia and the males have vagina-like ...

Scientists studied the internal anatomy that make a female-male role reversal possible in a group of Brazilian cave insects. By Jack Tamisiea The penis has a variety of peculiar shapes and sizes: the ...

WASHINGTON (Reuters) - This may be the role reversal to end all role reversals. Scientists on Thursday described four insect species that dwell in extremely dry caves in Brazil, feed on bat guano and ...

Burrowing bees generally prefer to make their nests in the open, but some 20,000 years ago their ancestors lived in a cave ...

Bees are frequently associated with large queen-serving colonies featuring hundreds if not thousands of insects. In actuality ...

Female insects with "penises" have been discovered in Brazil - the first example of an animal with sex-reversed genitalia, scientists say. Neotrogla females insert the erectile organs into males' ...

Learn how environmental constraints and a lack of soil led ancient bees to reuse fossil cavities in a Caribbean cave, leaving the first known evidence of this behavior.

In a Caribbean cave, researchers discovered hundreds of fossils with bee nests within them. It is the first time this behavior has been recorded, a new study finds.

The spider cricket is a common American pest. This insect gets its name from its spindly, spider-like legs, but it’s not a true spider. This pest typically lives in caves and forests, but it can ...

Fossils from a Caribbean cave reveal bees once nested inside animal bones, offering rare insight into ancient insect behavior ...