Related topics: species · bees · wasps

Hemp cannabinoids may have evolved to deter insect pests

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to experiments that showed higher cannabinoid concentrations in hemp leaves led to proportionately ...

Did animal evolution begin with a predatory lifestyle?

Were the first animals predators or filter feeders like the sponges living in today's oceans? And what role did symbiosis with algae play, as with reef-building corals? Surprising findings by a research group led by Prof. ...

Scientists spice up their anti-mosquito weaponry with mustard

Scientists with the Agricultural Research Service (ARS) have shown that seed meal from plants in the mustard family can kill mosquito larvae, which start their lives in stagnant water before emerging into winged adults that ...

Neuroptera: Greater insect diversity in the Cretaceous period

Human activity is currently driving a loss of natural diversity that some experts describe as the sixth major mass extinction event in the history of the Earth. The decline in insects is particularly alarming: Insects are ...

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