Search results for herbivorous ants

Evolution Oct 13, 2022

Catnip and pea aphids came up with different ways to make the same molecule

In a new study in PNAS, a research team at the Max Planck Institute for Chemical Ecology in Jena, Germany, shows that both catnip and pea aphids produce the substance nepetalactone, even though the plant and the insect evolved ...

Plants & Animals Sep 26, 2022

Bottom-up process plays central role in determining ant-tree interaction networks

Ants and host plants often form mutualistic relationships. Host plants can provide ants with food directly or indirectly. In return, ants can protect plants from herbivore damage and may participate in pollination and seed ...

Plants & Animals Sep 16, 2022

The koala: When it's smart to be slow

The koala was clinging to an old tree stag while stranded in the Murray River, on the border between New South Wales and Victoria. A team of students from La Trobe University noticed its predicament as they were paddling ...

Ecology Sep 14, 2022

Tropical insects are extremely sensitive to changing climates

Insects that are adapted to perennially wet environments, like tropical rainforests, don't tend to do well when their surroundings dry out. New research published this Wednesday indicates they may be equally averse to heavy ...

Plants & Animals Aug 19, 2022

Microbes protect a leaf beetle—but for a price

Insects are known to rely on microbial protection during immobile developmental stages, such as eggs. But despite the susceptibility of pupae to antagonistic challenges, the role of microbes in ensuring defense during an ...

Plants & Animals Apr 6, 2022

Attempting to understand the pollination secrets of the cacao tree

Cacao has long been a sought-after raw material for the worlds food industry. At first glance, it therefore seems surprising that biology knows little about the pollination of the cacao tree—although it is precisely this ...

Ecology Jan 4, 2022

Honeydew contaminated with systemic insecticides threatens beneficial insects

Neonicotinoids and other systemic insecticides can contaminate honeydew, which is an important food source for beneficial insects in agroecosystems, according to an international team of researchers.

Plants & Animals Jan 3, 2022

Accidental tree wound reveals novel symbiotic behavior by ants

One afternoon, during the early days of the COVID-19 pandemic in Panama, a bored teenager with a slingshot and a clay ball accidentally shot entry and exit holes in a Cecropia tree trunk. These are "ant-plant" trees, which ...

Plants & Animals Dec 3, 2021

Invasive ants can threaten ecosystems by damaging plants at the roots

Invasive ant species can be found in almost every ecosystem on earth, but the impact these invaders may have on plant health has only recently been investigated by scientists. A new study published in Journal of Ecology is ...

Plants & Animals Nov 23, 2021

Hemipteran–ant mutualism could represent symbiotic invasion

Ants are among the most diverse and abundant insects on the planet. Both native and invasive ants are capable of forming mutualisms with hemipteran insects, preying on non-hemipteran herbivores and indirectly affecting primary ...

page 2 from 9