Related topics: larvae · insects · ants

Wasps use ancient aggression genes to create social groups

Aggression-causing genes appeared early in animal evolution and have maintained their roles for millions of years and across many species, even though animal aggression today varies widely from territorial fighting to setting ...

How safe is the enemy of a citrus-threatening pest?

The Asian citrus psyllid (ACP) can spread the lethal and incurable citrus disease known as huanglongbing (HLB) or citrus greening that threatens the multi-billion dollar global citrus industry. In Southern California, large ...

DNA barcodes change our view on how nature is structured

Understanding who feeds on whom and how often is the basis for understanding how nature is built and works. A new study now suggests that the methods used to depict food webs may have a strong impact on how we perceive their ...

Worker wasps grow visual brains, queens stay in the dark

A queen in a paperwasp colony largely stays in the dark. The worker wasps, who fly outside to seek food and building materials, see much more of the world around them. A new study indicates that the brain regions involved ...

Birds outsmart wasps to feed young

(Phys.org) —A species of bird found in Central and South America is able to supply its young with a steady diet of wasp larvae, evading stings from defending workers by using physical, not chemical tactics as previously ...

The colors of nature: Nine beautiful new wasp species from China

A new study provides seventeen records of the cuckoo wasp genus Cleptes from China, nine of which are beautifully coloured new to science species. The study, published in the open access journal ZooKeys, is the first revision ...

Ancient 'fig wasp' lived tens of millions of years before figs

A 115-million-year-old fossilized wasp from northeast Brazil presents a baffling puzzle to researchers. The wasp's ovipositor, the organ through which it lays its eggs, looks a lot like those of present-day wasps that lay ...

Two new beautiful wasp species of the rare genus Abernessia

Two new beautiful wasp species are added to the rare pompilid genus Abernessia, which now contains a total of only four known species. The two new species A. prima and A. capixaba are believed to be endemic for Brazil alongside ...

Smaller islands host shorter food chains

That smaller islands will typically sustain fewer species than large ones is a widespread pattern in nature. Now a team of researchers shows that smaller area will mean not only fewer species, but also shorter food chains. ...

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