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Botany: Scent of death attracts coffin flies to pipevine flowers

In a new study, an international team of plant researchers including the Institute of Botany at TU Dresden has discovered an unusual and previously unknown reproductive strategy in plants: the Greek pipevine species Aristolochia microstoma produces a unique mixture of volatiles that resembles the smell of dead and decaying insects to attract the pollinating fly genus Megaselia (also known as coffin flies ) to its trap-flowers. The study was recently published in the open-access journal Frontiers .

France generalStefan wankeThomas ruppChristoph neinhuisLodron university of salzburgBotanical gardenParis lodron universityProf christoph neinhuisPlant sciencesபிரான்ஸ் ஜநரல்ஸ்டீபன் வாங்கேதாமஸ் ரூப்தாவரவியல் தோட்டம்

Flowers use the smell of death to lure and imprison coffin flies

Scientists recently discovered a flower that lures in and imprisons coffin flies with the smell of death. A. microstoma flowers found in various places on the ground. (Image credit: T. Rupp, B. Oelschlägel, K. Rabitsch et al.) Scientists recently discovered a flower that lures in and imprisons coffin flies with the smell of death. The plant uses this stinky aroma to trick the insects into pollinating its flowers. This is the first time that a flower has been found to mimic the scent of dead insects as opposed to dead vertebrates, according to the new study. Between 4% and 6% of flowering plants use a deceptive pollination strategy in which they lure in pollinators such as insects with a scent, color or touch that suggests a reward, such as nectar, pollen or mating and breeding sites that don t exist,

Stefan wankeThomas ruppParis lodron university of salzburgDresden university of technologyParis lodron universityDresden universityஸ்டீபன் வாங்கேதாமஸ் ரூப்டிரெஸ்டன் பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம்டிரெஸ்டன் பல்கலைக்கழகம்

First-of-its-kind flower smells like dead insects to imprison coffin flies

Frontiers The plant Aristolochia microstoma uses a unique trick: its flowers emit a fetid-musty scent that seems to mimic the smell of decomposing insects. Flies from the genus Megaselia (family Phoridae) likely get attracted to this smell while searching for insect corpses to mate over and lay their eggs in. When they enter a flower, they are imprisoned and first pollinate the female organs, before being covered with pollen by the male organs. The flower then releases them unharmed. “Here we show that the flowers of A. microstoma emit an unusual mix of volatiles that includes alkylpyrazines, which are otherwise rarely produced by flowering plants. Our results suggest that this is the first known case of a flower that tricks pollinators by smelling like dead and rotting insects rather than vertebrate carrion,” says corresponding author Prof Stefan Dötterl, the head of plant ecology group and the Botanical Gardens at the Paris-Lodron University of Salzburg, Austria. The study i

France generalStefan wankeThomas ruppChristoph neinhuisLodron university of salzburgBotanical gardensParis lodron universityProf christoph neinhuisBotanical gardenProf stefan wankeAthe entranceOpen accessபிரான்ஸ் ஜநரல்ஸ்டீபன் வாங்கேதாமஸ் ரூப்தாவரவியல் தோட்டங்கள்

First-of-its-kind flower smells like dead insects to imprison coffin flies

First-of-its-kind flower smells like dead insects to imprison coffin flies
eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.

France generalStefan wankeThomas ruppChristoph neinhuisLodron university of salzburgBotanical gardensParis lodron universityProf christoph neinhuisBotanical gardenProf stefan wankeஸ்டீபன் வாங்கேதாமஸ் ரூப்தாவரவியல் தோட்டங்கள்தாவரவியல் தோட்டம்

Flowers of St John s Wort serve as green catalyst

Flowers of St John s Wort serve as green catalyst
chemeurope.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chemeurope.com Daily Mail and Mail on Sunday newspapers.

Stefan wankeSchool of sciencePhotochemical reactionHypericum perforatumPhotoredox catalysisஸ்டீபன் வாங்கேபள்ளி ஆஃப் அறிவியல்