Sentences with phrase «sex pheromones»

It's possible that the bacteria influence the levels of sex pheromones that affect the fly's attractiveness.

Female insects emit sex pheromones in order to attract potential mating partners.

According to lead author of the study, Dr Marinus De Jager of Stellenbosch University: «Since the discovery that the floral scent of these remarkable orchids mimics female sex pheromones, many of these compounds have been made in the laboratory.

RS also turns up in the male sex pheromones of another species of wasp, N. giraulti, whereas RR appears to be unique.

Using microelectrodes, the researchers recorded the electrical activity of pheromone - sensitive interneurons in male American cockroaches that relay signals of female - producing sex pheromones in the antennal lobe (functional homolog to the mammalian olfactory bulb) to higher - order centers.

These arthropods emit sex pheromones, which are volatile compounds, to communicate with prospective mates, initiate courtship and accept partners.

After conducting a range of different experiments, the researchers discovered that some of the chemicals left behind by the females, called sex pheromones, were largely responsible for keeping the males awake.

«I was certain that it would be a small molecule, like sex pheromones in sea anemones or something along those lines.

With its odor - sensitive antennae, the moth senses a target smell — in this case, female silkworm sex pheromones — and walks toward it along the trackball, driving the robotic car.

A similar discovery in fruit flies, reported in an earlier independent study, which shows that a particular sex pheromone enhances female sexual behaviors and male aggression via separate neural circuits between the sexes, suggests that a sexually distinct circuit may be a universal strategy for converting male pheromone information into appropriate behavioral output.

«The call of the dung: How flies find their meal: Frass excreted on fruits by vinegar flies contains sex pheromones and invites conspecifics to join the meal.»

Top: When male mice detect the ESP1 sex pheromone, they display enhanced aggressive behavior toward other male mice.

Artificial illumination also misleads female cabbage moths into skimping on production of their usual sex pheromone lure.

Since then various sex pheromones in other insect species have been identified.

Unlike many other species, male hunting spiders do not use chemical signals such as sex pheromones to attract a mate.

Tuni and her colleagues conducted a series of experiments on around 100 spiders (Pisaura mirabilisi) to test whether the silk that male and female hunting spiders produce is an important part of mating, and if sex pheromones are always released.

Sex pheromones wafting from a female's skin drive males crazy, but how they work has long been a mystery.

A new study offers a possible solution to this long - standing evolutionary mystery, suggesting that new sex pheromones may evolve through genetic mutation before potential mates develop the ability to detect them.

«The traps utilizing sex pheromones to attract only male cockroaches are not sufficient,» says Nishino.

NC State entomologist Coby Schal and NC State and University of Amsterdam colleagues wanted to learn more about the sexual signaling efforts used by moths, a diverse group of insects with well - identified sex pheromones.

In contrast, the Drosophila sex pheromone cVA is detected by both sexes and elicits dimorphic behavior by routing the signal via different third order neuronal circuits deep in the brains of males and females [19].

Before then, they assumed that B. germanica didn't need a volatile sex pheromone because the cockroaches live in close quarters where males could easily find females, Schal says.

15 years ago, nobody would've ever expected that a game about shooting Japanese schoolgirls with sex pheromones would release on North American store shelves.

Gal * Gun: Double Peace is an on - rails shooter where the player must shoot sex pheromones at female school goers as they try chase after him.

The scent of symmetry: A human sex pheromone that signals fitness?

For one insect, the allure of sex pheromones is not enough to attract a mate.

When the scientists analyzed the N. vitripennis male sex pheromone, they found it contained two important chemicals, which they call RS and RR.

Many kinds of insect, perhaps most, find their mates by scent, the so - called sex pheromones.

In moths, females emit a species - specific sex pheromone, consisting of a blend of biochemically related components, to which males are attracted.

Megan Massa: Rapid Effects of Testosterone on Responsiveness to Sex Pheromones in Male Carassius auratus

Yet the female sex pheromone?

«Right about five o'clock in the afternoon — we call it the rush hour — the beetles climb to the top of the trees and release a sex pheromone that travels on the wind.

By combining the effective food bait with the rats» sex pheromone and sound signals, they expect to overcome the rats» antipathy to trap boxes.

«The overall message,» says Gries, «is that here is some great food to eat, and here is safety, because not only can they hear «live» rats, they can also smell the male rat's sex pheromone.

In the lab, and in field experiments, female brown rats readily enter trap boxes baited with the male brown rat's sex pheromone.

Simon Fraser University scientists have developed a new way to exterminate rats by identifying and synthetically replicating the male brown rat's sex pheromone.

Many longhorned beetles, such as this Neoclytus mucronatus, attract mates by exuding a sex pheromone.

Smelling a mate Female moths produce a sex pheromone, a different blend of chemicals for each species, which attracts males from a distance.

In addition to aggregation pheromones, which prompt insects of the same species to come together, or alarm pheromones, which warn conspecifics about imminent danger, sex pheromones are quite well - known.

The newest measure involves hijacking a sex pheromone that male lampreys use to attract females.

Many orchids are masters of sexual deception, tricking male insects into pollinating their flowers by producing chemicals that precisely mimic female insects» sex pheromones.

Scientists have long been impressed by the perfect harmony of chemical communication among insects, especially when it comes to choosing mates by detecting and responding to the sex pheromones of only their own species.

In essence, the question is which came first, a new species or its sex pheromone?

Female moths produce a sex pheromone, a different blend of chemicals for each species, which attracts males from a distance.

They found that neither the male sex pheromones nor the scent of a pig's cadaver at various stages of decay were significantly more attractive to the virgin females than the scent of a control solvent.

Female moths deemed unworthy or unattractive to male moths can increase their odds of attracting a mate by emitting their sex pheromones — their «come - hither» scents — in close proximity to attractive females, according to new research from North Carolina State University.

Using both lab wind - tunnel tests and tests on a research farm in Clayton, N.C., the researchers showed that unattractive females — those with a less attractive blend of sex pheromones — had little to no chance of finding a mate when on their own.

Alex Bender - «Quantification of Vasotocin Release in Response to Sex Pheromones in Roughskin Newts» (Advisors: P. Dickinson and R. Thompson)