Sentences with phrase «of sex pheromones»

His specialty is explaining scientific studies for lay audiences, including recent stories about riverless urban areas in the Great Lakes Basin, the impact of climate change on rare plants and the use of sex pheromones to combat the invasive sea lamprey.

Urine is a major source of sex pheromones.

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

Not exact matches

They discovered that pheromones secreted by the male mouse activate these neurons which, in turn, transmit this signal to another population of neurons (gonadotropin - releasing hormone neurons) to drive attraction to the opposite sex.

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.

«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.

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.

Ever since a pheromone secreted by a female moth that attracts the opposite sex was identified in 1959, scientists have pinned down numerous chemicals that affect behavior in a wide variety of animal species, from insects to mammals to humans.

«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.»

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

Many previous studies have examined the role that sex - specific pheromones or semiochemicals play in the evolution of a spider's reproduction cycle.

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.

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

To find out whether sex hormones affect the number of neurons devoted to detecting female pheromones, the researchers removed the testes from male mice and the ovaries from females.

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

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

Maures et al. (p. 541, published online 29 November) explored why the presence of abundant mating - competent males causes a decrease in the life span of nematodes of the opposite sex and found that a secreted substance, possibly a pheromone, reproduced the effect of the males when transferred in the culture medium.

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

In Adelaide, Professor Mike Tyler is exploring the possibility of using pheromones (e.g., sex - attractant chemicals) to help in toad - trapping.

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].

But rather than changes in doublesex itself, these studies revealed changes in downstream targets of dsx, via changes to specific DNA sequences to which DSX protein binds in the cis - regulatory regions of the bric - a-brac and desatF genes and affecting sex differences in abdominal pigmentation and pheromone production.

Mice of both sexes appear capable of detecting this pheromone, suggesting the differential response is due to modifications in the downstream neural circuitry [4].

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

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

When you are sexually active, you radiate higher levels of pheromones, making you even more attractive to the opposite sex.

We also take advantage of my soaring sex drive and the attraction pheromones that are flying around our home!

Audaciously staged as a little - more - than - real - time dramatization of a single night's house party, the air humid with that special, pheromone - drenched mist of booze and sweat and young sex and aspirations towards same, Can't Hardly Wait is a reminder of the pop - cultural moment when Brad and Gwyneth were the hot celebrity couple, Jennifer Love Hewitt was an up - and - comer, nobody had ever heard of Selma Blair or Lauren Ambrose, and the likes of Smash Mouth and Eve 6 were planting hit singles on MTV and the radio.

When a dog sniffs the faeces and the anal regions of another dog it is finding out important information via the pheromones in the scent, including the other dog's sex and sexual status.

He also procured the rat sex - pheromone Squalene from a rat lab and applied it to various surfaces of the gallery.