• It is long established that queens of social insects, including termites, maintain their reproductive dominance with queen primer pheromones (QPPs). (researchgate.net)
  • They seemed to be classic examples of 'primer pheromones', which work by triggering long-lasting physical changes in their targets, rather than suddenly changing their behaviour. (nationalgeographic.com)
  • Pheromone work got going particularly in the 1980s with the discovery of the pheromone for codling moths in the USA. (ruraldelivery.net.nz)
  • 1982 ) identified ( E )-10-hexadecenal ( E 10-16:Ald) and ( Z) -10-hexadecenal ( Z 10-16:Ald) as sex pheromone components of yellow peach moths, pheromone traps have been used to monitor the flight phenology of yellow peach moths in Korea and Japan over the past several decades (Kim et al. (researchsquare.com)
  • The first part deals with a collection of volatile compounds emitted from different bark beetles, which are pest insects of Norway spruce (Picea abies), causing significant economic damage in different areas of Sweden. (miun.se)
  • We followed chemicals by collecting all volatile compounds produced by male Polygraphus poligraphus, Polygraphus punctifrons and by Norway spruce using solid phase micro-extraction. (miun.se)
  • The sex pheromone system of ~160,000 moth species acts as a powerful form of assortative mating whereby females attract conspecific males with a species-specific blend of volatile compounds. (nsf.gov)
  • Under conditions of low abundance each of the mating disruption compounds completely prevented male capture in pheromone traps and female mating in assays, but under conditions of high abundance a significantly smaller proportion of females were mated with both of the newer formulations compared to the older one, and one of the newer formulations performed better than the other. (usda.gov)
  • We examined effects of the mating disruption formulations on male counts in pheromone traps, mating status in females, and oviposition on egg traps in both crops, whereas effects of these material on NOW damage at harvest is presented for Nonpareil almonds only. (usda.gov)
  • Each of the mating disruption treatments provided near-complete shutdown of pheromone traps and mating assays in almonds, whereas the higher NOW abundance in pistachios allowed comparison of treatment effects on male orientation and female mating status. (usda.gov)
  • The pheromone trap capture in untreated control plots in pistachios was in all cases significantly different and of 2-3 orders of magnitude greater than that in any of the mating disruption treatment plots, whereas no significant differences could be demonstrated between male counts in flight traps. (usda.gov)
  • Host‐plant use ( 13 C/ 14 C ratios) and genetic differentiation were estimated among sympatric E and Z pheromone strain O. nubilalis males collected in sex‐pheromone baited traps at 12 locations in Pennsylvania and New York between 2007 and 2010. (nsf.gov)
  • In addition, field attraction tests of traps baited with several combinations of candidate pheromone components identified in female body extracts of the yellow peach moth were conducted. (researchsquare.com)
  • Previous research has shown that mating disruption with the principle pheromone component can significantly reduce damage in almonds when the navel orangeworm is relatively abundant. (usda.gov)
  • This led to work on mating disruption using female pheromones to flood the orchard and disrupt the ability of males to find females. (ruraldelivery.net.nz)
  • trail-following pheromones (TFPs) and sex-pairing pheromones (SPPs), for example, have been identified in many termite species. (researchgate.net)
  • Musing on the potential adaptive benefits of male-induced demise, Dr. Brunet remarked that it would be "interesting, of course, to determine whether males also affect the lifespan of females in other species, particularly mammals. (genengnews.com)
  • longipalpis bites humans in different habitats, as well as the fact that female sand flies from nonanthropophilic populations can be induced to feed on humans in the laboratory indicate that this species has no strong innate host preference. (cdc.gov)
  • The third part deals with the analysis and identification of pheromones of the rare insect salt marsh bag moth species Whittleia retiella. (miun.se)
  • Identifying the pheromone opens up the possibility of monitoring this rare and threatened species to survey its distribution and habitat requirements in order to use appropriate conservation methods. (miun.se)
  • Females of one firefly group, the genus Photuris , have learned to copy other fireflies' flashes to attract the males of those species. (kqed.org)
  • It also triggered research on pheromones of leaf rollers and other pest species. (ruraldelivery.net.nz)
  • It was not easy because the compounds are volatile and are carried by the wind but eventually a plastic capillary dispenser containing pheromones of the important leaf roller species and codling moth was developed. (ruraldelivery.net.nz)
  • Geographic variation in male response to sex pheromone lures has been studied in the field in a number of moth species. (nsf.gov)
  • Pheromones are chemicals that are secreted or excreted by an individual and can trigger certain behavioral or social responses in members of the same species. (agarscentsbazaarperfumes.com)
  • Sex pheromones emitted by males and females tell other individuals about their species, well being, reproductive ability, availability and desire. (agarscentsbazaarperfumes.com)
  • Tests on recaptured mice indicated that the average number of contacts made between both males and females by mice that received the treatment - sham and testosterone - increased significantly increased after treatment. (vetscite.org)
  • Two of the latter group (i. e., methyl hexadecanoate and ethyl decanoate) attracted males and females, respectively. (iobc-wprs.org)
  • Female weevils tend to avoid fruit that other female weevils previously layed eggs on (oviposit) and scientists at USDA-ARS Center for Medical, Agricultural, and Veterinary Entomology, Gainesville FL, in collaboration with colleagues at Tennessee State University and University of Florida, found that an oviposition deterring pheromone was present in the plug. (usda.gov)
  • We propose the identified pheromone, comprised by a combination of volatile and contact acting components, improves oviposition site selection efficiency by pepper weevils on discrete hosts. (usda.gov)
  • nsects in several orders deposit marking pheromones following oviposition which signal the presence of eggs to subsequent females. (usda.gov)
  • Populations also vary in female oviposition preference for and larval performance on maize (C4) and nonmaize (C3) host plants. (nsf.gov)
  • This represents the first evidence of a female-borne compound attracting conspecific females in the Tephritidae family. (iobc-wprs.org)
  • Termites are eusocial insects known to use a variety of pheromones in tasks necessary for maintenance of their societies. (researchgate.net)
  • Gynandromorphy, which is characterized by the coexistence of male and female tissues in a single individual, is known in insects. (springer.com)
  • Alarm pheromones, food trail pheromones and sex pheromones affect behavior among many insects, vertebrates and plants, acting like chemical messengers between the individuals. (agarscentsbazaarperfumes.com)
  • In the first type of parasitic mating behavior, the unpaired male would rush toward the closely adhering female and paired male, and simultaneously perform emission behavior with close adhesion to the female (simultaneous emission). (bioone.org)
  • The second type of parasitic mating behavior was that the unpaired male would rush toward the female with spawned eggs hanging down from the genital pore several seconds after pair-spawning, perform emission behavior with close adhesion to the female without any prespawning behavior (post-spawn emission). (bioone.org)
  • Science has long recognized that urine, sweat and other bodily fluids contain chemical communication signals called pheromones that can influence the biology or behavior of others. (vetscite.org)
  • We discuss a possible mechanism for the observed unusual interruption of sexual behavior of the gynandromorph by reference to the fru expression pattern and our recent findings on the sexually dimorphic response to female-derived pheromones. (springer.com)
  • The reproductive success of simultaneous emission was not correlated with the timing and duration of spawning behaviors of the paired/ unpaired male, while the reproductive success of post-spawn emission significantly decreased as the length of time during which the paired male adhered to female increased. (bioone.org)
  • In contrast, these analyses indicate that pheromone response and pgfar ‐defined strain contribute significantly to population genetic differentiation. (nsf.gov)
  • In field attraction testing, the addition of Z 9-27:HC and Z 3, Z 6, Z 9-23:HC to binary aldehyde pheromones significantly increased trap catches of C. punctiferalis male adults. (researchsquare.com)
  • The females significantly chose the belowground parts of infested plants and there was a tendency for attraction to the aboveground parts of root-infested plants. (slu.se)
  • Utilizing in-house developed techniques, volatiles were collected and identified from individual plugs of which only the chemical compound acetophenone elicited a behavioral response by the female weevil in lab-based bioassays. (usda.gov)
  • Of the two major components observed by GC/MS analyses, only acetophenone elicited a behavioral response by the female weevil in small arena and wind tunnel assays. (usda.gov)
  • Thus, lack of physical linkage is not a constraint for coevolutionary divergence of female pheromone production and male behavioral response genes, in contrast to what is often predicted by evolutionary theory. (nsf.gov)
  • He says the acid test for their hypothesis would be to expose females to synthetic 4-ethyloctanal and to watch their reproductive behaviour change in the absence of any actual males. (nationalgeographic.com)
  • Indeed, the olive fruit fly has a peculiar sexual chemical ecology, guided by a rather wide number of male- and female-borne olfactory cues, mostly produced in glands associated to the rectal ampulla. (iobc-wprs.org)
  • Chemical cues and pheromones guide decisions in organisms throughout the animal kingdom. (biomedcentral.com)
  • Here, we provide a broad review of the chemical cues and pheromones used by the sea lamprey during reproduction, including overviews of the sea lamprey olfactory system, chemical cues and pheromones, and potential applications to population management. (biomedcentral.com)
  • Sea lamprey use chemical cues and pheromones to identify productive spawning habitat, coordinate spawning behaviors, and avoid risk. (biomedcentral.com)
  • Detection of chemicals can be integrated into the decision making processes of organisms via adaptations in receivers (chemical cues) or both receivers and signalers (pheromones) [ 1 ]. (biomedcentral.com)
  • Schematic illustrating the hypothesized functions of migratory cues, alarm cues, and mating pheromones during reproduction in sea lamprey. (biomedcentral.com)
  • He probes the male mouse's reaction to chemical signals from female mice to advance understanding of pattern recognition and learning in the much more complex human brain. (vetscite.org)
  • The ability of I. typographus to colonise host trees depends on its massive aggregation behaviour mediated by aggregation pheromones, consisting of 2-methyl-3-buten-2-ol and cis-verbenol. (researchgate.net)
  • Concerning the use of semiochemicals in Integrated Pest Management, control programs rely to the major component of the B. oleae female sex pheromone, while in both sexes the B. oleae sexual chemical ecology is driven by a higher number of compounds, largely unknown. (iobc-wprs.org)
  • It might be possible to utilize this knowledge in integrated pest management strategies to control this pest and the discovery of an unusual type of pheromone can guide the identification of similar pheromones produced by other Anthonomus pest weevils. (usda.gov)
  • This compound triggers sperm release by males. (wikipedia.org)
  • Something in his scent triggers hormonal changes in the females, who start to ovulate, or produce egg cells. (nationalgeographic.com)
  • Males pass some of these chemicals, including the highly potent lucibufagins, to females during the mating process. (kqed.org)
  • Females release their eggs (oogonia) along with a pheromone, the lamoxirene. (wikipedia.org)
  • Male oil beetles have unique kinks in their antennae for clasping females during courtship. (whatsthatbug.com)
  • Coupled gas chromatography-electroantennography, using the antennae of A. ervi, confirmed the physiological activity of these elevated compounds. (rothamsted.ac.uk)
  • Two compounds from infested plants repeatedly elicited responses from the antennae of female T. rapae in a gas chromatograph coupled with an electroantennograph (GC-EAD). (slu.se)
  • So instead of chemistry, these bigger, stronger fireflies became adept at imitation, and evolved to turn into insect vampires to take these valuable compounds from other fireflies to boost their own defenses. (kqed.org)
  • Pheromones have long been considered as one of the most efficient tools for the monitoring the flight phenology of insect pests. (researchsquare.com)
  • Such communication through pheromones or other diffusible substances points to a nonindividual autonomous mode of aging regulation. (genengnews.com)
  • A group of steroids found in female mouse urine goes straight to the male mouse's head, according to researchers at Washington University School of Medicine in St. Louis. (vetscite.org)
  • Both male and female beavers use the pheromone laced castoreum mixed with urine to mark their territory. (agarscentsbazaarperfumes.com)
  • The focus of this thesis is on purification methods, the separation of stereoisomers, analysis and identification, structure elucidation, the synthesis of identified compounds, and the evaluation of identified compounds in field trials. (miun.se)
  • For an effective field implementation of sex pheromone lures, it is essential to know the local sex pheromone blend and local timing of sexual communication. (nsf.gov)
  • Fleur de Tabac is a rich and full bodied fragrance meant for men and women, for the ones seeking scents of individuality and complexity. (agarscentsbazaar.com)
  • There are relatively few instances in mammals where an individual compound has been positively identified as having a pheromonal effect," he says. (nationalgeographic.com)
  • The hypothesis was that female T. rapae would be attracted to the volatiles from cabbage plants infested by cabbage root fly larvae (Delia radicum L.) and to the food-associated volatiles from buckwheat flowers (Fagopyrum esculentum Moench). (slu.se)
  • A combination of (+)-(1R, 2S)-grandisol and (-)-(R)-terpinen-4-ol was identified for the first time as the pheromone components of P. punctifrons. (miun.se)
  • Notably, despite several decades of research on B. oleae chemical ecology, only few sex pheromone components (mainly 1,7-dioxaspiro[5.5]undecane) have been investigated in-depth. (iobc-wprs.org)
  • To identify the other essential components of sex pheromone, male and female body extracts were analyzed. (researchsquare.com)
  • Two hydrocarbon components, ( Z )-9-heptacosene ( Z 9-27:HC) and (3 Z ,6 Z ,9 Z )-tricosatriene ( Z 3, Z 6, Z 9-23:HC), were identified from only female body extract. (researchsquare.com)
  • Based on the female and male body extract analysis and field attraction test, Z -9-27:HC and Z 3, Z 6, Z 9-23:HC were determined to be other essential sex pheromone components of the Korean C. punctiferalis population. (researchsquare.com)
  • To determine essential components as sex pheromones, Xiao et al. (researchsquare.com)
  • To determine the other essential components of sex pheromone, we analyzed the male and female body extracts of the Korean yellow peach moth population. (researchsquare.com)
  • Later, when B. oleae males become sexually mature, they increase the production of the compound (Z)-9-tricosene, which selectively attracts females. (iobc-wprs.org)
  • This alleged phenomenon of Menstrual Synchrony is apparently seen when women who begun living together in a close proximity, experience a menstrual cycle onset becoming synchronized in time… An example of seven lifeguard swimmers living together at the beginning of a summer to facilitate their training exercises, realized that after passing three months together that the onset of their menstrual cycles fell in a 4-day period. (amhe.org)
  • The article of Marthe McClintock was published in Nature Magazine in the 70's, stating that menstrual cycle synchronization happens when two or more women become closer in time together. (amhe.org)
  • It comprises a narrow tube containing the pheromones and a specially constructed wall that releases pheromones slowly over time. (ruraldelivery.net.nz)
  • This is the first time anyone has found the substance in a natural source, and it just so happens that it's a primer pheromone. (nationalgeographic.com)
  • Males that are deficient in pheromone production no longer induce a strong premature demise of hermaphrodites," observed the study's senior author Anne Brunet, Ph.D. an associate professor of genetics. (genengnews.com)
  • Understanding how female pheromone production and male preference coevolve to produce this diversity requires knowledge of the genes underlying change in both traits. (nsf.gov)
  • Chickens attract both male and female sand flies (Lutzomyia longipalpis), but are unable to sustain Leishmania infections, and their presence may exert a zooprophylactic effect. (cdc.gov)
  • It has been reported that B. oleae females produce a multi-component sex pheromone containing 1,7-dioxaspiro[5.5]undecane, methyl dodecanoate, alpha-pinene, nonanal, and several C6-C18 fatty acid esters. (iobc-wprs.org)
  • The ratio of ( E )‐11‐ and ( Z )‐11‐tetradecenyl acetate (E11‐ and Z11‐14:OAc) in the pheromone blend that females produce and males respond to differs between strains of O. nubilalis . (nsf.gov)
  • Its purpose is to collect a dose of 'eau de goat', so the team could identify the secret ingredients that allow male goats to turn females on. (nationalgeographic.com)
  • To identify these mystery pheromones, Murata's team analysed the odour samples collected by their gas-absorbing caps. (nationalgeographic.com)
  • Studies have shown that males, compared to females, experience more bouts of disease, and account for a larger share of disease transmission. (vetscite.org)
  • Stowers adds that the team haven't shown how the pheromone actually affects the GnRH neurons or how a brief sniff can lead to long-lasting changes over the course of several days. (nationalgeographic.com)
  • And Murata's group have assembled an even bigger team to find a similar pheromone in an even more commercially important animal-the cow. (nationalgeographic.com)
  • But she says that "this finding is unlikely to translate to human reproduction", since we don't seem to have any pheromone-detecting neurons similar to the ones that Murata studied in his goats. (nationalgeographic.com)
  • A well-known study on menstrual synchrony was published by Martha McClintock, an American psychologist who based her search on a group of women living in the dormitories at Wellesley College of liberal arts in the state of Massachusetts, USA. (amhe.org)
  • They knew that the male pheromones act on a particular group of neurons in the female's brain, which release a hormone called GnRH. (nationalgeographic.com)
  • Pheromone-4 O'du Cougar is intended for the individual who unabashedly-unapologetically sets standards and achieves their goal. (agarscentsbazaarperfumes.com)
  • So, there is also memory of individual chemical profiles of previously encountered males which blocks the effect of pheromone. (nationalgeographic.com)
  • However, only a few studies have investigated geographic variation in female calling and sex pheromone under field conditions. (nsf.gov)
  • These blades bear various sori containing sporangia, which release haploid spores, which will grow into microscopic female and male gametophytes. (wikipedia.org)
  • Other biologically active compounds such as ipsdienol and verbenone have al. (researchgate.net)
  • Purification and structure elucidation was done for an unknown bioactive compound in leaves from carrots (Daucus carota). (miun.se)
  • If you have a herd of female goats or sheep, you can quickly shunt them into the fertile part of their sexual cycles by introducing a male. (nationalgeographic.com)