Selective sequestration of milkweed (Asclepias sp.) cardenolides inOncopeltus fasciatus (Dallas) (Hemiptera: Lygaeidae).

abstract：:The response of theCeutorhynchus assimilis antenna to volatiles in air entrainment-derived extracts of oilseed rape,Brassica napus, was studied using coupled gas chromatography (GC)-electroantennography (EAG) and coupled GC-single cell recording (SCR). By means of these techniques and coupled gas chromatography-mass s...

journal_title：Journal of chemical ecology

authors： Blight MM,Pickett JA,Wadhams LJ,Woodcock CM

更新日期：1995-11-01 00:00:00

abstract：:Leaf volatiles convey information about a plant to other organisms in their proximity. Despite increasing interest in understanding the relevance of volatile emissions for particular ecological interactions, there has been relatively little effort to assess generally what information volatile profiles transmit. We sur...

journal_title：Journal of chemical ecology

authors： Pearse IS,Gee WS,Beck JJ

更新日期：2013-01-01 00:00:00

abstract：:By utilizing one- and two-dimensional nuclear magnetic resonance techniques, the complete assignments of the proton and carbon spectra of the lactones anastrephin, epianastrephin, and suspensolide have been accomplished. These compounds are pheromone components for both the Caribbean and Mexican fruit flies. The relat...

journal_title：Journal of chemical ecology

authors： Baker JD,Heath RR

更新日期：1993-07-01 00:00:00

abstract：:Males of several species ofMyrmecocystus produce mandibular gland secretions that contain 2,4-dimethyl-2-hexenoic acid and a variety of monoterpenes that include neral, geranial, citronellol, limonene, and 2,6-dimethyl-5-hepten-1-ol. Other components identified include methyl anthranilate, octanal, octanol, octyl octa...

journal_title：Journal of chemical ecology

authors： Lloyd HA,Blum MS,Snelling RR,Evans SL

更新日期：1989-11-01 00:00:00

abstract：:The elytra of females of the white-spotted longhorn beetle, Anoplophora malasiaca (Coleoptera: Cerambycidae), are coated with a contact sex pheromone, which was previously shown to be composed of at least three chemical groups. Individually, the chemical groups had little pheromonal activity, but a blend of all three ...

journal_title：Journal of chemical ecology

authors： Fujiwara-Tsujii N,Yasui H,Yasuda T,Wakamura S,Akino T,Fukaya M,Suzuki T,Hoshi T,Hagiwara H,Ono H

更新日期：2019-06-01 00:00:00

abstract：:Recent studies have alerted us to the potential for conflicts between pathogen- and herbivore-induced plant defenses. The lack of studies on the induced chemical changes that simultaneous insect and pathogen attacks have on the host plant has become apparent. In the present study, we found that pepper plant volatile p...

journal_title：Journal of chemical ecology

authors： Cardoza YJ,Tumlinson JH

更新日期：2006-08-01 00:00:00

abstract：:Bark beetles (Coleoptera: Curculionidae, Scolytinae) have specialized feeding habits, and commonly colonize only one or a few closely related host genera in their geographical ranges. The red turpentine beetle, Dendroctonus valens LeConte, has a broad geographic distribution in North America and exploits volatile cues...

journal_title：Journal of chemical ecology

authors： Erbilgin N,Mori SR,Sun JH,Stein JD,Owen DR,Merrill LD,Bolaños RC,Raffa KF,Montiel TM,Wood DL,Gillette NE

更新日期：2007-01-01 00:00:00

abstract：:Sterol acquisition by soilborne plant pathogens of the genus Phytophthora is presumed to involve extracellular proteins belonging to class-I elicitins. However, little is known about the relationship between sterol availability and elicitin secretion. The objective of this study was to determine the expression of clas...

journal_title：Journal of chemical ecology

authors： Yousef LF,Yousef AF,Mymryk JS,Dick WA,Dick RP

更新日期：2009-07-01 00:00:00

abstract：:Entomophagous insects are often repelled by the secondary compounds of the plants eaten by their prey. These compounds, therefore, take on a defensive role for the phytophagous species that sequester them. Given that numerous entomophagous species are capable of learning, the effects on the foraging behavior of a repe...

journal_title：Journal of chemical ecology

authors： Le Roux AM,Le Roux G,Thibout E

更新日期：2002-11-01 00:00:00

abstract：:FourEscherichia coli strains carrying all the possible combinations of genes controlling sensitivity to near-UV (NUV;nur versusnur (+)) and far-UV (FUV;uvrA6 versusuvrA (+)) were inactivated with broad-spectrum NUV together with specific phototoxins. The inactivation kinetics of the four strains are consistent with th...

journal_title：Journal of chemical ecology

authors： Tuveson RW,Berenbaum MR,Heininger EE

更新日期：1986-04-01 00:00:00

abstract：:Three compounds have been identified as sex pheromone components produced by female fall webworm moths,Hyphantria cunea (Drury). These compounds are: (Z,Z)-9,12-octadecadienal (I), (Z,Z,Z)-9,12,15-octadecatrienal (II), and (Z,Z)-3,6-cis-9,10-epoxyheneicosadiene (III). The ratio of these compounds was approximately 5∶6...

journal_title：Journal of chemical ecology

authors： Hill AS,Kovalev BG,Nikolaeva LN,Roelofs WL

更新日期：1982-02-01 00:00:00

abstract：:Hypericin, an anthrone dimer inHypericum perforatum (Guttiferae), is shown for the first time to be phototoxic to generalist lepidopteran larvae; survivorship was reduced and development prolonged forHeliothis zea (Noctuidae) andPlatynota flavedana (Tortricidae) that consumed hypericin diets in the presence of light. ...

journal_title：Journal of chemical ecology

authors： Sandberg SL,Berenbaum MR

更新日期：1989-03-01 00:00:00

abstract：:Urine of male house mice, Mus musculus, is known to have primer pheromone effects on the reproductive physiology of female mice. Urine-mediated releaser pheromone effects that trigger certain behavioral responses are much less understood, and no field studies have investigated whether urine deposits by male or female ...

journal_title：Journal of chemical ecology

authors： Musso AE,Gries R,Zhai H,Takács S,Gries G

更新日期：2017-03-01 00:00:00

abstract：:Polydimethylsiloxane (PDMS) materials were used to quantify levels of the photosynthesis inhibitor sorgoleone in the undisturbed rhizosphere of sorghum plants. The materials used included stir bars coated with PDMS (stir bar sorptive extraction), technical grade optical fiber coated with a thin film of PDMS (matrix-so...

journal_title：Journal of chemical ecology

authors： Weidenhamer JD

更新日期：2005-02-01 00:00:00

abstract：:The effect of protein and birch bark powder (BBP) content of forage on detoxification capacity of root voles (Microtus oeconomus) was studied. Young voles were fed with eight different diets for two weeks. Individuals on low (3%) protein diets had significantly lighter livers and kidneys than those on moderate (6%) or...

journal_title：Journal of chemical ecology

authors： Harju A

更新日期：1996-04-01 00:00:00

abstract：:Arboreal marsupials consume terpenes in quantities that are toxic to other mammals, indicating that they possess special detoxification mechanisms. The metabolic fate of dietary terpenes was studied in the common ringtail possum (Pseudocheirus peregrinus). Three animals were fedEucalyptus radiata leaf for 10 days. Lea...

journal_title：Journal of chemical ecology

authors： McLean S,Foley WJ,Davies NW,Brandon S,Duo L,Blackman AJ

更新日期：1993-08-01 00:00:00

abstract：:The effect of cacalol and extracts (water and petroleum ether) derived from the roots ofPsacalium decompositum (Asteraceae) on the germination and radicle growth of two plants.Amaranthus hypochondriacus (Amaranthaceae) andEchinochloa crusgalli (Poaceae), and on the radial growth of four phytopathogenic fungi is descri...

journal_title：Journal of chemical ecology

authors： Anaya AL,Hernández-Bautista BE,Torres-Barragán A,León-Cantero J,Jiménez-Estrada M

更新日期：1996-03-01 00:00:00

abstract：:Many compounds related to (+)-bornyl acetate (a sex phero-mone mimic of the American cockroach) were synthesized and tested for sex pheromonal activity. All compounds except for esters of (+)- and (-)-borneol were inactive, whereas (+)-bornyl acetate (Ib) and propionate (Ic) showed the activity at 0.05 mg. Although (-...

journal_title：Journal of chemical ecology

authors： Manabe S,Nishino C

更新日期：1983-03-01 00:00:00

abstract：:The potential for pheromone-based mating disruption of the Brassica pest Contarinia nasturtii was tested, both in small-scale plots with Brussels sprouts and in commercial-scale fields with either broccoli or cauliflower. Experiments in the small-scale plots used laboratory-reared insects released into a previously un...

journal_title：Journal of chemical ecology

authors： Samietz J,Baur R,Hillbur Y

更新日期：2012-09-01 00:00:00

abstract：:Visual and acoustic cues may serve as aposematic signals that warn predators of poisonous foods. Olfactory aposematism, the use of innocuous odors as warning signals for toxic foods, is another possible means of alerting an animal that a potential food item is unpalatable. Although it has been suggested that olfactory...

journal_title：Journal of chemical ecology

authors： Camazine S

更新日期：1985-09-01 00:00:00

abstract：:Analysis of ovipositor extracts of lab-reared (> 120 generations) and wildHeliothis zea indicated small but significant differences in the percent composition of the four aldehyde components of the sex pheromone. (Z)-11-hexadecen-1-ol (Z11-16∶OH) was present in both populations and amounted to only 2.8% of the total p...

journal_title：Journal of chemical ecology

authors： Raina AK,Stadelbacher EA,Ridgway RL

更新日期：1989-04-01 00:00:00

abstract：:Trapping experiments were carried out near Winnipeg, Canada, in the spring of 1987 and 1988 to test attraction of crucifer-feeding flea beetles to volatile glucosinolate (GS) hydrolysis products released from glass vials. Nine isothiocyanates (IC) or mustard oils and three nitriles (CN) were tested. The pattern of att...

journal_title：Journal of chemical ecology

authors： Pivnick KA,Lamb RJ,Reed D

更新日期：1992-06-01 00:00:00

abstract：:The herbivore-induced response of alfalfa (Medicago sativa) was examined through assays with Spodoptera littoralis larvae and analyses of important secondary substances. In food preference experiments, larvae preferred young undamaged alfalfa plants over plants that had been damaged by feeding larvae 5 and 7 days earl...

journal_title：Journal of chemical ecology

authors： Agrelli J,Oleszek W,Stochmal A,Olsen M,Anderson P

更新日期：2003-02-01 00:00:00

abstract：:Carrion beetles of the subfamily Nicrophorinae search and bury a carcass that they utilize for reproduction. After burial, the carcass is coated with oral secretions that delay its decomposition. Previously, oral secretions of Nicrophorus marginatus were found to show antimicrobial activity, whereas secretion of N. ca...

journal_title：Journal of chemical ecology

authors： Jacques BJ,Akahane S,Abe M,Middleton W,Hoback WW,Shaffer JJ

更新日期：2009-08-01 00:00:00

abstract：:The major component of the sex pheromone of femaleSpodoptera littoralis, (Z,E)-9,11-tetradecadienyl acetate (1), elicited all steps of the male behavioral sequence, i.e., wing fanning and taking flight, oriented upwind flight and arrival to the middle of the tunnel, close approach and contact with the source. The acti...

journal_title：Journal of chemical ecology

authors： Quero C,Lucas P,Renou M,Guerrero A

更新日期：1996-06-01 00:00:00

abstract：:Fertile queens of the antMonomorium pharaonis produce a chemical substance which is not present in worker ants or in young, alate (virgin) queens. The material has been identified as (E,E,E)-1-isopropenyl-4,8,12-trimethylcyclotetradeca-3,7,11-triene (neocembrene). This chemical is produced in the Dufour's gland of fer...

journal_title：Journal of chemical ecology

authors： Edwards JP,Chambers J

更新日期：1984-12-01 00:00:00

abstract：:Nitrogen-limited plants ofHeterotheca subaxillaris accumulate greater quantities of leaf volatile terpenes than do nitrogen-rich plants. A series of feeding trials were performed to determine if such nitrate-limited plants are better defended against generalist-feeding insect herbivores. Soybean looper (Pseudoplusia i...

journal_title：Journal of chemical ecology

authors： Mihaliak CA,Couvet D,Lincoln DE

更新日期：1987-11-01 00:00:00

abstract：:The salticid spider Cosmophasis bitaeniata preys on the larvae of the green tree ant Oecophylla smaragdina. Gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) reveal that the cuticle of C. bitaeniata mimics the mono- and dimethylalkanes of the cuticle of its prey. Recognition bioassays with extra...

journal_title：Journal of chemical ecology

authors： Allan RA,Capon RJ,Brown WV,Elgar MA

更新日期：2002-04-01 00:00:00

abstract：:Many species of longhorn beetles (Coleoptera: Cerambycidae) utilize male-produced aggregation-sex pheromones that attract both sexes. However, the reasons why and the details of how this type of pheromone is used by cerambycids and other coleopteran species that utilize analogous male-produced pheromones remain unclea...

journal_title：Journal of chemical ecology

authors： Collignon RM,Cale JA,McElfresh JS,Millar JG

更新日期：2019-03-01 00:00:00

abstract：:Toads of the genus Bufo synthesize and accumulate bufadienolides (BDs) in their parotoid glands. BDs are cardiotonic steroids that play an important role in defense against the toads' predators. Three bufonid taxa occur in mainland Japan, Bufo japonicus formosus, B. j. japonicus, and B. torrenticola. The chemical stru...

journal_title：Journal of chemical ecology

authors： Inoue T,Nakata R,Savitzky AH,Yoshinaga N,Mori A,Mori N

更新日期：2020-10-01 00:00:00