Temporal changes in colony cuticular hydrocarbon patterns ofSolenopsis invicta : Implications for nestmate recognition.

abstract：:We conducted defoliation experiments with 7- to 8-year-old clones of Douglas fir [Pseudotsuga menziesii (Mirb.) Franco var. glauca] to assess the role of monoterpenes as a resistance mechanism to western spruce budworm (Choristoneura occidentalis Freeman) defoliation. The grafted clones were derived from mature trees ...

journal_title：Journal of chemical ecology

authors： Chen Z,Kolb TE,Clancy KM

更新日期：2002-05-01 00:00:00

abstract：:All possible isomeric mono-methylpentacosanes as well as 2,6-, 2,8-, 2,10-, 2,12-, and 2,14-dimethylheptacosane were synthesized. The [(13)C]NMR shifts and the Kovats indices were determined, and the relationship to separation of isomeric mixtures of insect cuticular waxes are discussed. When several homologous series...

journal_title：Journal of chemical ecology

authors： George Pomonis J,Hakk H,Fatland CL

更新日期：1989-09-01 00:00:00

abstract：:Four species of Acridoidea were fed on wheat leaves with and without the condensed tannin, quebracho. In no case was it deleterious to survival and growth at levels below about 10% dry weight on the food. Similarly, consumption, digestibility, and utilization of food were unaffected at up to 10% dry weight. At higher ...

journal_title：Journal of chemical ecology

authors： Bernays EA,Chamberlain DJ,Leather EM

更新日期：1981-03-01 00:00:00

abstract：:Selected combinations of (Z)-5-decenyl, (Z)-7-dodecenyl, and (Z)-9-tetradecenyl acetates, the pheromone components of the turnip mothAgrotis Segetum were tested for field attractancy at six, two, and three sites in Europe, Asia, and Africa, respectively. At all of the sites in Eurasia and in northern Africa the ternar...

journal_title：Journal of chemical ecology

authors： Tòth M,Löfstedt C,Blair BW,Cabello T,Farag AI,Hansson BS,Kovalev BG,Maini S,Nesterov EA,Pajor I,Sazonov AP,Shamshev IV,Subchev M,Szöcs G

更新日期：1992-08-01 00:00:00

abstract：:Using traps baited with natural and synthetic onion volatiles, we examined the effects of different habitats and mating on the olfactory behavior of laboratory-reared and wild onion flies. Rankings of olfactory treatments as host-finding stimuli for females were dependent on their mating status and the habitat in whic...

journal_title：Journal of chemical ecology

authors： Judd GJ,Borden JH

更新日期：1992-04-01 00:00:00

abstract：:Phaseolus vulgaris L. cv. 'Pinto' bean is a local lesion host for the plant pathogen Southern bean mosaic virus (SBMV) and its vector is the Mexican bean beetle, Epilachna varivestis Mulsant. The objective of this study was to determine if prior feeding by the beetle would affect 'Pinto' bean's resistance to SBMV and ...

journal_title：Journal of chemical ecology

authors： Musser RO,Hum-Musser SM,Slaten-Bickford SE,Felton GW,Gergerich RC

更新日期：2002-08-01 00:00:00

abstract：:We investigated the effects of host species and resource (carbon dioxide, nitrate) availability on activity of detoxication enzymes in the gypsy moth,Lymantria dispar. Larvae were fed foliage from quaking aspen or sugar maple grown under ambient or elevated atmospheric CO2, with low or high soil NO 3 (-) availability....

journal_title：Journal of chemical ecology

authors： Lindroth RL,Jung SM,Feuker AM

更新日期：1993-02-01 00:00:00

abstract：:In crop plants, both mechanical damage and insect attack trigger rapid changes in gene transcription. We investigated whether insect herbivory differs from a general wound response, and if so, is the induction specific to the pest/host plant interaction? Herbivory by beet armyworm (BAW; Spodoptera exigua) caterpillars...

journal_title：Journal of chemical ecology

authors： Lawrence SD,Novak NG

更新日期：2004-12-01 00:00:00

abstract：:This study describes the identification of an aggregation pheromone for the pepper weevil,Anthonomus eugenii and field trials of a synthetic pheromone blend. Volatile collections and gas chromatography revealed the presence of six male-specific compounds. These compounds were identified using chromatographic and spect...

journal_title：Journal of chemical ecology

authors： Eller FJ,Bartelt RJ,Shasha BS,Schuster DJ,Riley DG,Stansly PA,Mueller TF,Shuler KD,Johnson B,Davis JH,Sutherland CA

更新日期：1994-07-01 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：:Soluble sugars are essential nutrients generally perceived as phagostimulants to most insects studied. However, tannins are known as digestibility reducers, hence deleterious to caterpillar development, and as deterrents as well. Previous work demonstrated that larvae of the polyphagous oblique-banded leafroller, Chor...

journal_title：Journal of chemical ecology

authors： Panzuto M,Mauffette Y,Alber PJ

更新日期：2002-01-01 00:00:00

abstract：:Temporal gland secretion (TGS), obtained from 15 different mature African elephants in Kruger National Park was analyzed for volatile constituents. Only five volatile components were present.p-Cresol was present in all samples, but phenol was found as an appreciable component of only one sample and as trace amounts in...

journal_title：Journal of chemical ecology

authors： Wheeler JW,Rasmussen LE,Ayorinde F,Buss IO,Smuts GL

更新日期：1982-05-01 00:00:00

abstract：:Recently parasitoids were hypothesized to encounter a reliability-detectability problem relating to chemical stimuli from the first and second trophic level, when searching for hosts. The relative role of infochemicals originating from the host,Pieris brassicae (second trophic level), and its food plant, cabbage (firs...

journal_title：Journal of chemical ecology

authors： Steinberg S,Dicke M,Vet LE

更新日期：1993-01-01 00:00:00

abstract：:The Evolution of Increased Competitive Ability (EICA) hypothesis posits that invasive plants in introduced habitats with reduced herbivore pressure will evolve reduced levels of costly resistance traits. In light of this hypothesis, we examined the constitutive and inducible expression of five chemical defense traits ...

journal_title：Journal of chemical ecology

authors： Cipollini D,Mbagwu J,Barto K,Hillstrom C,Enright S

更新日期：2005-06-01 00:00:00

abstract：:Osmoderma eremita (Scopoli) is an endangered scarab beetle living in hollow trees. It has mainly been known for its characteristic odor, typically described as a fruity, peachlike or plumlike aroma. The odor emanating from a single beetle can sometimes be perceived from a distance of several meters. In this paper, we ...

journal_title：Journal of chemical ecology

authors： Larsson MC,Hedin J,Svensson GP,Tolasch T,Francke W

更新日期：2003-03-01 00:00:00

abstract：:Sirex noctilio females are known to be attracted to stem sections of stressed pine trees for oviposition. The volatile profiles and attractiveness of Eastern white pine (Pinus strobus) and two chemotypes of Scots pine (P. sylvestris) were compared after stem injection with herbicide. In general, trap captures on herbi...

journal_title：Journal of chemical ecology

authors： Böröczky K,Zylstra KE,McCartney NB,Mastro VC,Tumlinson JH

更新日期：2012-02-01 00:00:00

abstract：:Simple inorganic salts of the ions K(+), NH 4 (+) , Cs(+), NO 3 (-) , and Cl(-) are strongly repellent to infective second-stage larvae of the root knot nematode,Meloidogyne incognita. Some of these salts are known to be beneficial to plant growth. The results suggest a new means of plant protection. ...

journal_title：Journal of chemical ecology

authors： Castro CE,Belser NO,McKinney HE,Thomason IJ

更新日期：1990-04-01 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：:Plants have evolved intricate defence strategies against herbivore attack which can include activation of defence in response to stress-related volatile organic compounds (VOCs) emitted by neighbouring plants. VOCs released by intact molasses grass (Melinis minutiflora), have been shown to repel stemborer, Chilo parte...

journal_title：Journal of chemical ecology

authors： Tolosa TA,Tamiru A,Midega CAO,Van Den Berg J,Birkett MA,Woodcock CM,Bruce TJA,Kelemu S,Pickett JA,Khan ZR

更新日期：2019-12-01 00:00:00

abstract：:Mammalian scent marking is often associated with territorial defense. However, males and females may demonstrate different activity patterns and play different roles. Female mammals nurture the young during lactation, while males purportedly perform other tasks more frequently, such as territorial maintenance and defe...

journal_title：Journal of chemical ecology

authors： Rosell F,Thomsen LR

更新日期：2006-06-01 00:00:00

abstract：:The genus Phyllodesmium (Aeolidoidea, Gastropoda) comprises shell-less marine snails, whose defense strategies are not well investigated yet. Here we report results of the first chemical investigation of P. briareum, as well as a re-investigation of P. longicirrum and P. magnum. Briarane diterpenes were isolated from ...

journal_title：Journal of chemical ecology

authors： Bogdanov A,Kehraus S,Bleidissel S,Preisfeld G,Schillo D,Piel J,Brachmann AO,Wägele H,König GM

更新日期：2014-09-01 00:00:00

abstract：:The released pheromone and the glandular lipids, labeled with [(14)C]acetate, were analyzed fromChoristoneura orae andChoristoneura fumiferana budworm moths by thin-layer chromatography and autoradiography. Radiolabeled lipids in the gland appeared to be identical in the two moths with both insects containing high amo...

journal_title：Journal of chemical ecology

authors： Morse D,Meighen EA

更新日期：1990-05-01 00:00:00

abstract：:Fleshy fruits contain a myriad of secondary metabolites that may fulfill various non-mutually exclusive ecological functions. Among them are defense against pathogens and herbivores, manipulation of frugivores' gut retention time, or controlling the germination process. In addition, it has been suggested that aroma co...

journal_title：Journal of chemical ecology

authors： Nevo O,Heymann EW,Schulz S,Ayasse M

更新日期：2016-04-01 00:00:00

abstract：:Coniferyl benzoate, a secondary metabolite found in quaking aspen (Populus tremuloides) and other plants, is an avian feeding deterrent of ecological and potential commercial importance. This study was conducted to determine if coniferyl benzoate is a trigeminal stimulant for birds and to ascertain if trigeminal chemo...

journal_title：Journal of chemical ecology

authors： Jakubas WJ,Mason JR

更新日期：1991-11-01 00:00:00

abstract：:InNauphoeta cinerea, male calling behavior is associated with sex pheromone release by the sternal glands. The male pheromone that attracts females from a distance is a mixture of 2-methylthiazolidine and 4-ethylguaiacol. It is active at very low concentrations, 0.05 and 0.01 ng, respectively. Two other compounds, 3-h...

journal_title：Journal of chemical ecology

authors： Sirugue D,Bonnard O,Le Quere JL,Farine JP,Brossut R

更新日期：1992-12-01 00:00:00

abstract：:Female smaller tea tortrix mothsAdoxophyes sp. (Lepidoptera: Tortricidae), which initiated calling at 1, 2, or 3 days old, respectively, were analyzed individually for (Z)-11-tetradecenyl acetate (Z11-14:OAc) and (Z)-9-tetradecenyl acetate (Z9-14: OAc) in the pheromone gland via GLC. Among different age groups, broad ...

journal_title：Journal of chemical ecology

authors： Kou R,Chow YS

更新日期：1991-09-01 00:00:00

abstract：:Male cabbage looper moths,Trichoplusia ni, from two colonies in which all females express an abnormal sex pheromone production phenotype were evaluated in a laboratory wind tunnel for upwind flight responses to the normal and abnormal sex pheromones. The abnormal sex pheromone blend consisted of 20 times as much (Z)-9...

journal_title：Journal of chemical ecology

authors： Liu YB,Haynes KF

更新日期：1994-02-01 00:00:00

abstract：:Stingless bees (Hymenoptera, Apidae: Meliponini) represent a highly diverse group of social bees confined to the world's tropics and subtropics. They show a striking diversity of structural and behavioral adaptations and are important pollinators of tropical plants. Despite their diversity and functional importance, t...

journal_title：Journal of chemical ecology

authors： Leonhardt SD

更新日期：2017-04-01 00:00:00

abstract：:Several unsaturated aldehydes are produced from polyunsaturated fatty acids via the lipoxygenase pathway when soybean (Glycine max) plants are wounded mechanically or by pathogens. The effects of four of these aldehydes were examined on the growth of isolated fungal cultures ofColletotrichum truncatum, Rhizoctonia sol...

journal_title：Journal of chemical ecology

authors： Vaughn SF,Gardner HW

更新日期：1993-10-01 00:00:00

abstract：:Three allelochemicals from rye or its breakdown products were evaluated for activity on garden cress (Lepidum sativum L.), barnyardgrass [Echinochloa crus-galli (L.) Beauv.], cucumber (Cucumis sativus L.), and snap bean (Phaseolus vulgaris L.). 2,4-Dihydroxy-1,4(2H)-benzoxazin-3-one (DIBOA), 2(3H)-benzoxazolinone (BOA...

journal_title：Journal of chemical ecology

authors： Chase WR,Nair MG,Putnam AR

更新日期：1991-01-01 00:00:00