Antimicrobial activity of exocrine glandular secretion of Chrysomela larvae.

abstract：:A sequence of reactions is presented for inverting the configurations of both epoxide carbons in 1,2-disubstituted epoxides. As examples, (+)-disparlure was converted to its enantiomer, (-)-disparlure, andexo-endo conversion of a cyclohexene oxide was demonstrated. ...

journal_title：Journal of chemical ecology

authors： Oliver JE,Waters RM,Harrison DJ

更新日期：1996-02-01 00:00:00

abstract：:The olfactory discrimination ability in a fruit-eating bat,Carollia perspicillata, was investigated. In a food-rewarded flight training procedure, four animals were taught to choose one of two odors simultaneously presented in a three-choice apparatus.Carollia chose the odor of ripe banana over that of unripe banana i...

journal_title：Journal of chemical ecology

authors： Laska M

更新日期：1990-12-01 00:00:00

abstract：:Several major chemicals in the glandular heads of type VI trichomes ofLycopersicon species were identified and quantified by gas chromatography and mass spectrometry. Two normal odd-chained ketones, 2-undecanone (47 ng) and 2-tridecanone (146 ng), and one unknown sesquiterpene (5 ng), comprised approximately 95% of th...

journal_title：Journal of chemical ecology

authors： Lin SY,Trumble JT,Kumamoto J

更新日期：1987-04-01 00:00:00

abstract：:The synthetic aggregation pheromone of the large milkweed bug, Oncopeltus fasciatus (Dallas) (Lygaeinae), also attracted males of the plant bug, Phytocoris difficilis Knight (Miridae). Field testing partial blends against the six-component blend comprising the Oncopeltus pheromone showed that cross-attraction of P. di...

journal_title：Journal of chemical ecology

authors： Zhang QH,Aldrich JR

更新日期：2003-08-01 00:00:00

abstract：:Optically pure synthetic enantiomers of (E)-conophthorin [(E)-7-methyl-1,6-dioxaspiro[4.5]decane], one of the volatiles affecting coniferophagous bark beetles, were tested on antennae of Ips typographus, I. duplicatus, I. subelongatus, Dendroctonus micans, and five Scolytus spp. by using combined gas chromatography-el...

journal_title：Journal of chemical ecology

authors： Zhang QH,Tolasch T,Schlyter F,Francke W

更新日期：2002-09-01 00:00:00

abstract：:Microplitis croceipes is a solitary parasitoid that specializes on noctuid larvae of Helicoverpa zea and Heliothis virescens. Both the parasitoid and its hosts are naturally distributed across a large part of North America. When parasitoids deposit their eggs into hosts, venom and polydnaviruses (PDVs) are also inject...

journal_title：Journal of chemical ecology

authors： Tan CW,Peiffer M,Hoover K,Rosa C,Felton GW

更新日期：2019-12-01 00:00:00

abstract：:In the laboratory, ovipositor probing in mated femaleOlesicampe monticola was elicited by freshCephalcia lariciphila frass but not by aged frass or freshly spun larval silk. Second instar sawfly larvae andLarix needles also elicited a low level of ovipositor probing. Extracts of frass in dichloromethane, but not hexan...

journal_title：Journal of chemical ecology

authors： Longhurst C,Baker R

更新日期：1981-01-01 00:00:00

abstract：:Bracon hebetor is a larval ectoparasitoid that utilizes several pests belonging to the family Pyralidae (Lepidoptera) as hosts. In the present study, we analyzed the kairomonal response of this wasp to the male-produced sex pheromone of a host, the greater wax moth Galleria mellonella, an economically important pest o...

journal_title：Journal of chemical ecology

authors： Dweck HK,Svensson GP,Gündüz EA,Anderbrant O

更新日期：2010-02-01 00:00:00

abstract：:Cardenolides are classically studied steroidal defenses in chemical ecology and plant-herbivore coevolution. Although milkweed plants (Asclepias spp.) produce up to 200 structurally different cardenolides, all compounds seemingly share the same well-characterized mode of action, inhibition of the ubiquitous Na+/K+ ATP...

journal_title：Journal of chemical ecology

authors： Züst T,Petschenka G,Hastings AP,Agrawal AA

更新日期：2019-01-01 00:00:00

abstract：:High foliar phenolics are generally assumed to increase resistance to insect herbivores, but recent studies show that tobacco lines modified to over- and underexpress phenolics do not exhibit higher constitutive resistance to caterpillars. This is contrary to the expectation that ingestion of tobacco phenolics, partic...

journal_title：Journal of chemical ecology

authors： Johnson KS,Felton GW

更新日期：2001-12-01 00:00:00

abstract：:We used a detailed analysis of feeding behavior to investigate the role of solanaceous alkaloids as sensory-based feeding deterrents for the Colorado potato beetle,Leptinotarsa decemlineata (Say). Experiments were conducted on three geographic, host-adapted populations of beetles to determine whether evolutionary chan...

journal_title：Journal of chemical ecology

authors： Harrison GD,Mitchell BK

更新日期：1988-03-01 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 honey locust gall midge, Dasineura gleditchiae Osten Sacken 1866 (Diptera: Cecidomyiidae) is the main pest of ornamental varieties of the honey locust tree, Gleditsia triacanthos L., in North America, and is now becoming a pest of concern in Europe. Female midges were observed to emerge in the early morning with t...

journal_title：Journal of chemical ecology

authors： Molnár B,Kárpáti Z,Szocs G,Hall DR

更新日期：2009-06-01 00:00:00

abstract：:The bearded weevil, Rhinostomus barbirostris (Coleoptera: Curculionidae: Dryophthorinae), attacks coconut trees, oil palms and other species of Arecaceae. Besides direct damage, R. barbirostris may be a vector of diseases in coconut and oil palms, such as stem bleeding (resinosis) and red ring disease. Currently, the ...

journal_title：Journal of chemical ecology

authors： Reis AC,Neta PLS,Jordão JP,Moura JIL,Vidal DM,Zarbin PHG,Fávaro CF

更新日期：2018-05-01 00:00:00

abstract：:Jasmonic acid (JA) is a key molecule initiating plant defensive responses to attack by pathogens and herbivores. This phytohormone is produced at sites of insect damage and is ingested by feeding insects, but its subsequent occurrence in insect tissues remains to be studied. We report the presence of JA in eggs and ne...

journal_title：Journal of chemical ecology

authors： Tooker JF,De Moraes CM

更新日期：2005-11-01 00:00:00

abstract：:Previous analyses of the scent gland secretions of snakes have focused on the nonvolatile components. Gas chromatography-mass spectrometry of secretions from North American garter snakes (Thamnophis butleri, T. couchi, T. elegans, T. melanogaster, andT. sirtalis) indicated the following seven major volatile components...

journal_title：Journal of chemical ecology

authors： Wood WF,Parker JM,Weldon PJ

更新日期：1995-02-01 00:00:00

abstract：:The significance of the geminal dimethyl group at C-6 of (+)-trans-veibenyl acetate (Ib), a sex pheromone mimic of the American cockroach, was investigated. Our interest was first directed to eliminating either methyl group of the geminal dimethyl group. Consequently, alcohols (IIIa and IVa) possessing a monomethyl gr...

journal_title：Journal of chemical ecology

authors： Manabe S,Takayanagi H,Nishino C

更新日期：1983-04-01 00:00:00

abstract：:The parasitoidsB. intermedia andB. lasus aggregate at sites previously frequented. Extracts from filter paper conditioned by aggregated parasitoids were chromatographed (adsorption column and gas-liquid chromatography) and bioassayed. An active component that elicited aggregation response forB. intermedia was isolated...

journal_title：Journal of chemical ecology

authors： Mohamed MA,Coppel HC

更新日期：1987-06-01 00:00:00

abstract：:Electroantennograms (EAGs) were recorded from male and female moths of two sympatric leaf folder species,Cnaphalocrocis medinalis (Gue-née) andMarasmia patnalis Bradley (Lepidoptera: Pyralidae) to 91 volatile chemicals of plant origin. Responses of both leaf folder species were similar to all compounds except to three...

journal_title：Journal of chemical ecology

authors： Ramachandran R,Khan ZR,Caballero P,Juliano BO

更新日期：1990-09-01 00:00:00

abstract：:Four acetates,Z-5-decenyl acetate,Z-5-,Z-7-, andZ-9-dodecenyl acetates, in microgram ratios of 1∶200∶2∶1 or 1∶200∶6∶2 were excellent, specific sex pheromone blends for capturing male redbacked cutworm moths in cone traps. Blends in ratios of 1∶200∶2∶1 and 2∶200∶2∶1 at 1000 μg/ rubber septum dispenser remained highly e...

journal_title：Journal of chemical ecology

authors： Struble DL

更新日期：1981-05-01 00:00:00

abstract：:Anal (proctodeal) glands of maleMicrotus agrestis housed in social isolation undergo severe atrophy. Their weight and volume is significantly lower than those of the stock control males. The atrophied glands can be revived by subjecting deprived voles to various social odors. Atrophied glands of isolated males do not ...

journal_title：Journal of chemical ecology

authors： Khan TY,Stoddart DM

更新日期：1986-12-01 00:00:00

abstract：:The cucurbitacins are oxygenated tetracyclic triterpenoids produced as secondary plant compounds by nearly all genera of Cucurbitaceae. The very bitter and toxic cucurbitacins are effective semiochemicals acting ecologically as allomones to protect the Cucurbitaceae from attack by a variety of invertebrate and vertebr...

journal_title：Journal of chemical ecology

authors： Metcalf RL

更新日期：1986-05-01 00:00:00

abstract：:Phenolic compounds have been identified as the most common allelochemicals produced by higher plants. Inhibitions of cinnamic acid, its related phenolic derivatives, and abscisic acid (ABA) on seedling growth and seed germination of lettuce were studied.trans-Cinnamic acid, ando-,m-, andp-coumaric acids inhibited the ...

journal_title：Journal of chemical ecology

authors： Li HH,Inoue M,Nishimura H,Mizutani J,Tsuzuki E

更新日期：1993-08-01 00:00:00

abstract：:Volatile chemicals produced by plants mediate host location, mate-finding and oviposition behavior in insects. State-dependent response to plant cues allows for timing of foraging, mating and oviposition on ephemeral host plants or plant parts. Caloptilia fraxinella is a herbivorous specialist on the foliage of ash tr...

journal_title：Journal of chemical ecology

authors： Lemmen-Lechelt JK,Wist TJ,Evenden ML

更新日期：2018-03-01 00:00:00

abstract：:The protein-precipitating capacities of tanniferous extracts from immature and mature leaves of threeShorea spp. (Dipterocarpaceae) seedlings were measured by an adaptation of Goldstein and Swain's β-glucosidase precipitation assay. Protein precipitation by the extracts was not correlated with total phenolics (Folin-D...

journal_title：Journal of chemical ecology

authors： Becker P,Martin JS

更新日期：1982-11-01 00:00:00

abstract：:The field responses of English populations of the Dutch elm disease vectors,Scolytus multistriatus andS. scolytus to baits containing 4-methyl-3-heptanol, a host synergist [(-)-α-cubebene or (-)-limonene] and (±)-α-, (+)-β-, (-)-β-, (±)-γ-, or (±)-δ-multistriatin were examined. (±)-α-Multistriatin, released at 5-10 μg...

journal_title：Journal of chemical ecology

authors： Blight MM,Fielding NJ,King CJ,Ottridge AP,Wadhams LJ,Wenham MJ

更新日期：1983-01-01 00:00:00

abstract：:The alkaloids solanine and tomatine and the polyene antibiotic nystatin were tested in vitro against the entomopathogenic fungusBeauveria bassiana. Nystatin was the most inhibitory compound tested, reducing colony formation, growth, and development of conidiaphores to a greater degree and at lower concentrations than ...

journal_title：Journal of chemical ecology

authors： Costa SD,Gaugler RR

更新日期：1989-02-01 00:00:00

abstract：:Although several studies have elucidated the role of plant epicuticular waxes in host recognition and oviposition by herbivorous insects, there is little known about this subject in Chrysomelidae. In the present study, chemical cues for host recognition behavior and oviposition by the monophagous chrysomelid species C...

journal_title：Journal of chemical ecology

authors： Müller C,Hilker M

更新日期：2001-05-01 00:00:00

abstract：:A compiled program, JCE-REFS.EXE (coded in the QuickBASIC language), for use on IBM-compatible personal computers is described. The program converts a DOS text file of current B-I-T-S (BIOSIS Information Transfer System) or BIOSIS Previews references into a DOS file of citations, including abstracts, in a general styl...

journal_title：Journal of chemical ecology

authors： Byers JA

更新日期：1992-09-01 00:00:00

abstract：:Chemical mimicry is an effective strategy when signal receivers recognize and discriminate models by relying on chemical cues. Some aphid enemies mimic the cuticular chemicals of aphids through various means thus avoiding detection and attack by aphid-tending ants. However, because ants have been reported to learn the...

journal_title：Journal of chemical ecology

authors： Hayashi M,Nomura M,Nakamuta K

更新日期：2016-03-01 00:00:00