CHEMOECOLOGY

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Alkaloid tolerance in Manduca sexta and phylogenetically related sphingids (Lepidoptera: Sphingidae)
CHEMOECOLOGY - Tập 12 - Trang 29-46 - 2002
Michael Wink, Vera Theile
Nicotine tolerance is well known for Manduca sexta. It also occurs in several other sphingids of the subfamilies Macroglossinae and Sphinginae. Only members of the subfamily Smerinthinae appear to be more susceptible to nicotine intoxication. Phylogenetic trees have been reconstructed from mitochondrial 16S rDNA and nuclear DNA to map nicotine tolerance.¶The nicotine binding site of both α-subunit... hiện toàn bộ
d-Pinitol as a key oviposition stimulant for sulfur butterfly, Colias erate: chemical basis for female acceptance of host- and non-host plants
CHEMOECOLOGY - Tập 22 - Trang 55-63 - 2011
Keiichi Honda, Hiroshi Minematsu, Ken’ichiro Muta, Hisashi Ômura, Wataru Nishii
The sulfur butterfly, Colias erate, utilizes various legumes as host plants. We examined the chemical constituents of its primary host plant, Trifolium repens (white clover), to identify phytochemicals inducing oviposition by C. erate females. Since one of the four aqueous subfractions prepared from a methanolic extract of the plant has previously been shown to be the most responsible for the ovip... hiện toàn bộ
Pygidial gland secretions of Carabus Linnaeus, 1758 (Coleoptera: Carabidae): chemicals released by three species
CHEMOECOLOGY - - 2020
Nikola Vesović, Srećko Ćurčić, Marina Todosijević, Marija Nenadić, Wang Zhang, Ljubodrag Vujisić
Age-dependent attractivity of males’ sexual pheromones in Bombus terrestris (L.) [Hymenoptera, Apidae]
CHEMOECOLOGY - Tập 21 - Trang 75-82 - 2011
Audrey Coppée, Tifany Mathy, Marie-Claire Cammaerts, François J. Verheggen, Michael Terzo, Stéphanie Iserbyt, Irena Valterová, Pierre Rasmont
Males of Bombus terrestris (L.) adopt a patrolling behaviour during their nuptial parade using cephalic labial gland (CLG) secretions containing sexual pheromones to attract conspecific virgin queens. The changes in chemical composition of their CLG secretions with age are quite well known. In this study, we investigate the evolution of CLG secretions with age in greater detail and compare behavio... hiện toàn bộ
Response of the predatorRhizophagus grandis to host plant derived chemicals inDendroctonus micans larval frass in wind tunnel experiments (Coleoptera: Rhizophagidae, Scolytidae)
CHEMOECOLOGY - - 1991
D. Wainhouse, Tristram T.D. Wyatt, Alun Phillips, David R. Kelly, Mehrdad Barghian, P.A. Beech-Garwood, David Cross, R. S. Howell
A synergism between dimethyl trisulfide and methyl thiolacetate in attracting carrion-frequenting beetles demonstrated by use of a chemically-supplemented minimal trap
CHEMOECOLOGY - Tập 31 - Trang 79-87 - 2020
Stephen T. Trumbo, John A. Dicapua
Volatile organic compounds derived from microbes recruit insects to carrion, shaping community assembly and ecological succession. The importance of individual volatiles and interactions between volatiles are difficult to assess in the field because of (1) the myriad compounds from decomposing animals and (2) the likelihood that complex volatile blends are important for the final approach to carri... hiện toàn bộ
Cuticular compounds of workers and queens in two Leptothorax ant species — a comparison of results obtained by solvent extraction, solid sampling, and SPME
CHEMOECOLOGY - Tập 12 - Trang 15-21 - 2002
J. Tentschert, H. J. Bestmann, J. Heinze
We investigated cuticular hydrocarbons and fatty acids of workers and queens from two ant species, Leptothorax acervorum and L. gredleri. Cuticular compounds were extracted from single ants by solvent extraction, solid sampling, and solid phase microextraction (SPME) with two different polydimethylsiloxane (PDMS) fibers and analyzed using GC and GC-MS. All three methods gave similar results, docum... hiện toàn bộ
Differing patterns of sequestration of iridoid glycosides in the Mecininae (Coleoptera, Curculionidae)
CHEMOECOLOGY - - 2012
Christian Ulrich Baden, Stephan Franke, Susanne Dobler
Allelochemicals from Thapsia garganica leaves for Lolium perenne L. control: the magic of mixtures
CHEMOECOLOGY - Tập 32 - Trang 81-87 - 2022
Ghofrane Jmii, Jesús G. Zorrilla, Rabiaa Haouala
Luteolin 7-O-glucoside (1), 10β-acetoxy-8α-butyryloxy-11α-hydroxy-2β-((2-methylbutanoyl)oxy)-1βH,6αH,7αH,11βH-guaian-3-en-12,6-olide (2) and thapsigargin (3) herbicidal activities’ were evaluated in comparison with their binary and tertiary mixtures, against Lolium perenne. These allelochemicals were isolated from Thapsia garganica leaves methanolic extract. Experiments were carried out by irrigat... hiện toàn bộ
Electrophysiological responses and field attraction of the grey corn weevil, Tanymecus (Episomecus) dilaticollis Gyllenhal (Coleoptera: Curculionidae) to synthetic plant volatiles
CHEMOECOLOGY - Tập 20 - Trang 199-206 - 2010
Teodora B. Toshova, Dimitar I. Velchev, Mitko A. Subchev, Miklós Tóth, József Vuts, John A. Pickett, Sarah Y. Dewhirst
The grey corn weevil, Tanymecus (Episomecus) dilaticollis, is an economically important polyphagous pest in Eastern and Central Europe. The present research is the first published electrophysiological study of olfactory sensitivity of adult T. dilaticollis to plant volatiles. The electrophysiological responses of male and female antennae were recorded to 20 synthetic volatile organic compounds (VO... hiện toàn bộ
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