CHEMOECOLOGY

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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
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
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
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
Sex pheromone of the large aspen tortrix, Choristoneura conflictana(Lepidoptera: Tortricidae)
CHEMOECOLOGY - - 2006
Maya L. Evenden, Regine Gries
Bacteria colonising Penstemon digitalis show volatile and tissue-specific responses to a natural concentration range of the floral volatile linalool
CHEMOECOLOGY - Tập 28 - Trang 11-19 - 2018
Rosalie C. F. Burdon, Robert R. Junker, Douglas G. Scofield, Amy L. Parachnowitsch
Bacteria on floral tissue can have negative effects by consuming resources and affecting nectar quality, which subsequently could reduce pollinator visitation and plant fitness. Plants however can employ chemical defences to reduce bacteria density. In North American, bee-pollinated Penstemon digitalis, the nectar volatile S-(+)-linalool can influence plant fitness, and terpenes such as linalool a...... hiện toàn bộ
Identification and field verification of aggregation-sex pheromone from the predaceous bug, Arma chinensis
CHEMOECOLOGY - Tập 29 - Trang 235-245 - 2019
Huihui Wu, Thomas A. Coudron, Lisheng Zhang, Jeffrey R. Aldrich, Weihong Xu, Jingyang Xu, Haifeng Wang, Deyu Zou
Arma chinensis is a predaceous insect species that can effectively suppress a wide range of agricultural and forest insect pests in the orders Lepidoptera, Coleoptera, Hymenoptera and Hemiptera in Northeast Asia. Adult A. chinensis males produce an aggregation-sex pheromone from dorsal abdominal glands and artificial aggregation-sex pheromone can attract adults of both sexes. The aggregation-sex p...... hiện toàn bộ
Piperidine alkaloids from fire ants are not sequestered by the green and black poison frog (Dendrobates auratus)
CHEMOECOLOGY - Tập 31 - Trang 391-396 - 2021
Ian Davison, Ralph A. Saporito, Lisa M. Schulte, Kyle Summers
Neotropical poison frogs possess alkaloid-based antipredator defenses which they sequester from a diet of arthropods such as oribatid mites and myrmicine ants. Alkaloid sequestration is still poorly understood and although several studies have examined its uptake, most experiments directly feed alkaloids to the frogs. Here, we examined the alkaloid uptake system in the poison frog species Dendroba...... hiện toàn bộ
Does defoliation induce chemical and morphological defenses in the leaves of silver birch seedlings under changing climate?
CHEMOECOLOGY - Tập 18 - Trang 85-98 - 2007
Liisa Huttunen, Pekka Niemelä, Riitta Julkunen-Tiitto, Susanne Heiska, Riitta Tegelberg, Matti Rousi, Seppo Kellomäki
We examined the effects of defoliation con-currently with elevated temperature and CO2 on some chemical and morphological characteristics in the leaves of silver birch seedlings (Betula pendula). We also analyzed the consequent changes in the palatability of leaves for adult blue alder leaf beetles (Agelastica alni). Under the different climatic treatments, the seedlings were subjected to three fe...... hiện toàn bộ
Triterpenoid and caffeic acid derivatives in the leaves of ragweed, Ambrosia artemisiifolia L. (Asterales: Asteraceae), as feeding stimulants of Ophraella communa LeSage (Coleoptera: Chrysomelidae)
CHEMOECOLOGY - Tập 14 - Trang 113-118 - 2004
Yasumori Tamura, Makoto Hattori, Kotaro Konno, Yoshiaki Kono, Hiroshi Honda, Hiroshi Ono, Mitsuru Yoshida
The leaf beetle Ophraella communa infests almost exclusively Ambrosia artemisiifolia in the fields of Japan, even though it normally feeds on several Asteraceous plants. A filter paper bioassay showed that the feeding of O. communa is strongly stimulated by methanolic extracts of A. artemisiifolia. The feeding stimulants for O. communa have been isolated from methanolic extracts of A. artemisiifol...... hiện toàn bộ
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