Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Lester J. Wadhams"'
Autor:
Lúcia M. C. Rebouças, Maria do S. B. Caraciolo, Antônio E. G. Sant'Ana, John A. Pickett, Lester J. Wadhams, Eleanor M. Pow
Publikováno v:
Química Nova, Vol 22, Iss 5, Pp 645-648 (1999)
The hexane and methanolic extracts from pheromonal glands of Castnia licus (Drury) virgin females have been studied. Analyses by gas chromatography and mass spectrometry allowed us to determine the major constituents present in the hexane extract as
Externí odkaz:
https://doaj.org/article/05d287537cf04965bb34d4717dba519b
Publikováno v:
Physiological Entomology. 42:389-396
The attraction range of olfactory response by winged female gynoparae (autumn migrants that give birth to oviparae, the sexual females) and male damson–hop aphids Phorodon humuli (Schrank) is investigated in field experiments over 2 years by analyz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e4b17ef0ba895c2c80af53817cd99b1
https://doi.org/10.1111/phen.12211
https://doi.org/10.1111/phen.12211
Autor:
Helmut F. van Emden, Christine M. Woodcock, Sarah Y. Dewhirst, Lester J. Wadhams, John A. Pickett, Jane Dingley
Publikováno v:
Physiological Entomology. 39:285-291
The cornicle secretion of Myzus persicae reared on artificial diet only elicits an alarm response in plant-reared conspecifics after the young aphids have been transferred to plants for 7 days. Acetate in the form of 0.32% sodium acetate has been add
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7aca79192392cc9e6464f843b9caab03
https://doi.org/10.1111/phen.12074
https://doi.org/10.1111/phen.12074
Autor:
Lester J. Wadhams, J. I. Cook, Nina M. Stanczyk, Michael A. Birkett, Nicola J. Seal, A. Jennifer Mordue, Salvador A. Gezan, James G. Logan, Suzanne J. Clark, John A. Pickett
Publikováno v:
Journal of Medical Entomology. 46:208-219
The Scottish biting midge, Culicoides impunctatus (Diptera: Ceratopogonidae), is a major pest in Scotland, causing a significant impact to the Scottish tourist and forestry industries. C. impunctatus is a generalist feeder, preferring to feed on larg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a975218d643575f5eb081e8bf89db1d
https://doi.org/10.1603/033.046.0205
https://doi.org/10.1603/033.046.0205
Autor:
Teodora B. Toshova, Armin Tröger, Wittko Francke, Stephan Franke, Chiharu Koshio, Mitko Subchev, Lester J. Wadhams, Christine M. Woodcock, Robert Twele, John A. Pickett
Publikováno v:
Chemoecology. 19:47-54
The plum moth, Illiberis rotundata Jordan (Lepidoptera: Zygaenidae: Procridinae), is a pest of orchards in Japan and China. Few chemical ecological studies have been directed towards the Zygaenidae and particularly the Procridinae. To investigate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3de0965d799b575f3cb93d5839046ea6
https://doi.org/10.1007/s00049-009-0008-8
https://doi.org/10.1007/s00049-009-0008-8
Autor:
Christine M. Woodcock, Baldwyn Torto, J. van den Berg, Lesley E. Smart, John A. Pickett, Lester J. Wadhams
Publikováno v:
Journal of Applied Entomology. 132:490-496
Field trapping experiments investigated the response of the pollen beetle Astylus atromaculatus to visual and olfactory cues during a 3-year period, 1999-2001. The visual preference of the pollen beetle was determined using yellow, white, blue, green
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b40a7b29b192f7d897b020a20f400d6
https://doi.org/10.1111/j.1439-0418.2007.01259.x
https://doi.org/10.1111/j.1439-0418.2007.01259.x
Publikováno v:
Physiological Entomology. 18:343-348
Both the synthetic oviposition pheromone. erythro-6-acetoxy-5-hexadecanolide (0.01-80 mug) and a polluted water sample (0.01-80%) significantly increased oviposition by gravid female Culex quinquefasciatus Say (Diptera: Culicidae) in a laboratory ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f592b0212e51d9e530aae5d17c91af7e
https://doi.org/10.1111/j.1365-3032.1993.tb00607.x
https://doi.org/10.1111/j.1365-3032.1993.tb00607.x
Autor:
Mark Hassall, Keith Chamberlain, Lester J. Wadhams, William J. Sutherland, Roxana Arauco, Douglas W. Yu, David Edwards
Publikováno v:
Animal Behaviour. 74:377-385
Many traits of ant plants and their ant symbionts are thought to be coevolved, but there is little evidence for adaptation in these symbioses. We investigated the ant trait of worker attraction to, and consequent patrolling of, new plant shoots, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e54e246ea877a9f31765a0968c8d2fe
https://doi.org/10.1016/j.anbehav.2006.07.022
https://doi.org/10.1016/j.anbehav.2006.07.022
Publikováno v:
Crop Science. 47:730-734
The witchweed, Striga hermonthica (Del.) Benth., is a major constraint to maize (Zea mays L.) and sorghum [Sorghum bicolor (L.) Moench] production in sub-Saharan Africa. Intercropping maize and sorghum with desmodium (Desmodium spp.) effectively cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f71267ce2e3675bb02aca33941b00ca9
https://doi.org/10.2135/cropsci2006.07.0487
https://doi.org/10.2135/cropsci2006.07.0487
Publikováno v:
Crop Protection. 25:989-995
The African witchweed (Striga spp.) and lepidopteran stemborers are two major biotic constraints to the efficient production of maize in sub-Saharan Africa. Previous studies had shown the value of intercropping maize with Desmodium uncinatum in the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64c505e7b372593797c146c16602a774
https://doi.org/10.1016/j.cropro.2006.01.008
https://doi.org/10.1016/j.cropro.2006.01.008