They do not recognize political boundaries and are free to move about wherever suitable host plants occur. Read discrimination of eubazus hymenoptera, braconidae sibling species using geometric morphometrics analysis of wing venation, systematic entomology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at. Parasitoid assemblage associated with a north american. Identification of the postlarval penaeus crustacea. Palmitic acid was the predominant fatty acid followed by stearic acid in three types of leaves. For your reference, the confirmation number for this request is. Invasive plant species have similarly strong economic impacts. Upucerthia validirostris wikispecies, free species directory. Proceedings of xi international symposium on biological control of weeds, 27 april2 may 2003, canberra, australia. Since 1968, three species of conifer aphids have been introduced into eastern and southern africa.
An empirical ecologicaltype model for predicting stone pine pinus pinea l. The recently established garden route national park grnp along the cape south coast of south africa occurs in a landscape where indigenous forests, fireprone fynbos shrublands and firesensitive plantations of alien invasive trees are interspersed. Along the mediterranean coast of spain the species is much fished for and sold cooked or salted zariquiey alvarez, 1968. An international journal of forest research, volume 21, issue 2, 1 ja. Treehoppers can be controlled by applying insecticides. Gbif global biodiversity information facility free and open access to biodiversity data occurrences species datasets publishers resources. Pdf the pine weevils that occur in plantations of pinus spp. Curculionidae is a major pest in spruce plantations in western canada. Why are seed cones of swiss stone pine pinus cembra not. Insects are considered the most important seed predators during the predispersal phase of seed. The effects of insect larval diet on adult olfactory responses to hostplant or food volatiles are still debated.
Furthermore, the pine cone weevil pissodes validirostris attacks p. Pissodes article about pissodes by the free dictionary. Seed and cone insects, as well as pathogenic fungi, reduce cone and seed production annila 1976, roques 1983, turgeon et al. With the exception of the european pissodes validirostris, which develops. Host plant specialization and resource use focus on p. Image subid scientific name common name autid photographer org baseimgurl landscape description. Curculionidae volume 108 issue 7 judy bodenham, robert e. Longchain free fatty acids from momordica cochinchinensis. They are widely distributed in the northern hemisphere, their distribution mirroring that of plants in the pinaceae, the pine family, which includes most of their host trees. Curculionidae, was considered as the most promising candidate for biological control of invasive pines because it frequently destroys 80% of the annual cone crop in parts of europe, and 23 weevil larvae are enough to destroy a cone and all its seeds roques 1976. This workshop provided an opportunity for researchers and. The buffalo treehopper, stictocephala or ceresa bubalus, 6 to 8 mm 0.
Species limits and clinal variation in a widespread high andean furnariid. Free photos animals photos crustaceans photos dartnose pear crab pyromaia cuspidata 448 to view or save this photo in high resolution, just click the photo to see the full imagethe full image is much higher quality and not pixelated. Curculionidae, is the only member of its genus feeding on the seed cones of pines, and in the iberian peninsula it is an important pest of pinus pinea linnaeus cones, causing economic losses. All structured data from the file and property namespaces is available under the creative commons cc0 license. Identification of the postlarval penaeus crustacea, decapoda, penaeidae appearing along shore waters.
Forests free fulltext pine pitch canker and insects. List of weevil curculionoidea species recorded in britain. We investigated this question for the first time in a coprophagous insect species. The white pine weevil pissodes strobi peck coleoptera. Biological control of alien, invasive pine trees pinus species in south africav. Extraction, thin layer chromatography, and gas chromatographymass spectrometry of young, mature, and senescent leaves of momordica cochinchinensis spreng revealed free fatty acids, representing a total of 82. Checklist of beetles of the british isles, 2012 edition. Curculionidae, attacks seed cones of most eurasian pine species, except these of swiss stone pine pinus cembra l. These markers will be useful to confirm the infraspecific phylogeographic patterns of this seedfeeding weevil, potential vector of the pitch canker disease of pine trees, thereby threatening their genetic resources. Overwintering adults of cone weevils feed on young branches.
Characterization of fifteen microsatellite loci in the cone and seedfeeding insect, pissodes validirostris, and. For further characters to separate these formerly confused species see viedma 1972, 1973 and roudier 1988 and for keys to the european species see endrodi 1963 and freude et al. The panel on plant health performed a pest categorisation of the non. Invasive species are one of the greatest challenges for most ecosystems in the world. The number of alleles per locus ranged from 2 to and observed heterozygosity from 0. In the related pissodes validirostris the majority of these scales are brown, smaller, elongate and more than 2 times longer than broad bevan, 1971. It was found spreading in the cape peninsula by 1772. Pdf fifteen microsatellite markers were developed for pissodes validirostris. Pdf pissodes irroratus reitter, 1899 coleoptera, curculionidae, molytinae is. Determining the suitability of a european cone weevil, pissodes validirostris, for biological control of invasive pines in south africa. Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content. This is a list of 140 species in the genus pissodes, conifer weevils pissodes species.
Biological control of alien, invasive pine trees pinus. Pdf characterization of fifteen microsatellite loci in. Files are available under licenses specified on their description page. Pdf pissodes irroratus reitter 1899, a species from east. Elytra are with large yellowish spot behind the middle on each side. Free photos animals photos crustaceans photos spotted cleaner shrimp periclimenes yucatanicus 1448 to view or save this photo in high resolution, just click the photo to see the full imagethe full image is much higher quality and not pixelated. Pissodes is a genus of weevils described by ernst friedrich germar in 1817. Abstract the pine cone weevil, pissodes validirostris gyll. Mediumsized, rather plain earthcreeper with long, strongly decurved bill. Behavioural responses of adult weevils to cone volatile emissions of swiss stone pine and to those of a common host, mountain pine pinus uncinata ram. Anthonomus pomorum or the apple blossom weevil is a univoltine herbivore of apple trees, malus domestica. Please try again and if the problem persists, please send us feedback.
Fifteen microsatellite markers were developed for pissodes validirostris. Curculionidae, attacks seed cones of most eurasian pine species. Existing knowledge of the biology and behaviour of p. An empirical ecologicaltype model for predicting stone.
Pinus pinaster is a popular topic in ecology because of its problematic growth and spread in south africa for the past 150 years after being imported into the region at the end of the 17th century 16851693. Pdf introduction and establishment of pissodes castaneus. Pdf pissodes irroratus reitter 1899, a species from east russia. Adults overwinter in leaf litter of forests or hedgerows. Zimmermann5 1departments of zoology and of botany, university of cape town, rondebosch, 7701, south africa 2department of zoology, university of cape town, rondebosch, 7701, south africa 3plant protection research institute, private. Checklist of beetles of the british isles 2nd edition edited by a. Pissodes irroratus reitter, 1899 coleoptera, curculionidae, molytinae is a species from east russia newly discovered in europe in various localities in the alps france, switzerland, and italy. Buffbreasted earthcreeper upucerthia validirostris. Read insects on lodgepole pine in sweden current knowledge and potential risks, forest ecology and management on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Cone weevil pissodes validirostris is the major cone pest of scotts pine pinus sylvestris var. They also consume biannual elongating cones when they are nutrient and water rich.
In spring, weevils immigrate into colonize apple trees. Larvae, mining down the axis of the tree, girdle the leader killing at least 2 and sometimes up to 4 years growth. From the late 1900s to the early 2000s a progressive loss of nut production was recorded in stone pine pinus pinea l. Biology and behaviour of the white pine weevil pissodes.
Bhl relies on donations to provide free pdf downloads and other services. The induction of adult host preferences has been studied in insects with diverse ecologies, including parasitoids, flowervisitors and phytophagous species. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. Can plantmicrobeinsect interactions enhance or inhibit. These aphids represent a major threat to the future viability of conifers as a forest resource in eastern and southern africa.
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