Semiochemicals from fungal associates of bark beetles may mediate host location behavior of parasitoids.
Identifieur interne : 000280 ( Main/Exploration ); précédent : 000279; suivant : 000281Semiochemicals from fungal associates of bark beetles may mediate host location behavior of parasitoids.
Auteurs : Brian T. Sullivan [États-Unis] ; C Wayne BerisfordSource :
- Journal of chemical ecology [ 0098-0331 ] ; 2004.
Descripteurs français
- KwdFr :
- Animaux (MeSH), Champignons (composition chimique), Champignons (physiologie), Coléoptères (microbiologie), Comportement sexuel chez les animaux (physiologie), Environnement (MeSH), Femelle (MeSH), Hymenoptera (physiologie), Larve (microbiologie), Mâle (MeSH), Odorisants (MeSH), Oviposition (physiologie), Phéromones (physiologie), Pinus taeda (microbiologie), Écorce (microbiologie).
- MESH :
- composition chimique : Champignons.
- microbiologie : Coléoptères, Larve, Pinus taeda, Écorce.
- physiologie : Champignons, Comportement sexuel chez les animaux, Hymenoptera, Oviposition, Phéromones.
- Animaux, Environnement, Femelle, Mâle, Odorisants.
English descriptors
- KwdEn :
- Animals (MeSH), Coleoptera (microbiology), Environment (MeSH), Female (MeSH), Fungi (chemistry), Fungi (physiology), Hymenoptera (physiology), Larva (microbiology), Male (MeSH), Odorants (MeSH), Oviposition (physiology), Pheromones (physiology), Pinus taeda (microbiology), Plant Bark (microbiology), Sexual Behavior, Animal (physiology).
- MESH :
- chemical , physiology : Pheromones.
- chemistry : Fungi.
- microbiology : Coleoptera, Larva, Pinus taeda, Plant Bark.
- physiology : Fungi, Hymenoptera, Oviposition, Sexual Behavior, Animal.
- Animals, Environment, Female, Male, Odorants.
Abstract
In laboratory olfactometer bioassays, females of two hymenopteran parasitoid species, Roptrocerus xylophagorum (Ratzeburg) (Hymenoptera: Pteromalidae) and Spathius pallidus (Ashmead) (Hymenoptera: Braconidae), were attracted to odors from bark or bolts of loblolly pine, Pinus taeda L., colonized by bluestain fungi (genus Ophiostoma) associated with the parasitoids' bark beetle hosts. Mock-inoculated bolts and bark were less attractive or unattractive in these bioassays. Bark infested with host larvae that lacked their fungal and other normal microbial associates was attractive to R. xylophagorum females, but was less so than bark infested with larvae possessing their normal complement of associated microbes. In contrast, in oviposition bioassays, R. xylophagorum females spent approximately equal time searching, made similar numbers of oviposition attempts, parasitized similar percentages of hosts, and laid similar numbers of eggs in bark fragments infested with either associate-free or associate-bearing host larvae. Furthermore, in field bioassays using bluestain-inoculated or mock-inoculated loblolly pine bolts as sources of attractants, the numbers of parasitoids attracted by the two treatments did not differ significantly and the two treatments were less attractive than bolts naturally infested with bark beetle larvae. Whereas our laboratory olfactometer data suggest that bark beetle fungal associates may enhance attraction of some parasitoids, our bioassays with associate-free hosts indicate that associate-produced are not required for short-range host location and parasitization. In addition, our field trials indicated that long-range attraction of parasitoids to the host-fungi-tree complex is not caused simply by an interaction between bluestain fungi and tree tissues.
DOI: 10.1023/b:joec.0000028426.37482.17
PubMed: 15260218
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Sullivan</name><affiliation wicri:level="1"><nlm:affiliation>USDA Forest Service, Southern Research Station, 2500 Shreveport Highway, Pineville, Louisiana 71360, USA. briansullivan@fs.fed.us</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>USDA Forest Service, Southern Research Station, 2500 Shreveport Highway, Pineville, Louisiana 71360</wicri:regionArea><wicri:noRegion>Louisiana 71360</wicri:noRegion></affiliation></author><author><name sortKey="Berisford, C Wayne" sort="Berisford, C Wayne" uniqKey="Berisford C" first="C Wayne" last="Berisford">C Wayne Berisford</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2004">2004</date><idno type="RBID">pubmed:15260218</idno><idno type="pmid">15260218</idno><idno type="doi">10.1023/b:joec.0000028426.37482.17</idno><idno type="wicri:Area/Main/Corpus">000280</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000280</idno><idno type="wicri:Area/Main/Curation">000280</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000280</idno><idno type="wicri:Area/Main/Exploration">000280</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Semiochemicals from fungal associates of bark beetles may mediate host location behavior of parasitoids.</title><author><name sortKey="Sullivan, Brian T" sort="Sullivan, Brian T" uniqKey="Sullivan B" first="Brian T" last="Sullivan">Brian T. Sullivan</name><affiliation wicri:level="1"><nlm:affiliation>USDA Forest Service, Southern Research Station, 2500 Shreveport Highway, Pineville, Louisiana 71360, USA. briansullivan@fs.fed.us</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>USDA Forest Service, Southern Research Station, 2500 Shreveport Highway, Pineville, Louisiana 71360</wicri:regionArea><wicri:noRegion>Louisiana 71360</wicri:noRegion></affiliation></author><author><name sortKey="Berisford, C Wayne" sort="Berisford, C Wayne" uniqKey="Berisford C" first="C Wayne" last="Berisford">C Wayne Berisford</name></author></analytic><series><title level="j">Journal of chemical ecology</title><idno type="ISSN">0098-0331</idno><imprint><date when="2004" type="published">2004</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Coleoptera (microbiology)</term><term>Environment (MeSH)</term><term>Female (MeSH)</term><term>Fungi (chemistry)</term><term>Fungi (physiology)</term><term>Hymenoptera (physiology)</term><term>Larva (microbiology)</term><term>Male (MeSH)</term><term>Odorants (MeSH)</term><term>Oviposition (physiology)</term><term>Pheromones (physiology)</term><term>Pinus taeda (microbiology)</term><term>Plant Bark (microbiology)</term><term>Sexual Behavior, Animal (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Champignons (composition chimique)</term><term>Champignons (physiologie)</term><term>Coléoptères (microbiologie)</term><term>Comportement sexuel chez les animaux (physiologie)</term><term>Environnement (MeSH)</term><term>Femelle (MeSH)</term><term>Hymenoptera (physiologie)</term><term>Larve (microbiologie)</term><term>Mâle (MeSH)</term><term>Odorisants (MeSH)</term><term>Oviposition (physiologie)</term><term>Phéromones (physiologie)</term><term>Pinus taeda (microbiologie)</term><term>Écorce (microbiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Pheromones</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Fungi</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Champignons</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Coléoptères</term><term>Larve</term><term>Pinus taeda</term><term>Écorce</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Coleoptera</term><term>Larva</term><term>Pinus taeda</term><term>Plant Bark</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Champignons</term><term>Comportement sexuel chez les animaux</term><term>Hymenoptera</term><term>Oviposition</term><term>Phéromones</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term><term>Hymenoptera</term><term>Oviposition</term><term>Sexual Behavior, Animal</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Environment</term><term>Female</term><term>Male</term><term>Odorants</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Environnement</term><term>Femelle</term><term>Mâle</term><term>Odorisants</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In laboratory olfactometer bioassays, females of two hymenopteran parasitoid species, Roptrocerus xylophagorum (Ratzeburg) (Hymenoptera: Pteromalidae) and Spathius pallidus (Ashmead) (Hymenoptera: Braconidae), were attracted to odors from bark or bolts of loblolly pine, Pinus taeda L., colonized by bluestain fungi (genus Ophiostoma) associated with the parasitoids' bark beetle hosts. Mock-inoculated bolts and bark were less attractive or unattractive in these bioassays. Bark infested with host larvae that lacked their fungal and other normal microbial associates was attractive to R. xylophagorum females, but was less so than bark infested with larvae possessing their normal complement of associated microbes. In contrast, in oviposition bioassays, R. xylophagorum females spent approximately equal time searching, made similar numbers of oviposition attempts, parasitized similar percentages of hosts, and laid similar numbers of eggs in bark fragments infested with either associate-free or associate-bearing host larvae. Furthermore, in field bioassays using bluestain-inoculated or mock-inoculated loblolly pine bolts as sources of attractants, the numbers of parasitoids attracted by the two treatments did not differ significantly and the two treatments were less attractive than bolts naturally infested with bark beetle larvae. Whereas our laboratory olfactometer data suggest that bark beetle fungal associates may enhance attraction of some parasitoids, our bioassays with associate-free hosts indicate that associate-produced are not required for short-range host location and parasitization. In addition, our field trials indicated that long-range attraction of parasitoids to the host-fungi-tree complex is not caused simply by an interaction between bluestain fungi and tree tissues.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15260218</PMID><DateCompleted><Year>2005</Year><Month>03</Month><Day>11</Day></DateCompleted><DateRevised><Year>2019</Year><Month>11</Month><Day>08</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0098-0331</ISSN><JournalIssue CitedMedium="Print"><Volume>30</Volume><Issue>4</Issue><PubDate><Year>2004</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Journal of chemical ecology</Title><ISOAbbreviation>J Chem Ecol</ISOAbbreviation></Journal><ArticleTitle>Semiochemicals from fungal associates of bark beetles may mediate host location behavior of parasitoids.</ArticleTitle><Pagination><MedlinePgn>703-17</MedlinePgn></Pagination><Abstract><AbstractText>In laboratory olfactometer bioassays, females of two hymenopteran parasitoid species, Roptrocerus xylophagorum (Ratzeburg) (Hymenoptera: Pteromalidae) and Spathius pallidus (Ashmead) (Hymenoptera: Braconidae), were attracted to odors from bark or bolts of loblolly pine, Pinus taeda L., colonized by bluestain fungi (genus Ophiostoma) associated with the parasitoids' bark beetle hosts. Mock-inoculated bolts and bark were less attractive or unattractive in these bioassays. Bark infested with host larvae that lacked their fungal and other normal microbial associates was attractive to R. xylophagorum females, but was less so than bark infested with larvae possessing their normal complement of associated microbes. In contrast, in oviposition bioassays, R. xylophagorum females spent approximately equal time searching, made similar numbers of oviposition attempts, parasitized similar percentages of hosts, and laid similar numbers of eggs in bark fragments infested with either associate-free or associate-bearing host larvae. Furthermore, in field bioassays using bluestain-inoculated or mock-inoculated loblolly pine bolts as sources of attractants, the numbers of parasitoids attracted by the two treatments did not differ significantly and the two treatments were less attractive than bolts naturally infested with bark beetle larvae. Whereas our laboratory olfactometer data suggest that bark beetle fungal associates may enhance attraction of some parasitoids, our bioassays with associate-free hosts indicate that associate-produced are not required for short-range host location and parasitization. In addition, our field trials indicated that long-range attraction of parasitoids to the host-fungi-tree complex is not caused simply by an interaction between bluestain fungi and tree tissues.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sullivan</LastName><ForeName>Brian T</ForeName><Initials>BT</Initials><AffiliationInfo><Affiliation>USDA Forest Service, Southern Research Station, 2500 Shreveport Highway, Pineville, Louisiana 71360, USA. briansullivan@fs.fed.us</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Berisford</LastName><ForeName>C Wayne</ForeName><Initials>CW</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Chem 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last="Sullivan">Brian T. 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