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Abundance of parasitoids of Archips argyrospila (Lepidoptera: Tortricidae) in Louisiana
The fruittree leafroller, Archips argyrospila (Walker), was first observed feeding on baldcypress, Taxodium distichum (L.) Richard, in 1983 in southern Louisiana. Since then, a prolonged epidemic has persisted in semi- and permanently flooded forested wetlands encompassing 100,000 ha. Species and ab...
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| Published in: | Environmental entomology 1998-06, Vol.27 (3), p.726-730 |
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| Language: | English |
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| container_title | Environmental entomology |
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| creator | Wei, H.X. (Louisiana State University, Baton Rouge, LA.) Goyer, R.A Lenhard, G |
| description | The fruittree leafroller, Archips argyrospila (Walker), was first observed feeding on baldcypress, Taxodium distichum (L.) Richard, in 1983 in southern Louisiana. Since then, a prolonged epidemic has persisted in semi- and permanently flooded forested wetlands encompassing 100,000 ha. Species and abundance of parasitoids associated with fruittree leafroller on baldcypress were determined at 2 sites in Louisiana during 1994 and 1995. Six species of primary parasitoids were reared from the larvae and pupae of fruittree leafroller. Mortality by all parasitoid species for the combined larval and pupal stages in the 2 seasons was 22.8 and 13.6% at Bayou Pigeon and Norco, respectively. Itoplectis conquisitor (Say) (Hymenoptera: Ichneumonidae) was the most abundant parasitoid and Brachymeria ovata (Say) (Hymenoptera: Chalcidae) ranked second. The rate of parasitism by I. conquisitor for both years averaged 13.8% at Bayou Pigeon and 8.4% at Norco. The eulophid Dimmockia incongrua (Ashmead) (Hymenoptera: Eulophidae) a hyperparasitoid of I. conquisitor. No parasitoids were reared from or found in dissections of egg masses collected in the 2-yr study. Thus, it appears that the absence of egg parasitism and the low levels of larval parasites are responsible in part for allowing populations of the fruittree leafroller to continue at epidemic levels in wetlands in Louisiana |
| doi_str_mv | 10.1093/ee/27.3.726 |
| format | article |
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(Louisiana State University, Baton Rouge, LA.) ; Goyer, R.A ; Lenhard, G</creator><creatorcontrib>Wei, H.X. (Louisiana State University, Baton Rouge, LA.) ; Goyer, R.A ; Lenhard, G</creatorcontrib><description>The fruittree leafroller, Archips argyrospila (Walker), was first observed feeding on baldcypress, Taxodium distichum (L.) Richard, in 1983 in southern Louisiana. Since then, a prolonged epidemic has persisted in semi- and permanently flooded forested wetlands encompassing 100,000 ha. Species and abundance of parasitoids associated with fruittree leafroller on baldcypress were determined at 2 sites in Louisiana during 1994 and 1995. Six species of primary parasitoids were reared from the larvae and pupae of fruittree leafroller. Mortality by all parasitoid species for the combined larval and pupal stages in the 2 seasons was 22.8 and 13.6% at Bayou Pigeon and Norco, respectively. Itoplectis conquisitor (Say) (Hymenoptera: Ichneumonidae) was the most abundant parasitoid and Brachymeria ovata (Say) (Hymenoptera: Chalcidae) ranked second. The rate of parasitism by I. conquisitor for both years averaged 13.8% at Bayou Pigeon and 8.4% at Norco. The eulophid Dimmockia incongrua (Ashmead) (Hymenoptera: Eulophidae) a hyperparasitoid of I. conquisitor. No parasitoids were reared from or found in dissections of egg masses collected in the 2-yr study. Thus, it appears that the absence of egg parasitism and the low levels of larval parasites are responsible in part for allowing populations of the fruittree leafroller to continue at epidemic levels in wetlands in Louisiana</description><identifier>ISSN: 0046-225X</identifier><identifier>EISSN: 1938-2936</identifier><identifier>DOI: 10.1093/ee/27.3.726</identifier><identifier>CODEN: EVETBX</identifier><language>eng</language><publisher>Lanham, MD: Entomological Society of America</publisher><subject>ARCHIPS ; ARCHIPS ARGYROSPILUS ; Biological and medical sciences ; BIOLOGICAL CONTROL ; Control ; CONTROL BIOLOGICO ; DENSIDAD DE LA POBLACION ; DENSITE DE POPULATION ; Fundamental and applied biological sciences. Psychology ; INSECTE NUISIBLE ; INSECTOS DANINOS ; LOUISIANA ; LOUISIANE ; LUISIANA ; LUTTE BIOLOGIQUE ; MORTALIDAD ; MORTALITE ; MORTALITY ; PARASITE ; PARASITES ; PARASITISM ; PARASITISME ; PARASITISMO ; PARASITOIDE ; PARASITOIDES ; PARASITOIDS ; PARASITOS ; PEST INSECTS ; Phytopathology. Animal pests. Plant and forest protection ; POPULATION DENSITY ; Protozoa. Invertebrates ; TAXODIUM ; TAXODIUM DISTICHUM</subject><ispartof>Environmental entomology, 1998-06, Vol.27 (3), p.726-730</ispartof><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2372949$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wei, H.X. (Louisiana State University, Baton Rouge, LA.)</creatorcontrib><creatorcontrib>Goyer, R.A</creatorcontrib><creatorcontrib>Lenhard, G</creatorcontrib><title>Abundance of parasitoids of Archips argyrospila (Lepidoptera: Tortricidae) in Louisiana</title><title>Environmental entomology</title><description>The fruittree leafroller, Archips argyrospila (Walker), was first observed feeding on baldcypress, Taxodium distichum (L.) Richard, in 1983 in southern Louisiana. Since then, a prolonged epidemic has persisted in semi- and permanently flooded forested wetlands encompassing 100,000 ha. Species and abundance of parasitoids associated with fruittree leafroller on baldcypress were determined at 2 sites in Louisiana during 1994 and 1995. Six species of primary parasitoids were reared from the larvae and pupae of fruittree leafroller. Mortality by all parasitoid species for the combined larval and pupal stages in the 2 seasons was 22.8 and 13.6% at Bayou Pigeon and Norco, respectively. Itoplectis conquisitor (Say) (Hymenoptera: Ichneumonidae) was the most abundant parasitoid and Brachymeria ovata (Say) (Hymenoptera: Chalcidae) ranked second. The rate of parasitism by I. conquisitor for both years averaged 13.8% at Bayou Pigeon and 8.4% at Norco. The eulophid Dimmockia incongrua (Ashmead) (Hymenoptera: Eulophidae) a hyperparasitoid of I. conquisitor. No parasitoids were reared from or found in dissections of egg masses collected in the 2-yr study. Thus, it appears that the absence of egg parasitism and the low levels of larval parasites are responsible in part for allowing populations of the fruittree leafroller to continue at epidemic levels in wetlands in Louisiana</description><subject>ARCHIPS</subject><subject>ARCHIPS ARGYROSPILUS</subject><subject>Biological and medical sciences</subject><subject>BIOLOGICAL CONTROL</subject><subject>Control</subject><subject>CONTROL BIOLOGICO</subject><subject>DENSIDAD DE LA POBLACION</subject><subject>DENSITE DE POPULATION</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>INSECTE NUISIBLE</subject><subject>INSECTOS DANINOS</subject><subject>LOUISIANA</subject><subject>LOUISIANE</subject><subject>LUISIANA</subject><subject>LUTTE BIOLOGIQUE</subject><subject>MORTALIDAD</subject><subject>MORTALITE</subject><subject>MORTALITY</subject><subject>PARASITE</subject><subject>PARASITES</subject><subject>PARASITISM</subject><subject>PARASITISME</subject><subject>PARASITISMO</subject><subject>PARASITOIDE</subject><subject>PARASITOIDES</subject><subject>PARASITOIDS</subject><subject>PARASITOS</subject><subject>PEST INSECTS</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>POPULATION DENSITY</subject><subject>Protozoa. 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(Louisiana State University, Baton Rouge, LA.)</creator><creator>Goyer, R.A</creator><creator>Lenhard, G</creator><general>Entomological Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>19980601</creationdate><title>Abundance of parasitoids of Archips argyrospila (Lepidoptera: Tortricidae) in Louisiana</title><author>Wei, H.X. (Louisiana State University, Baton Rouge, LA.) ; Goyer, R.A ; Lenhard, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c271t-a39207680e78dc62ece1397ca7b6e97ab4199cd94096178d9c67c11ade0cb2c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>ARCHIPS</topic><topic>ARCHIPS ARGYROSPILUS</topic><topic>Biological and medical sciences</topic><topic>BIOLOGICAL CONTROL</topic><topic>Control</topic><topic>CONTROL BIOLOGICO</topic><topic>DENSIDAD DE LA POBLACION</topic><topic>DENSITE DE POPULATION</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>INSECTE NUISIBLE</topic><topic>INSECTOS DANINOS</topic><topic>LOUISIANA</topic><topic>LOUISIANE</topic><topic>LUISIANA</topic><topic>LUTTE BIOLOGIQUE</topic><topic>MORTALIDAD</topic><topic>MORTALITE</topic><topic>MORTALITY</topic><topic>PARASITE</topic><topic>PARASITES</topic><topic>PARASITISM</topic><topic>PARASITISME</topic><topic>PARASITISMO</topic><topic>PARASITOIDE</topic><topic>PARASITOIDES</topic><topic>PARASITOIDS</topic><topic>PARASITOS</topic><topic>PEST INSECTS</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>POPULATION DENSITY</topic><topic>Protozoa. Invertebrates</topic><topic>TAXODIUM</topic><topic>TAXODIUM DISTICHUM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wei, H.X. (Louisiana State University, Baton Rouge, LA.)</creatorcontrib><creatorcontrib>Goyer, R.A</creatorcontrib><creatorcontrib>Lenhard, G</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Environmental entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wei, H.X. (Louisiana State University, Baton Rouge, LA.)</au><au>Goyer, R.A</au><au>Lenhard, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Abundance of parasitoids of Archips argyrospila (Lepidoptera: Tortricidae) in Louisiana</atitle><jtitle>Environmental entomology</jtitle><date>1998-06-01</date><risdate>1998</risdate><volume>27</volume><issue>3</issue><spage>726</spage><epage>730</epage><pages>726-730</pages><issn>0046-225X</issn><eissn>1938-2936</eissn><coden>EVETBX</coden><abstract>The fruittree leafroller, Archips argyrospila (Walker), was first observed feeding on baldcypress, Taxodium distichum (L.) Richard, in 1983 in southern Louisiana. Since then, a prolonged epidemic has persisted in semi- and permanently flooded forested wetlands encompassing 100,000 ha. Species and abundance of parasitoids associated with fruittree leafroller on baldcypress were determined at 2 sites in Louisiana during 1994 and 1995. Six species of primary parasitoids were reared from the larvae and pupae of fruittree leafroller. Mortality by all parasitoid species for the combined larval and pupal stages in the 2 seasons was 22.8 and 13.6% at Bayou Pigeon and Norco, respectively. Itoplectis conquisitor (Say) (Hymenoptera: Ichneumonidae) was the most abundant parasitoid and Brachymeria ovata (Say) (Hymenoptera: Chalcidae) ranked second. The rate of parasitism by I. conquisitor for both years averaged 13.8% at Bayou Pigeon and 8.4% at Norco. The eulophid Dimmockia incongrua (Ashmead) (Hymenoptera: Eulophidae) a hyperparasitoid of I. conquisitor. No parasitoids were reared from or found in dissections of egg masses collected in the 2-yr study. Thus, it appears that the absence of egg parasitism and the low levels of larval parasites are responsible in part for allowing populations of the fruittree leafroller to continue at epidemic levels in wetlands in Louisiana</abstract><cop>Lanham, MD</cop><pub>Entomological Society of America</pub><doi>10.1093/ee/27.3.726</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0046-225X |
| ispartof | Environmental entomology, 1998-06, Vol.27 (3), p.726-730 |
| issn | 0046-225X 1938-2936 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16526598 |
| source | Oxford Journals Online |
| subjects | ARCHIPS ARCHIPS ARGYROSPILUS Biological and medical sciences BIOLOGICAL CONTROL Control CONTROL BIOLOGICO DENSIDAD DE LA POBLACION DENSITE DE POPULATION Fundamental and applied biological sciences. Psychology INSECTE NUISIBLE INSECTOS DANINOS LOUISIANA LOUISIANE LUISIANA LUTTE BIOLOGIQUE MORTALIDAD MORTALITE MORTALITY PARASITE PARASITES PARASITISM PARASITISME PARASITISMO PARASITOIDE PARASITOIDES PARASITOIDS PARASITOS PEST INSECTS Phytopathology. Animal pests. Plant and forest protection POPULATION DENSITY Protozoa. Invertebrates TAXODIUM TAXODIUM DISTICHUM |
| title | Abundance of parasitoids of Archips argyrospila (Lepidoptera: Tortricidae) in Louisiana |
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