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Oviposition choices of Epirrita autumnata (Lepidoptera: Geometridae) in relation to its eruptive population dynamics

We found that oviposition behaviour is indiscriminative in Epirrita autumnata (Lepidoptera, Geometridae), a species known as a periodical pest of birch forests in northernmost Europe. Oviposition in E. autumnata was not suppressed by low host quality, injured host leaves, or the presence of conspeci...

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Published in:	Oikos 1995-11, Vol.74 (2), p.296-304
Main Authors:	Tammaru, T, Kaitaniemi, P, Ruohomaeki, K
Format:	Article
Language:	English
Subjects:	betula bosques Branches dinamica de la poblacion dynamique des populations Eggs Epirrita autumnata Female animals finland finlande finlandia forests foret Geometridae Hardwood trees Insect larvae Larvae Leaves Lepidoptera Moths oviposicion Oviposition ponte Population dynamics
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creator	Tammaru, T Kaitaniemi, P Ruohomaeki, K
description	We found that oviposition behaviour is indiscriminative in Epirrita autumnata (Lepidoptera, Geometridae), a species known as a periodical pest of birch forests in northernmost Europe. Oviposition in E. autumnata was not suppressed by low host quality, injured host leaves, or the presence of conspecific eggs or sex pheromone. Oviposition was not limited to host plants, whereas physical characteristics of the substrate were decisive in oviposition site selection. Therefore, the oviposition behaviour of E. autumnata is typical for an outbreak species and certainly contributes to the eruptive population dynamics of the species. Young larvae are responsible for finding a host plant but their capacity for host selection is rather restricted; larval dispersal cannot compensate for indiscriminative oviposition. Indiscriminative oviposition should not be seen as a phylogenetic constraint in E. autumnata; more probably, it results from selection in favour of large body size in females which reduces their flying ability.
doi_str_mv	10.2307/3545659
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(Finland). Lab. of Ecological Zoology</creatorcontrib><title>Oviposition choices of Epirrita autumnata (Lepidoptera: Geometridae) in relation to its eruptive population dynamics</title><title>Oikos</title><description>We found that oviposition behaviour is indiscriminative in Epirrita autumnata (Lepidoptera, Geometridae), a species known as a periodical pest of birch forests in northernmost Europe. Oviposition in E. autumnata was not suppressed by low host quality, injured host leaves, or the presence of conspecific eggs or sex pheromone. Oviposition was not limited to host plants, whereas physical characteristics of the substrate were decisive in oviposition site selection. Therefore, the oviposition behaviour of E. autumnata is typical for an outbreak species and certainly contributes to the eruptive population dynamics of the species. Young larvae are responsible for finding a host plant but their capacity for host selection is rather restricted; larval dispersal cannot compensate for indiscriminative oviposition. Indiscriminative oviposition should not be seen as a phylogenetic constraint in E. autumnata; more probably, it results from selection in favour of large body size in females which reduces their flying ability.</description><subject>betula</subject><subject>bosques</subject><subject>Branches</subject><subject>dinamica de la poblacion</subject><subject>dynamique des populations</subject><subject>Eggs</subject><subject>Epirrita autumnata</subject><subject>Female animals</subject><subject>finland</subject><subject>finlande</subject><subject>finlandia</subject><subject>forests</subject><subject>foret</subject><subject>Geometridae</subject><subject>Hardwood trees</subject><subject>Insect larvae</subject><subject>Larvae</subject><subject>Leaves</subject><subject>Lepidoptera</subject><subject>Moths</subject><subject>oviposicion</subject><subject>Oviposition</subject><subject>ponte</subject><subject>Population dynamics</subject><issn>0030-1299</issn><issn>1600-0706</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNp90T1PwzAQBmALgUQpiH-APCA-hsC5TuyGDZVSEJW6wBw5yRlcJbGxnUr99wTamelOukfv8B4h5wzuJhzkPc_STGT5ARkxAZCABHFIRgAcEjbJ82NyEsIaAKSU6YjE1cY4G0w0tqPVlzUVBmo1nTvjvYmKqj72baeG7WaJztTWRfTqgS7Qthi9qRXeUtNRj436C4mWmhgo-t5Fs0HqrOv3p3rbqdZU4ZQcadUEPNvPMfl4nr_PXpLlavE6e1wmFQcRkxKY0lVa8kmusyybKgTBIROoQQkFvNQAKLROoZS11LUAhiKdMqFllWKZ8TG52uU6b797DLFoTaiwaVSHtg8Fk8BYnqYDvN7BytsQPOrCedMqvy0YFL-tFvtWB3m5k-sQrf-HXeyYVrZQn96E4umN5fnwEclA5vwHON9_yg</recordid><startdate>19951101</startdate><enddate>19951101</enddate><creator>Tammaru, T</creator><creator>Kaitaniemi, P</creator><creator>Ruohomaeki, K</creator><general>Munksgaard International Publishers, Ltd</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>19951101</creationdate><title>Oviposition choices of Epirrita autumnata (Lepidoptera: Geometridae) in relation to its eruptive population dynamics</title><author>Tammaru, T ; Kaitaniemi, P ; Ruohomaeki, K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c306t-b01afc4b329f5558ae063056ef0a6a03bf00e6ff40b7d7fd601e64816f7c4eb53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>betula</topic><topic>bosques</topic><topic>Branches</topic><topic>dinamica de la poblacion</topic><topic>dynamique des populations</topic><topic>Eggs</topic><topic>Epirrita autumnata</topic><topic>Female animals</topic><topic>finland</topic><topic>finlande</topic><topic>finlandia</topic><topic>forests</topic><topic>foret</topic><topic>Geometridae</topic><topic>Hardwood trees</topic><topic>Insect larvae</topic><topic>Larvae</topic><topic>Leaves</topic><topic>Lepidoptera</topic><topic>Moths</topic><topic>oviposicion</topic><topic>Oviposition</topic><topic>ponte</topic><topic>Population dynamics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tammaru, T</creatorcontrib><creatorcontrib>Kaitaniemi, P</creatorcontrib><creatorcontrib>Ruohomaeki, K</creatorcontrib><creatorcontrib>Arab Organization for Agricultural Development (AOAD), Khartoum (Sudan)</creatorcontrib><creatorcontrib>Turku Univ. (Finland). Lab. of Ecological Zoology</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Oikos</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tammaru, T</au><au>Kaitaniemi, P</au><au>Ruohomaeki, K</au><aucorp>Arab Organization for Agricultural Development (AOAD), Khartoum (Sudan)</aucorp><aucorp>Turku Univ. (Finland). Lab. of Ecological Zoology</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oviposition choices of Epirrita autumnata (Lepidoptera: Geometridae) in relation to its eruptive population dynamics</atitle><jtitle>Oikos</jtitle><date>1995-11-01</date><risdate>1995</risdate><volume>74</volume><issue>2</issue><spage>296</spage><epage>304</epage><pages>296-304</pages><issn>0030-1299</issn><eissn>1600-0706</eissn><abstract>We found that oviposition behaviour is indiscriminative in Epirrita autumnata (Lepidoptera, Geometridae), a species known as a periodical pest of birch forests in northernmost Europe. Oviposition in E. autumnata was not suppressed by low host quality, injured host leaves, or the presence of conspecific eggs or sex pheromone. Oviposition was not limited to host plants, whereas physical characteristics of the substrate were decisive in oviposition site selection. Therefore, the oviposition behaviour of E. autumnata is typical for an outbreak species and certainly contributes to the eruptive population dynamics of the species. Young larvae are responsible for finding a host plant but their capacity for host selection is rather restricted; larval dispersal cannot compensate for indiscriminative oviposition. Indiscriminative oviposition should not be seen as a phylogenetic constraint in E. autumnata; more probably, it results from selection in favour of large body size in females which reduces their flying ability.</abstract><pub>Munksgaard International Publishers, Ltd</pub><doi>10.2307/3545659</doi><tpages>9</tpages></addata></record>
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source	JSTOR Archival Journals and Primary Sources Collection
subjects	betula bosques Branches dinamica de la poblacion dynamique des populations Eggs Epirrita autumnata Female animals finland finlande finlandia forests foret Geometridae Hardwood trees Insect larvae Larvae Leaves Lepidoptera Moths oviposicion Oviposition ponte Population dynamics
title	Oviposition choices of Epirrita autumnata (Lepidoptera: Geometridae) in relation to its eruptive population dynamics
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