THE DIFFICULTY OF REDUCING INTRODUCED WASP (VESPULA VULGARIS) POPULATIONS FOR CONSERVATION GAINS
Introduced common wasps (Vespula vulgaris) are widespread, abundant pests in New Zealand. They compete for food with native birds and feed on native invertebrates. We poisoned wasps annually over 4 years to see if it was possible to reduce their abundance in two 30-ha beech forest sites. Two differe...
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| Veröffentlicht in: | New Zealand journal of ecology 1998-01, Vol.22 (1), p.55-63 |
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| container_title | New Zealand journal of ecology |
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| creator | BEGGS, J.R. TOFT, R.J. MALHAM, J.P. REES, J.S. TILLEY, J.A.V. MOLLER, H. ALSPACH, P. |
| description | Introduced common wasps (Vespula vulgaris) are widespread, abundant pests in New Zealand. They compete for food with native birds and feed on native invertebrates. We poisoned wasps annually over 4 years to see if it was possible to reduce their abundance in two 30-ha beech forest sites. Two different poisons (sodium monofluoroacetate and sulfluramid) were used, mixed with sardine catfood. There was no evidence that one poison was more effective than the other. Between 82 and 100% of the colonies were killed in the poisoned sites, but reinvasion by foraging workers meant that cumulative wasp biomass (measured using Malaise traps) was reduced by only 55 - 70%. Individual wasps were about 16% heavier in the poisoned sites at the peak of the wasp season (March) than in the non-poisoned sites, although this had a minimal effect on cumulative biomass over the entire season. Conservation gains need to be quantified in order to assess whether the expense of such poisoning operations is warranted. |
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They compete for food with native birds and feed on native invertebrates. We poisoned wasps annually over 4 years to see if it was possible to reduce their abundance in two 30-ha beech forest sites. Two different poisons (sodium monofluoroacetate and sulfluramid) were used, mixed with sardine catfood. There was no evidence that one poison was more effective than the other. Between 82 and 100% of the colonies were killed in the poisoned sites, but reinvasion by foraging workers meant that cumulative wasp biomass (measured using Malaise traps) was reduced by only 55 - 70%. Individual wasps were about 16% heavier in the poisoned sites at the peak of the wasp season (March) than in the non-poisoned sites, although this had a minimal effect on cumulative biomass over the entire season. Conservation gains need to be quantified in order to assess whether the expense of such poisoning operations is warranted.</description><identifier>ISSN: 0110-6465</identifier><identifier>ISSN: 1177-7788</identifier><identifier>EISSN: 1177-7788</identifier><language>eng</language><publisher>New Zealand Ecological Society</publisher><subject>Biological invasions ; Biomass ; Control ; Density ; Forest conservation ; Forest ecology ; Honeydew ; Insect colonies ; Insect ecology ; Insect nests ; Insect pests ; Ngaro ; Poisoning ; Poisons ; Prevention ; Sodium fluoroacetate ; Vespidae ; Vespula vulgaris ; Wasps</subject><ispartof>New Zealand journal of ecology, 1998-01, Vol.22 (1), p.55-63</ispartof><rights>Copyright © New Zealand Ecological Society (Inc.)</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/24054548$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/24054548$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>315,781,785,804,4025,25953,58022,58255</link.rule.ids><backlink>$$Uhttps://natlib-primo.hosted.exlibrisgroup.com/primo-explore/search?query=any,contains,996573243602837&tab=innz&search_scope=INNZ&vid=NLNZ&offset=0$$DView this record in NLNZ$$Hfree_for_read</backlink></links><search><creatorcontrib>BEGGS, J.R.</creatorcontrib><creatorcontrib>TOFT, R.J.</creatorcontrib><creatorcontrib>MALHAM, J.P.</creatorcontrib><creatorcontrib>REES, J.S.</creatorcontrib><creatorcontrib>TILLEY, J.A.V.</creatorcontrib><creatorcontrib>MOLLER, H.</creatorcontrib><creatorcontrib>ALSPACH, P.</creatorcontrib><title>THE DIFFICULTY OF REDUCING INTRODUCED WASP (VESPULA VULGARIS) POPULATIONS FOR CONSERVATION GAINS</title><title>New Zealand journal of ecology</title><description>Introduced common wasps (Vespula vulgaris) are widespread, abundant pests in New Zealand. 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Conservation gains need to be quantified in order to assess whether the expense of such poisoning operations is warranted.</description><subject>Biological invasions</subject><subject>Biomass</subject><subject>Control</subject><subject>Density</subject><subject>Forest conservation</subject><subject>Forest ecology</subject><subject>Honeydew</subject><subject>Insect colonies</subject><subject>Insect ecology</subject><subject>Insect nests</subject><subject>Insect pests</subject><subject>Ngaro</subject><subject>Poisoning</subject><subject>Poisons</subject><subject>Prevention</subject><subject>Sodium fluoroacetate</subject><subject>Vespidae</subject><subject>Vespula vulgaris</subject><subject>Wasps</subject><issn>0110-6465</issn><issn>1177-7788</issn><issn>1177-7788</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>LETOP</sourceid><recordid>eNotjl1LwzAYhYMoOKc_QQgIoheFpG-aj8vStV2gtKMfE69qXTPY6LrZbKD-eqvz6hweHg7nAk0oFcIRQspLNCGUEocz7l2jG2u3hICkABP0Vs5DPNNRpIMqKV9xFuE8nFWBTmOs0zLPxh7O8ItfLPDTMiwWVeLjZZXEfq6LZ7zIfkGps7TAUZbjYCxhvvwjOPZ1Wtyiq3XTWXP3n1NURWEZzJ0ki3XgJ87WBXZ0lHRhJblcSyoNECpbDqpdAXEZAU49YhQzRhiv4bJ5F1S6jWpBUMpbwYUCmKLH8-5h2H-cjD3Wu41dma5rerM_2ZoKSoQEMooPZ7Hv-u9607fmc0yluCfAZcCJK0GM1v3Z2trjfqgPw2bXDF_1-MZjHpPwA11SXQ4</recordid><startdate>19980101</startdate><enddate>19980101</enddate><creator>BEGGS, J.R.</creator><creator>TOFT, R.J.</creator><creator>MALHAM, J.P.</creator><creator>REES, J.S.</creator><creator>TILLEY, J.A.V.</creator><creator>MOLLER, H.</creator><creator>ALSPACH, P.</creator><general>New Zealand Ecological Society</general><scope>GOM</scope><scope>LETOP</scope><scope>7SN</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>19980101</creationdate><title>THE DIFFICULTY OF REDUCING INTRODUCED WASP (VESPULA VULGARIS) POPULATIONS FOR CONSERVATION GAINS</title><author>BEGGS, J.R. ; TOFT, R.J. ; MALHAM, J.P. ; REES, J.S. ; TILLEY, J.A.V. ; MOLLER, H. ; ALSPACH, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j234t-9823c868f818e3018d639dc3024036150e94ee7e5a68ab7182a9d37116d767933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Biological invasions</topic><topic>Biomass</topic><topic>Control</topic><topic>Density</topic><topic>Forest conservation</topic><topic>Forest ecology</topic><topic>Honeydew</topic><topic>Insect colonies</topic><topic>Insect ecology</topic><topic>Insect nests</topic><topic>Insect pests</topic><topic>Ngaro</topic><topic>Poisoning</topic><topic>Poisons</topic><topic>Prevention</topic><topic>Sodium fluoroacetate</topic><topic>Vespidae</topic><topic>Vespula vulgaris</topic><topic>Wasps</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BEGGS, J.R.</creatorcontrib><creatorcontrib>TOFT, R.J.</creatorcontrib><creatorcontrib>MALHAM, J.P.</creatorcontrib><creatorcontrib>REES, J.S.</creatorcontrib><creatorcontrib>TILLEY, J.A.V.</creatorcontrib><creatorcontrib>MOLLER, H.</creatorcontrib><creatorcontrib>ALSPACH, P.</creatorcontrib><collection>Index New Zealand</collection><collection>Index New Zealand (Open Access)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>New Zealand journal of ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BEGGS, J.R.</au><au>TOFT, R.J.</au><au>MALHAM, J.P.</au><au>REES, J.S.</au><au>TILLEY, J.A.V.</au><au>MOLLER, H.</au><au>ALSPACH, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>THE DIFFICULTY OF REDUCING INTRODUCED WASP (VESPULA VULGARIS) POPULATIONS FOR CONSERVATION GAINS</atitle><jtitle>New Zealand journal of ecology</jtitle><date>1998-01-01</date><risdate>1998</risdate><volume>22</volume><issue>1</issue><spage>55</spage><epage>63</epage><pages>55-63</pages><issn>0110-6465</issn><issn>1177-7788</issn><eissn>1177-7788</eissn><abstract>Introduced common wasps (Vespula vulgaris) are widespread, abundant pests in New Zealand. They compete for food with native birds and feed on native invertebrates. We poisoned wasps annually over 4 years to see if it was possible to reduce their abundance in two 30-ha beech forest sites. Two different poisons (sodium monofluoroacetate and sulfluramid) were used, mixed with sardine catfood. There was no evidence that one poison was more effective than the other. Between 82 and 100% of the colonies were killed in the poisoned sites, but reinvasion by foraging workers meant that cumulative wasp biomass (measured using Malaise traps) was reduced by only 55 - 70%. Individual wasps were about 16% heavier in the poisoned sites at the peak of the wasp season (March) than in the non-poisoned sites, although this had a minimal effect on cumulative biomass over the entire season. Conservation gains need to be quantified in order to assess whether the expense of such poisoning operations is warranted.</abstract><pub>New Zealand Ecological Society</pub><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0110-6465 |
| ispartof | New Zealand journal of ecology, 1998-01, Vol.22 (1), p.55-63 |
| issn | 0110-6465 1177-7788 1177-7788 |
| language | eng |
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| source | Index New Zealand (Open Access); JSTOR Archive Collection A-Z Listing; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Biological invasions Biomass Control Density Forest conservation Forest ecology Honeydew Insect colonies Insect ecology Insect nests Insect pests Ngaro Poisoning Poisons Prevention Sodium fluoroacetate Vespidae Vespula vulgaris Wasps |
| title | THE DIFFICULTY OF REDUCING INTRODUCED WASP (VESPULA VULGARIS) POPULATIONS FOR CONSERVATION GAINS |
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