Bronze beetle control in Auckland apple orchards

Clearwater, J.R.; Richards, Mark

doi:10.30843/nzpp.1984.37.9570

Cited by 3 publications

(4 citation statements)

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“…The main bronze beetle emergence from November to December (Fig. 1) was consistent with the reported period of adult activity (Lysaght 1930;Miller 1971;Clearwater & Richards 1984). Within the orchards sampled, bronze beetle emergence probably started earlier in October because beetles were caught during the first week of trapping.…”

Section: Emergencesupporting

confidence: 84%

“…The difficulty of controlling adult bronze beetle is that, because of the long period of emergence, multiple applications of a persistent product are required. Therefore historically insecticides such as DDT and chlorpyrifos were very effective (Clearwater & Richards 1984). Currently IFP growers have several options for bronze beetle control including thiacloprid which is active against beetles.…”

Section: Results and Discussion Insecticide Bioassaysmentioning

confidence: 99%

“…Historically bronze beetle was a major apple pest during the 1920s and 1930s, although as early as 1862 it had reached plague proportions, had defoliated various trees and "sounded like rain" as the beetles dropped on leaves (Lysaght 1930;Miller 1971). The use of organochlorine insecticides resulted in bronze beetle becoming rare in apple orchards (Clearwater & Richards 1984). Since the widespread introduction of integrated fruit production (IFP) management systems for apples, bronze beetle has remained a minor pest causing no economic damage in conventional production.…”

Section: Introductionmentioning

confidence: 99%

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Managing bronze beetle Eucolaspis brunnea in organic apple orchards

Rogers¹,

Cole²,

Delate³

et al. 2006

NZPP

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Bronze beetle (Eucolaspsis brunnea) is threatening the viability of New Zealands organic apple industry This study investigated the efficacy of organic insecticides against bronze beetle trialled adult emergence traps measured fruit damage caused by adult feeding and sampled larvae in the soil Laboratory bioassays of ten organically acceptable insecticides failed to identify an effective product to control adult bronze beetle Emergence trapping on two orchards showed that bronze beetle emergence peaked during November Bronze beetle damage on cv Royal Gala apples was highly variable among the 12 orchards surveyed and ranged from 2 to 43 immediately before harvest Royal Gala apples had much more damage when inspected in field bins than cv Braeburn apples Soil sampling suggested that most bronze beetle larvae are found 51150 mm below the soil surface during autumn

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Section: Emergencesupporting

confidence: 84%

Section: Results and Discussion Insecticide Bioassaysmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Managing bronze beetle Eucolaspis brunnea in organic apple orchards

Rogers¹,

Cole²,

Delate³

et al. 2006

NZPP

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“…The adults emerge during spring and live for up to a month, feeding on a wide range of host plant leaves and fruits, including those of apple trees (Lysaght 1930;Miller 1971;Rogers et al 2006). Bronze beetle was a major orchard pest during the early 20 th century (Miller 1926), but became rare after the introduction of organo-chlorine and other broad spectrum insecticides in fruit production (Clearwater & Richards 1984).…”

Section: Introductionmentioning

confidence: 99%

Population dynamics of bronze beetle Eucolaspis spp (Coleoptera Chrysomelidae) in relation to other soil macroinvertebrates in organic apple orchards in Hawkes Bay

Doddala¹,

Minor²,

Rogers³

2010

NZPP

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The population structure and dynamics of bronze beetle Eucolaspis spp and other soil macroinvertebrates were studied in eight organic apple orchards in Hawkes Bay during spring/summer 200708 Orchards with high bronze beetle population densities also had higher abundance of all types of soil macroinvertebrates than orchards with low bronze beetle populations Surfacedwelling generalist predators were more numerous (on average 536 versus 405 predators per trap) in orchards with low bronze beetle density than in orchards with high beetle density This result was mainly due to spider numbers in pitfall traps which were highest during January It may be that within orchards where surface dwelling spiders are most abundant these spiders may be predating upon newly emergent adult bronze beetles as they move from the soil to the apple foliage

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Potential strategies to manage bronze beetle (Eucolaspsis sp) in organic apple orchards

Rogers¹,

Cole²,

Fraser³

et al. 2007

NZPP

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Bronze beetle (Eucolaspsis sp Coleoptera Chrysomelidae) threatens the viability of New Zealands organic pipfruit industry Small plot cultivation trials were conducted during spring to target immature beetles in the soil in a 25 m strip under apple trees A single cultivation treatment in October prevented 56 to 81 of the beetle population from emerging When plots were tilled every second week from October to December 79 to 95 failed to emerge The pattern and timing of bronze beetle emergence during 2006 was consistent between the four trial orchards and with the 2005 season A survey of 20 orchards during November 2006 was unable to link beetle damage levels with management practices and the physical environment New strategies to manage bronze beetle larvae are discussed

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Bronze beetle control in Auckland apple orchards

Cited by 3 publications

References 0 publications

Managing bronze beetle <i>Eucolaspis brunnea</i> in organic apple orchards

Managing bronze beetle <i>Eucolaspis brunnea</i> in organic apple orchards

Population dynamics of bronze beetle <i>Eucolaspis</i> spp (Coleoptera Chrysomelidae) in relation to other soil macroinvertebrates in organic apple orchards in Hawkes Bay

Potential strategies to manage bronze beetle (<i>Eucolaspsis</i> sp) in organic apple orchards

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