Root Weevil (Coleoptera: Curculionidae) and Ground Beetle (Coleoptera: Carabidae) Immigration into Strawberry Plots Protected by Fence or Portable Trench Barriers

Bomford, Michael K.; Vernon, Robert S.

doi:10.1603/0046-225x-34.4.844

Cited by 11 publications

(10 citation statements)

References 11 publications

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“…All stages of weevils can be present throughout the season (Stenseth 1976; Evenhuis 1982). Adults of P. melanarius can consume all stages of root weevils (Bomford and Vernon 2005), and the smaller species P. crenatus and P. strenuus which occurred earlier than the former species may act as weevil egg and larval predators. As carabid larvae are also predatory, the presence of diverse species aims to guarantee the presence of active predators throughout the season.…”

Section: Discussionmentioning

confidence: 99%

Organic mulches vs. black plastic in organic strawberry: does it make a difference for ground beetles (Col., Carabidae)?

Tuovinen

Kikas

Tolonen

et al. 2006

J Applied Entomology

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Carabid beetles were sampled by pitfall traps in May-September 2002 and2003 in an experimental organic strawberry field in seven different mulching row treatments and in fescue-growing row spaces to determine the effect of mulches on carabid activity-density and species composition. There were no differences between treatments or row spaces in total numbers of all carabid species in either season. Of the 67 identified species and 4374 individuals, the most trapped ones were Clivina fossor (11.7% of total catch), Dyschirius globosus (10.2%), Patrobus atrorufus (9.3%), Pterostichus niger (8.8%), Bembidion properans (7.4%), Pterostichus melanarius (6.0%), Bembidion lampros (5.7%), Pterostichus crenatus (5.7%), Amara communis (4.1%), Trechus secalis (3.9%), Pterostichus strenuus (3.9%), Loricera pilicornis (3.1%), Harpalus rufipes (2.8%) and Carabus nemoralis (2.6%). Large carabid species P. niger and P. melanarius were trapped more in all mulched rows than in row spaces, and C. nemoralis was trapped more in the mixture of pine woodchip/buckwheat husk mulch than in row spaces, barley straw and birch woodchip mulch. The small but abundant species P. atrorufus was trapped more in buckwheat husk mulch than in row spaces and B. properans in row spaces than in buckwheat husk mulch. H. rufipes, being also a pest in strawberry, was trapped more in cut grass mulch than in row spaces. The Shannon H¢ diversity index was significantly higher in the mixture of pine woodchip/buckwheat husk mulch than in black plastic, buckwheat husk mulch or in row spaces, and in birch woodchip and cut grass mulches than in row spaces. The results of trapping studies show the species preference to the specific mulches, and reflect positive or negative effect of mulches on carabid diversity with consequences to plant protection.

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Section: Discussionmentioning

confidence: 99%

Organic mulches vs. black plastic in organic strawberry: does it make a difference for ground beetles (Col., Carabidae)?

Tuovinen

Kikas

Tolonen

et al. 2006

J Applied Entomology

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“…Many pest species move into crops from habitats that provide spatial or temporal refuge from control tactics, such as neighboring fields or natural habitats [1,2]. Movement between such subdivided pest populations promotes pest stability (variation in abundance across time) and persistence (rates of local extinction) [3,4], perhaps confounding management efforts to reduce population density.…”

Section: Introductionmentioning

confidence: 99%

“…However, it is not always possible to manage pests before they disperse from source locations. In these situations, a possible alternative tactic would be to restrict pest movement with physical barriers [1].…”

Section: Introductionmentioning

confidence: 99%

Effects of restricting movement between root and canopy populations of woolly apple aphid

et al. 2019

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Movement of insect pests between spatially subdivided populations can allow them to recolonize areas where local extinction has occurred, increasing pest persistence. Populations of woolly apple aphid ( Eriosoma lanigerum [Hausmann]; Hemiptera: Aphididae), a worldwide pest of apple ( Malus domestica [Borkhausen]), occur both below- and aboveground. These spatially subdivided subpopulations encounter different abiotic conditions, natural enemies, and control tactics. Restricting movement between them might be an effective management tactic to decrease woolly apple aphid persistence and abundance. We examined this possibility in the field, using sticky barriers to restrict upward woolly apple aphid movement to tree canopies, and in the greenhouse, using mulches and sand amendments to restrict downward movement to roots. In the field, blocking aphid movement up tree trunks did not decrease the number of colonies in tree canopies. Instead, sticky-banded apple trees had higher aphid colony counts late in the study. Earwigs, which are woolly apple aphid predators, were excluded from tree canopies by sticky bands. In the greenhouse, fewer root galls (indicative of aphid feeding) occurred on trees in sandy potting media and on those with mulch (wood chips or paper slurry). Our results suggest that upward movement is less important than other factors that affect aboveground aerial woolly apple aphid population dynamics. In addition, apple orchards planted in sandier soils or with mulches may be partially protected from woolly apple aphid root feeding.

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“…These families also contain species that are primarily detritivorous, fungivorous or phytophagous (Good & Giller, ; Clough et al ., ), including seed‐eating carabids that contribute to weed control (Honek et al ., ). On the other hand, some members of the families Scarabaeidae, Curculionidae and Elateridae are root or foliage feeding pests (Bomford & Vernon, ; Renkema et al ., ; Ansari & Butt, ). Our understanding of beetle function in agricultural systems and the ability to predict community responses to management practices can be improved by grouping trophically and/or morphometrically in addition to taxonomically (Purtauf et al ., ; Vanbergen et al ., ; Woodcock et al ., ).…”

Section: Introductionmentioning

confidence: 99%

Organic mulches in highbush blueberries alter beetle (Coleoptera) community composition and improve functional group abundance and diversity

Renkema

Cutler

Lynch

et al. 2015

Agri and Forest Entomology

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1 Horticultural practices may impact invertebrates in agroecosystems, particularly natural enemies. Impacts can be better understood by grouping organisms functionally or using morphological traits in addition to taxonomic determinations. 2 We compared the effects of mulch type (compost, pine needles, unmulched) and weeding strategy (weeded, unweeded) on beetle (Coleoptera) communities in highbush blueberries, focusing on early-season captures that reflected overwintering habitat. 3 Beetle diversity was similar between plot types, although functional grouping revealed differences as a result of mulching but not weeding. Predatory and granivorous Carabidae were most abundant in unmulched plots, mycetophages were most abundant in pine needles, and saprophages were most abundant in compost. Predatory Staphylinidae were most diverse in compost plots, and the diversity of granivores was greatest in unmulched plots. 4 Carabid biomass was greater in unmulched than compost mulched plots partly as a result of larger beetle size. 5 Beetle communities in unmulched and pine needles mulched plots were more similar than those in compost mulched plots. 6 A combination of compost mulched and unmulched areas should benefit all predatory taxa, although mulch use for pest control will need to be evaluated within the context of other production goals.

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Root Weevil (Coleoptera: Curculionidae) and Ground Beetle (Coleoptera: Carabidae) Immigration into Strawberry Plots Protected by Fence or Portable Trench Barriers

Cited by 11 publications

References 11 publications

Organic mulches vs. black plastic in organic strawberry: does it make a difference for ground beetles (Col., Carabidae)?

Organic mulches vs. black plastic in organic strawberry: does it make a difference for ground beetles (Col., Carabidae)?

Effects of restricting movement between root and canopy populations of woolly apple aphid

Organic mulches in highbush blueberries alter beetle (Coleoptera) community composition and improve functional group abundance and diversity

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