Mite Pests of Honey Bees

Jong, D. de; Morse, and R A; Eickwort, George C.

doi:10.1146/annurev.en.27.010182.001305

Cited by 224 publications

(145 citation statements)

References 18 publications

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“…is a parasitic mite that reproduces on the immature stages of its host, A. mellifera L. (reviewed in De Jong et al, 1982;De Jong, 1990). Mites reproducing on drone brood average 2.2-2.6 female offspring per host, while those reproducing on worker brood average 1.3-1.4 offspring (Schulz, 1984;Fuchs and Langenbach, 1989).…”

Section: Varroa Destructormentioning

confidence: 99%

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Calderone

Kuenen

2003

Apidologie

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-Varroa destructor is a parasitic mite of A. mellifera. Female mites reproduce on both drone and worker brood; but they are found 5-9 times more often on drone brood. We examined larval tending by brood nest bees to determine if this behavior could provide an explanation for these differences. We observed workers tending worker and drone larvae in three observation colonies commencing 60 h prior to the completion of cell capping, an interval that includes the susceptible periods of both types of brood. Workers invested 2.78 times more time tending drone larvae than worker larvae, a difference due primarily to a greater number of tending acts directed towards drone brood. This finding demonstrates that phoretic mites may have more opportunity to enter drone brood. The 2.78 fold difference in time tending larvae combined with the previously reported 2-4-fold differences in the lengths of the periods when cells are capped could explain a 5.56-11.12 fold difference in mite levels in worker and drone brood, similar to 'previously' reported differences.Varroa destructor / Apis mellifera / nurse bee / cell capping

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Section: Varroa Destructormentioning

confidence: 99%

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Calderone

Kuenen

2003

Apidologie

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“…As avaliações oficiais de perdas de colônias são mais recentes do que nos EUA e não estão disponíveis com a mesma periodicidade, como ocorre no continente americano, pois envolve adesão de países da UE, bem como o engajamento de órgãos para a padronização de metodologia em tais avaliações (Laurent et al, 2015). Após a introdução do ácaro Varroa, na década de 1970, as perdas de colônias passaram a ser elevadas na Europa, apesar das tentativas de controle feitas pelos apicultores (De Jong, 1982;Genersch et al, 2010). Entre 2006 e 2008, a Europa sofreu perdas de colônias, embora para tais perdas não se tenha constatado sintomas semelhantes àqueles associados à CCD nos EUA.…”

Section: Histórico Da Síndrome "Distúrbio Do Colapso Das Colônias" Nounclassified

Enfraquecimento e perda de colônias de abelhas no Brasil: há casos de CCD?

Pires

Pereira

Lopes

et al. 2016

Pesq. agropec. bras.

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Resumo -Nas últimas décadas, o declínio de populações de abelhas silvestres e o colapso de colônias de Apis mellifera têm preocupado pesquisadores e apicultores. O objetivo deste artigo de revisão foi compilar alguns dos estudos mais relevantes relacionados às possíveis causas desses problemas -como nutrição, manejo, patógenos, parasitas e efeitos de agrotóxicos -, além de apresentar um breve histórico da síndrome "colony collapse disorder" (CCD) nos Estados Unidos e na Europa. Abordaram-se com mais detalhes os estudos desenvolvidos no Brasil, principalmente sobre agrotóxicos utilizados na agricultura e patógenos e parasitas que acometem as colônias de A. mellifera africanizada. Casos de enfraquecimento, declínio e colapso têm sido registrados, principalmente nos estados de São Paulo e Santa Catarina, que somam grandes perdas. Resultados das ocorrências analisadas indicaram que as mortalidades em massa registradas no Brasil não estavam associadas a patógenos ou a parasitas. Somente dois casos com características semelhantes às descritas para CCD foram registrados, porém sem causas definidas. Para que se conheçam as causas de enfraquecimentos e perdas de colônias de abelhas, é urgente a implementação de programas oficiais de levantamento sistemático da sanidade apícola, associados a pesquisas com foco nas avaliações dos possíveis impactos da fragmentação de habitats e das práticas agrícolas sobre as comunidades de abelhas.Termos para indexação: Apis mellifera, abelha africanizada, distúrbio do colapso das colônias, nutrição de abelhas, patologia apícola, polinização. Weakness and collapse of bee colonies in Brazil: are there cases of CCD?Abstract -In the last decades, the decline of wild bee populations and the collapse of Apis mellifera colonies have concerned researchers and beekeepers. The objective of this review was to compile some of the most relevant studies related to the possible causes of these problems -such as nutrition, management, pathogens, parasites, and the effects of pesticides -, besides presenting a brief history of the colony collapse disorder syndrome (CCD) in the United States and Europe. The studies developed in Brazil were presented in more detail, mainly those on pesticides used in agriculture and on pathogens and parasites that attack the colonies of Africanized A. mellifera. Cases of weakening, decline, and collapse have been recorded in Brazil, mainly in the states of São Paulo and Santa Catarina, which add up to great losses. Results of the analyzed occurrences indicated that the recorded mass mortalities were not associated with pathogens or parasites. Only two cases with characteristics similar to those described for CCD were recorded, but without defined causes. In order to know the causes of the weakening and collapses of colonies, the implementation of official programs is urgent for the systematic survey of bee health, associated with research focusing on assessments of possible impacts of habitat fragmentation and agricultural practices on bee communities.

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“…A difi culdade em se manter criações de insetos livres de ácaros também vem sendo observada em colônias de Apis cerana Fabricius, Apis mellifera Linnaeus e Melipona colimana Ayala (Hymenoptera: Apidae), que são atacadas por Varroa jacobsoni (Oudemans), Varroa destructor Anderson & Trueman (Acari: Varroidae) e P. tritici (De Jong et al 1982, Anderson & Trueman 2000.…”

Section: Resumo -O áCaro Parasita Acarophenax Lacunatusunclassified

Suscetibilidade de Acarophenax lacunatus (Cross & Krantz) (Prostigmata: Acarophenacidae) ao enxofre

Gonçalves¹,

Faroni²,

Guedes³

et al. 2007

Neotrop. Entomol.

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-The parasitic mite Acarophenax lacunatus (Cross & Krantz) is a potentially important biocontrol agent of stored grain insect pests, but its presence in insect mass rearing is undesirable. This study was carried out to evaluate the susceptibility of A. lacunatus to sulfur. The experimental units were petri dishes containing 30 g of whole wheat grains infested with 30 adults of Rhyzopertha dominica (Fabricius) (Coleoptera: Bostrichidae). The treatments consisted of pulverizing the wheat grains with sulfur, at 0, 0.15, 0.3, 0.6, 0.9 and 1.2 mg a.i./g, in fi ve replicates. Three inoculations of A. lacunatus were carried out in each petri dish at fi ve, ten and fi fteen days after infestation with R. dominica. The petri dishes were stored for 60 days at 30 ± 1ºC, 60 ± 5% R.H. and 24h scotophase. The parasitic mite was susceptible to all sulfur doses used in the test. The number of eggs of R. dominica parasitized by A. lacunatus showed a decreasing trend with the increase in doses of sulfur, as did the number of physogastric females of the mite. The mite showed a negative correlation of their instantaneous rate of increase with sulfur dose. No mites developed at sulfur doses higher than 0.3 mg a.i./g. The susceptibility of A. lacunatus to sulfur is an important aspect to consider in the control of this parasitic mite in colonies of R. dominica. In addition, this control method has low cost and is easy to use.

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Mite Pests of Honey Bees

Cited by 224 publications

References 18 publications

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Differential tending of worker and drone larvae of the honey bee,Apis mellifera, during the 60 hours prior to cell capping

Enfraquecimento e perda de colônias de abelhas no Brasil: há casos de CCD?

Suscetibilidade de Acarophenax lacunatus (Cross & Krantz) (Prostigmata: Acarophenacidae) ao enxofre

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