Studies on acaroid mites II. Observations on the growth requirements of the sugar mite, Carpoglyphus lactis (Linnaeus, 1758)

勇, 飯室; 学, 佐々

doi:10.7601/mez.8.81_2

Cited by 1 publication

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“…C. lactis exhibited a higher population growth on the S diet than on a diet of white sugar because of the higher water and nitrogen contents of the S diet (Iimuro 1956). The relatively low densities of both mites on the S diet during this study may be due to the nutrient content of the S diet, which was too poor for C. lactis (so the predator could not find enough prey), or because the S medium was too sticky for both mites to successfully forage and reproduce.…”

Section: Resultsmentioning

confidence: 99%

Optimal rearing medium for the population growth of the predatory mite, Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae)

San

Tuda

Nakahira

et al. 2020

Egypt J Biol Pest Control

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Background The successful rearing of predators or parasitoids is one of the most important elements in biological control programs. The dried fruit mite, Carpoglyphus lactis (L.), can be used as an alternative prey for the phytoseiid predatory mite, Amblyseius swirs0kii (Athias-Henriot). Main body This study aimed to evaluate the suitability of 3 different diets for C. lactis when rearing A. swirskii: brown sugar, baker’s yeast, and the mixture of brown sugar and baker’s yeast along with 3 initial predator:prey ratios (1:7, 1:12, and 1:20). After 30 days, both the baker’s yeast and the mixture of brown sugar + baker’s yeast diets resulted in the highest predator densities (40.5 times increase at an initial predator:prey ratio of 1:20, with the baker’s yeast diet), whereas the mixture diet produced the highest density of prey. The brown sugar resulted in the lowest number of predator and prey mites. This may be due to lower feeding and predation rates of the prey and the predator mites on the brown sugar medium since its relative moisture content and adhesiveness inhibits mite movement. The final predator:prey ratio was also highest on the baker’s yeast diet. Conclusions This study demonstrated that the population growth of A. swirskii was the highest when C. lactis was reared on baker’s yeast.

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Section: Resultsmentioning

confidence: 99%