What does this research mean for the field?

To maximize the suppression of Tetranychus urticae, the combined use of the fungus Beauveria bassiana and the predatory mite Neoseiulus californicus requires a sequential application strategy with a 6-day interval to minimize the fungus's negative effects on the predatory mite. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate combined and sequential application strategies using the entomopathogenic fungus Beauveria bassiana and the predatory mite Neoseiulus californicus to suppress Tetranychus urticae on sweet pepper.

September 2, 2026Experimental and Applied AcarologyOpen Access

Combined use of Beauveria bassiana and the predatory mite Neoseiulus californicus to suppress Tetranychus urticae on greenhouse-grown sweet pepper

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Authors

MMMiguel Michereff‐FilhoBrazilian Agricultural Research Corporation RLRogério Biaggioni LopesBrazilian Agricultural Research Corporation PSPaloma Alves SilvaUniversidade de Brasília

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Implication

Experimental evaluation demonstrates staggered biological control suppresses two-spotted spider mites in sweet pepper, indicating sequential release protects predatory mites.

Key Points

To evaluate combined and sequential application strategies using the entomopathogenic fungus Beauveria bassiana and the predatory mite Neoseiulus californicus to suppress Tetranychus urticae on sweet pepper.
Compared Tetranychus urticae suppression across sweet pepper plants treated with B. bassiana alone, N. californicus alone, or both biocontrol agents concurrently under greenhouse conditions.
Evaluated a temporal selectivity strategy in laboratory and greenhouse settings by releasing N. californicus at varying time intervals after B. bassiana conidia application.
At 7 days post-treatment, T. urticae populations declined by 53–62% with N. californicus alone, 77–81% with B. bassiana alone, and 73–81% with concurrent co-application.
Concurrent application reduced N. californicus abundance on plants sprayed with B. bassiana compared to unsprayed controls.
Introducing a 6-day interval between B. bassiana application and N. californicus release substantially mitigated the negative effects of the fungus on predatory mite populations in both laboratory and greenhouse conditions.

Cite This Study

Michereff‐Filho et al. (2026) studied this question.

synapsesocial.com/papers/6a97e318c562ede874ec7b7e https://doi.org/10.1007/s10493-026-01190-3

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Implication

Experimental evaluation demonstrates staggered biological control suppresses two-spotted spider mites in sweet pepper, indicating sequential release protects predatory mites.

Combined use of Beauveria bassiana and the predatory mite Neoseiulus californicus to suppress Tetranychus urticae on greenhouse-grown sweet pepper

Discussion

Member takes

Implication

Key Points

Cite This Study

Combined use of Beauveria bassiana and the predatory mite Neoseiulus californicus to suppress Tetranychus urticae on greenhouse-grown sweet pepper

Discussion

Member takes

Implication

Key Points

Cite This Study

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