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Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents

Mustapha Touray Orcid Logo, Harun Cimen Orcid Logo, Ibrahim Cakmak Orcid Logo, Selcuk Hazir Orcid Logo

Ecosphere, Volume: 16, Issue: 12, Start page: e70469

Swansea University Author: Mustapha Touray Orcid Logo

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DOI (Published version): 10.1002/ecs2.70469

Abstract

Mycophagous invertebrates can significantly impact the efficacy of fungal biocontrol agents; yet the interaction between these agents and Sancassania polyphyllae (Acari: Acaridae), commonly found in soil ecosystems, remains poorly understood. Our study demonstrates that Sa. polyphyllae mites feed on...

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Published in: Ecosphere
ISSN: 2150-8925 2150-8925
Published: Wiley 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa71042
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spelling 2025-12-19T14:25:31.2204024 v2 71042 2025-12-01 Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents 525f9e9af0d60813fdaee65dc0cb7cdf 0000-0002-9550-0782 Mustapha Touray Mustapha Touray true false 2025-12-01 BGPS Mycophagous invertebrates can significantly impact the efficacy of fungal biocontrol agents; yet the interaction between these agents and Sancassania polyphyllae (Acari: Acaridae), commonly found in soil ecosystems, remains poorly understood. Our study demonstrates that Sa. polyphyllae mites feed on fungus-infected insect cadavers as well as the mycelium and spores of Trichoderma afroharzianum and Metarhizium brunneum in pure cultures. Mite feeding activity was greater on Trichoderma than Metarhizium pure cultures, possibly due to Metarhizium's acaricidal effects, which impacted mite activity. Furthermore, mite feeding on fungus-infected insect cadavers caused visible damage to the integument. This feeding behavior significantly impacted fungal sporulation, a key factor in biocontrol efficacy. In both the M. brunneum-infected Galleria groups and the Tr. afroharzianum-infected Galleria groups, mite numbers increased over time, peaking around 9–11 days post-infection before slightly declining or plateauing. Notably, the fungi-infected insect tissue consistently exhibited significantly higher mite numbers than the pure cultures group at several time points. In dual-culture assays, Sa. polyphyllae mites preferentially fed on Fusarium oxysporum over Tr. afroharzianum. The presence of Fusarium may influence mite behavior and potentially reduce their impact on Trichoderma. This preference, possibly nutritional, requires further investigation. Consequently, Trichoderma's suppression of Fusarium in soil could significantly impact the food resources available to soil-dwelling mites like Sa. polyphyllae. Further research is needed to determine the nutritional basis of this feeding preference. Journal Article Ecosphere 16 12 e70469 Wiley 2150-8925 2150-8925 Astigmata, biological control, entomopathogenic fungi, infection, mycoparasitic fungi, Sancassania 31 12 2025 2025-12-31 10.1002/ecs2.70469 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University SU Library paid the OA fee (TA Institutional Deal) Aydin Adnan Menderes University. Grant Number: FEF-22014 2025-12-19T14:25:31.2204024 2025-12-01T14:15:12.5883954 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Mustapha Touray 0000-0002-9550-0782 1 Harun Cimen 0000-0002-0106-4183 2 Ibrahim Cakmak 0000-0003-1903-3913 3 Selcuk Hazir 0000-0001-9298-1472 4 71042__35874__ccb83e0f3f264a6284542a6f2bd0e434.pdf 71042.VOR.pdf 2025-12-19T14:03:10.0063745 Output 13546179 application/pdf Version of Record true © 2025 The Author(s). Ecosphere published by Wiley Periodicals LLC on behalf of The Ecological Society of America. This is an open access article under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
spellingShingle Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
Mustapha Touray
title_short Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
title_full Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
title_fullStr Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
title_full_unstemmed Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
title_sort Tri-trophic interactions of soil mite Sancassania polyphyllae (Acari: Acaridae) with fungal biocontrol agents
author_id_str_mv 525f9e9af0d60813fdaee65dc0cb7cdf
author_id_fullname_str_mv 525f9e9af0d60813fdaee65dc0cb7cdf_***_Mustapha Touray
author Mustapha Touray
author2 Mustapha Touray
Harun Cimen
Ibrahim Cakmak
Selcuk Hazir
format Journal article
container_title Ecosphere
container_volume 16
container_issue 12
container_start_page e70469
publishDate 2025
institution Swansea University
issn 2150-8925
2150-8925
doi_str_mv 10.1002/ecs2.70469
publisher Wiley
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
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description Mycophagous invertebrates can significantly impact the efficacy of fungal biocontrol agents; yet the interaction between these agents and Sancassania polyphyllae (Acari: Acaridae), commonly found in soil ecosystems, remains poorly understood. Our study demonstrates that Sa. polyphyllae mites feed on fungus-infected insect cadavers as well as the mycelium and spores of Trichoderma afroharzianum and Metarhizium brunneum in pure cultures. Mite feeding activity was greater on Trichoderma than Metarhizium pure cultures, possibly due to Metarhizium's acaricidal effects, which impacted mite activity. Furthermore, mite feeding on fungus-infected insect cadavers caused visible damage to the integument. This feeding behavior significantly impacted fungal sporulation, a key factor in biocontrol efficacy. In both the M. brunneum-infected Galleria groups and the Tr. afroharzianum-infected Galleria groups, mite numbers increased over time, peaking around 9–11 days post-infection before slightly declining or plateauing. Notably, the fungi-infected insect tissue consistently exhibited significantly higher mite numbers than the pure cultures group at several time points. In dual-culture assays, Sa. polyphyllae mites preferentially fed on Fusarium oxysporum over Tr. afroharzianum. The presence of Fusarium may influence mite behavior and potentially reduce their impact on Trichoderma. This preference, possibly nutritional, requires further investigation. Consequently, Trichoderma's suppression of Fusarium in soil could significantly impact the food resources available to soil-dwelling mites like Sa. polyphyllae. Further research is needed to determine the nutritional basis of this feeding preference.
published_date 2025-12-31T05:33:03Z
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