Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests

A laboratory experiment was carried out on stored wheat infested by the stored product mite Acarus siro and beetle Oryzaephilus surinamensis. The initial infestation was 150 mites of A. siro and 15 beetles of O. surinamensis per 1 kg of wheat. The predatory mite Cheyletus eruditus and parasitoid Cep...

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Main Authors: Eva Žďárková, Jan Lukáš, Pavel Horák
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2003-03-01
Series:Plant Protection Science
Subjects:
Online Access:https://pps.agriculturejournals.cz/artkey/pps-200301-0006_compatibility-of-cheyletus-eruditus-schrank-acari-cheyletidae-and-ce-phalonomia-tarsalis-ashmead-hymeno.php
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author Eva Žďárková
Jan Lukáš
Pavel Horák
author_facet Eva Žďárková
Jan Lukáš
Pavel Horák
author_sort Eva Žďárková
collection DOAJ
description A laboratory experiment was carried out on stored wheat infested by the stored product mite Acarus siro and beetle Oryzaephilus surinamensis. The initial infestation was 150 mites of A. siro and 15 beetles of O. surinamensis per 1 kg of wheat. The predatory mite Cheyletus eruditus and parasitoid Cephalonomia tarsalis were added in the ratio 1:20 and 1:12, repectively. Three combinations were tested: (1) mites and (2) beetles separately, and (3) mites and beetles together. The experiment ran for three months at 22°C and 75% RH. The pests were suppressed by their antagonists in all combinations. Synchronous application of both natural enemies resulted in better control of O. surinamensis through an enhanced effect of both antagonists.
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spelling doaj.art-3e7546b447754b8db6ad866fa6c707112023-02-23T03:43:44ZengCzech Academy of Agricultural SciencesPlant Protection Science1212-25801805-93412003-03-01391293410.17221/3824-PPSpps-200301-0006Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pestsEva Žďárková0Jan Lukáš1Pavel Horák2Department of Stored-Product Pest Control, Research Institute of Crop Production, Prague-Ruzyně, Czech RepublicDepartment of Stored-Product Pest Control, Research Institute of Crop Production, Prague-Ruzyně, Czech RepublicDepartment of Stored-Product Pest Control, Research Institute of Crop Production, Prague-Ruzyně, Czech RepublicA laboratory experiment was carried out on stored wheat infested by the stored product mite Acarus siro and beetle Oryzaephilus surinamensis. The initial infestation was 150 mites of A. siro and 15 beetles of O. surinamensis per 1 kg of wheat. The predatory mite Cheyletus eruditus and parasitoid Cephalonomia tarsalis were added in the ratio 1:20 and 1:12, repectively. Three combinations were tested: (1) mites and (2) beetles separately, and (3) mites and beetles together. The experiment ran for three months at 22°C and 75% RH. The pests were suppressed by their antagonists in all combinations. Synchronous application of both natural enemies resulted in better control of O. surinamensis through an enhanced effect of both antagonists.https://pps.agriculturejournals.cz/artkey/pps-200301-0006_compatibility-of-cheyletus-eruditus-schrank-acari-cheyletidae-and-ce-phalonomia-tarsalis-ashmead-hymeno.phpacarus sirooryzaephilus surinamensischeyletus erudituscephalonomia tarsalisstored wheatbiological control
spellingShingle Eva Žďárková
Jan Lukáš
Pavel Horák
Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests
Plant Protection Science
acarus siro
oryzaephilus surinamensis
cheyletus eruditus
cephalonomia tarsalis
stored wheat
biological control
title Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests
title_full Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests
title_fullStr Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests
title_full_unstemmed Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests
title_short Compatibility of Cheyletus eruditus (Schrank) (Acari: Cheyletidae) and Ce­phalonomia tarsalis (Ashmead) (Hymenoptera: Bethylidae) in biological control of stored grain pests
title_sort compatibility of cheyletus eruditus schrank acari cheyletidae and ce phalonomia tarsalis ashmead hymenoptera bethylidae in biological control of stored grain pests
topic acarus siro
oryzaephilus surinamensis
cheyletus eruditus
cephalonomia tarsalis
stored wheat
biological control
url https://pps.agriculturejournals.cz/artkey/pps-200301-0006_compatibility-of-cheyletus-eruditus-schrank-acari-cheyletidae-and-ce-phalonomia-tarsalis-ashmead-hymeno.php
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