Systematic & Applied Acarology
ISSN 1362-1971
An international journal of the Systematic and Applied Acarology Society, published since 1996


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Systematic & Applied Acarology (2010) 15, 228–234.

Mites (Acari) on coconut, date palm and associated plants in Oman

FABIEN C.C. HOUNTONDJI1*, GILBERTO J. DE MORAES2 & HAMID Al-ZAWAMRI1

1Ministry of Agriculture, Agricultural and Livestock Research - Dhofar region, P.O. Box 1286, 211 Salalah, Sultanate of Oman

2ELSAQ, Universidade de São Paulo, Av. Pádua Dias, 11, 13418-900 - Piracicaba, SP, Brazil

*Corresponding author: E-mail: fabienho@yahoo.com

Abstract

Faunistic information about plant mites in the Sultanate of Oman is scarce. Within the scope of a project investigating the biological control of the coconut mite, Aceria guerreronis Keifer, a preliminary survey was conducted in the Dhofar and Muscat regions of Oman to determine possible alternative plants on which natural enemies associated with this pest might occur. During the survey, 29 mite species were found. The most prevalent phytophagous species were A. guerreronis on coconut, Calacarus flagelliseta Flechtmann, Moraes & Barbosa on papaya (both Eriophyidae) and Raoiella indica Hirst (Tenuipalpidae) on coconut and banana. Calacarus flagelliseta was found to be heavily infected by the entomopathogenic fungus Hirsutella sp. Other mites with high prevalence include the pollen-feeder Neocypholaelaps stridulans (Evans) (Ameroseiidae) and Euseius scutalis Athias-Henriot, the latter being the most numerous of the predatory Phytoseiidae. Only the phytoseiids Neoseiulus paspalivorus De Leon and Cydnoseius negevi (Swirski & Amitai) were found directly associated with A. guerreronis, underneath the perianth. They were never found on other host plants. The geographical ranges of Cheletomimus gracilis Fain, Bochkov & Corpuz-Raros (Cheyletidae), Typhlodromusdalfardicus Daneshvar (Phytoseiidae) and Nasutitarsonemus Beer & Nucifora (Tarsonemidae) are extended.

Key words: Aceria guerreronis, Calacarus flagelliseta, Hirsutella, phytophagous mites, Phytoseiidae, Raoiella indica

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Accepted by Anne Baker 19 Sept.2010; published 10 Dec. 2010

 


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