Environmental management and biological aspects of the two eriophyoid fig mites Aceria ficus (Cotte) and Rhyncaphytoptus ficifoliae Keifer in Egypt

: Mites associated with abandoned fig trees in Egypt were observed during a 2‐year study. This study included species diversity and seasonal fluctuations as well as some biological aspects of common eriophyoid species. Three phytophagous species consisted of the fig bud mite Aceria ficus (Cotte), th...

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Bibliographic Details
Published in:Anzeiger für Schädlingskunde (Berlin, Germany : 1999) Germany : 1999), 2000-02, Vol.73 (1), p.5-12
Main Authors: Abou‐Awad, By B. A., El‐Sawaf, B. M., Reda, A. S., Abdel‐Khalek, A. A.
Format: Article
Language:English
Subjects:
Abamectin
Aceria ficus
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Biological and medical sciences
Chemical control
Climatic conditions
Control
Demecology
Egypt
Environmental management
Ficus
Fruit trees
Fundamental and applied biological sciences. Psychology
Fungicides
Insecticides
Leaves
Mites
Pesticides
Phytopathology. Animal pests. Plant and forest protection
Predators
Protozoa. Invertebrata
Protozoa. Invertebrates
Rhyncaphytoptus ficifoliae
Seasonal variations
Species diversity
Trophic levels
Viviparity
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Summary:: Mites associated with abandoned fig trees in Egypt were observed during a 2‐year study. This study included species diversity and seasonal fluctuations as well as some biological aspects of common eriophyoid species. Three phytophagous species consisted of the fig bud mite Aceria ficus (Cotte), the fig leaf mite Rhyncaphytoptus ficifoliae Keifer and the two‐spotted spider mite Tetranychus urticae Koch, representing a basic trophic level, were fed upon by three of predacious mites (Pronematus ubiquitus (McGregor), Amblyselus swirskii Athias‐Henriot, Agistemus exsertus Gonzalez). Population abundance of the injurious mites were affected by the prevailing climatic conditions, action of predators and leaf age. A control measure of one summer pesticide (abamectin) application throughout the year seemed to be the most successful management of harmful mites. Life table parameters showed that the population of A. ficus multiplied 28.52 times in a generation time of 17.90 days, while R. ficifoliae population increased 16.50 times in a generation time of 14.61 days. Field and laboratory studies indicated that the viviparity is a typical character in the reproduction of R. ficifoliae.
ISSN:1436-5693
1612-4758
1439-0280
1612-4766
DOI:10.1046/j.1439-0280.2000.00005.x