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Early phytoseiid mites colonizing the plant habitat probably were generalized types with omnivorous food habits. Various life styles and ‘body plans’ evolved, some adapted to exploiting certain foods, others to cope with specific plant characteristics. Marked specialization for utilizing spider mites, producing copious webbing, as prey probably evolved independently in at least four of the 16 tribes...
In vineyards, generalist phytoseiids are important in keeping phytophagous mites at economically acceptable levels. Among these predators, Typhlodromus pyri and Kampimodromus aberrans have proven to be most effective, because they increase in numbers in response to mite pests and alternative prey/food, they persist under conditions of prey scarcity, and they can tolerate several fungicides and insecticides...
The abundance and diversity of phytoseiid mites were surveyed from April to September 2003-2005 in several grape crops in the South of France, with Grenache and Syrah cultivars, co-planted with rows of Sorbus domestica or Pinus pinea and in plots with monocultures of grapes. Densities of phytoseiid mites differed on the two tree species. Pinus pinea seemed to be a better host than S. domestica. Typhlodromus exhilaratus...
The potential of using synthetic herbivore-induced plant volatiles (HIPV) (e.g., methyl salicylate, MeSA) as a cultural tool to enhance conservation biological control of mites is being researched in commercially grown hops in Washington State, USA. Compared to unbaited blocks, hop yards baited with controlled release sachet (CRS) dispensers of synthetic MeSA recruited larger (3-5×) populations of...
The coconut mite, Aceria guerreronis (Acari: Eriophyidae), invaded Sri Lanka in 1997, and subsequently spread in many areas infesting 17% of the total coconut extent by 2005. It is more prevalent in the dry zone than in the intermediate and wet zones. Within each year, populations fluctuated with high peaks in June-August and relatively low levels in November-February. Neoseiulus baraki and N. paspalivorus...
Neoseiulus californicus (McGregor) is a relatively effective phytoseiid predator against spider mites reported from the Americas (North and South), Africa, the Mediterranean basin, and Japan. This study was a collaborative effort to identify and mass-rear a strain of N. californicus that is more efficacious under arid conditions than the standard commercial strain from California (USA)....
A survey on host range and distribution of mite species associated with fruit crops was carried out during 1999-2001 at different altitudes and districts of Himachal Pradesh. Eight species of predaceous mites (mostly Phytoseiidae) were found in association with 11 species of phytophagous mites (mostly Tetranychidae). Panonychus ulmi was the major phytophagous species on apple at Shimla district, other...
Amblyseius longispinosus is an effective predator for the control of two-spotted spider mite, Tetranychus urticae, on roses. It feeds on all stages of the spider mite but it prefers nymphs and adults to eggs. The predatory mites were kept under laboratory conditions on excised, mite-infested rose leaves. Under winter conditions (T-min 0.5-5.9 °C, T-max 18.4-22.7 °C, 20-91% relative humidity),...
The entomopathogenic fungus Beauveria bassiana (Balsamo) as control agent of European red mite, Panonychus ulmi Koch, citrus rust mite Phyllocoptruta oleivora (Ashmed), and two-spotted spider mite Tetranychus urticae Koch was investigated. Fungal spore suspensions at 2×106 and 2×108 spores/ml were applied to P. ulmi and Ph. oleivora. Mite mortality increased with an increase in spore concentration...
Since 1998, the coconut mite, Aceria guerreronis, has been a chronic constraint to coconut farming in India, the third largest producer of coconuts in the world. From the beginning, biological control has been perceived as the most sustainable method for its management, despite the availability of several alternatives such as chemical and botanical pesticides, and nutrition-based cultural methods...
Aceria guerreronis (Acari: Eriophyoidea) inflicts severe damage on the nuts of commercial coconut palms. Investigations were carried out in India and Sri Lanka to investigate the association of mycopathogens with A. guerreronis. Mite-infested nuts were collected, brought to the laboratory, and examined for the presence of fungi associated with A. guerreronis. Cadavers showing mycelial growth...
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