| plant feeding by a predatory mite inhabiting cassava. | plant feeding by arthropod predators may strongly affect the dynamics of bi-and tri-trophic interactions. we tested whether a predatory mite, typhlodromalus aripo, feeds upon its host plant, cassava. this predator species is an effective biological control agent of monoychellus tanajoa (the cassava green mite or cgm) a herbivorous mite specific to cassava. we developed a technique to detect plant feeding, based on the use of a systemic insecticide. we found that t. aripo feeds upon plant-borne m ... | 2002 | 12593510 |
| search for effective natural enemies of tetranychus evansi (acari: tetranychidae) in northwest argentina. | the mite tetranychus evansi baker & pritchard (tetranychidae) probably originated in south america. because of its importance as a tomato pest in africa, an extensive project has been conducted to detect potentially effective natural enemies in south america for the classical biological control of the pest in africa. a search for the natural enemies of t. evansi was conducted in the province of tucumán, northwestern argentina, in december 2004, and this report describes the results. one hundred ... | 2007 | 17851767 |
| biological performance of the predatory mite neoseiulus idaeus (phytoseiidae): a candidate for the control of tetranychid mites in brazilian soybean crops. | the soybean (glycine max (l.): fabaceae) is considered the most important agricultural crop in brazil. phytophagous tetranychid mites as mononychellus planki mcgregor, tetranychus ludeni zacher and t. urticae koch have been considered pest in soybean crops. neoseiulus idaeus denmark & muma (phytoseiidae) is a predatory mite of t. ludeni and t. urticae. the aim of the present study was to evaluate the biological performance of n. idaeus when fed on t. urticae, t. ludeni and m. planki, coming from ... | 2016 | 27533728 |
| importance of ambient saturation deficits in an epizootic of the fungus neozygites floridana in cassava green mites (mononychellus tanajoa). | the mite-pathogenic fungus neozygites floridana fisher (entomophthorales: neozygitaceae) is considered to have potential for the biological control of the cassava green mite, mononychellus tanajoa (bondar). however, its activity is sporadic and laboratory data suggest a strong dependence on night-time saturation deficits for transmission. we report on an epizootic of this fungus in a mite population in northeastern brazil. during the epizootic, host populations appeared to he limited by a combin ... | 2002 | 12593509 |
| potential of the mite-pathogenic fungus neozygites floridana (entomophthorales: neozygitaceae) for control of the cassava green mite mononychellus tanajoa (acari: tetranychidae). | the cassava green mite, mononychellus tanajoa (bondar), is an exotic pest in africa and is the target of a classical biological control programme. field data from the neotropics, where it is indigenous, are presented for the first time, charting the variation in abundance of m. tanajoa over several seasons. this was highly variable, with a characteristic trough mid-year and a peak at the turn of the year. this pattern corresponded positively with rainfall levels, appearing to fit a phenology als ... | 2000 | 10996860 |
| neoseiulus idaeus (acari: phytoseiidae) as a potential biocontrol agent of the two-spotted spider mite, tetranychus urticae (acari: tetranychidae) in papaya: performance on different prey stage--host plant combinations. | development, reproduction, and life table parameters of the phytoseiid mite neoseiulus idaeus denmark & muma preying on various stages of tetranychus urticae koch fed on papaya or snap bean plant were studied at 25 +/- 2 degrees c, 77 +/- 2% rh and 12l:12d photoperiod. most characteristics of the predator, including the duration of the immature stages, preoviposition and oviposition periods, and female longevity did not differ significantly among the different food combinations. during the adult ... | 2007 | 17237969 |
| failure of the mite-pathogenic fungus neozygites tanajoae and the predatory mite neoseiulus idaeus to control a population of the cassava green mite, mononychellus tanajoa. | monitoring of a population of the phytophagous cassava green mite, mononychellus tanajoa (bondar), and its natural enemies was undertaken in central bahia, brazil, in mid-1996. in spite of the presence of extremely high densities of the predatory phytoseiid mite neoseiulus idaeus denmark & muma, the phytophagous mite population reached such high densities itself that there was total overexploitation of the cassava plants, leading to total leaf loss. meanwhile, the mite-pathogenic fungus neozygit ... | 2008 | 18665330 |