نتایج جستجو برای: percentage of nymphal instars mortality
تعداد نتایج: 21194876 فیلتر نتایج به سال:
The effect of Bacillus thuringiensis var. kurstaki on different larval instars of Colorado potato beetle, Leptinotarsa decemlineata (Say) and the role of two plant materials, namely, caffeine and aqueous neem extract, in the enhancement of it’s efficiency was investigated under laboratory conditions. The experiments were conducted at 25±4 oC, 65±5 %(RH) and photoperiod of 16:8 (L:D).The larvae ...
The effect of Bacillus thuringiensis var. kurstaki on different larval instars of Colorado potato beetle, Leptinotarsa decemlineata (Say) and the role of two plant materials, namely, caffeine and aqueous neem extract, in the enhancement of it’s efficiency was investigated under laboratory conditions. The experiments were conducted at 25±4 oC, 65±5 %(RH) and photoperiod of 16:8 (L:D).The larvae ...
Vector borne diseases are affecting millions of people annually. Entomopathogenic fungi toxicity on malaria vectors increase mortality rates, and are less effective on nontarget organisms, thus representing a control measure that could be used in integrated programmes. Before metabolites of entomopathogenic fungi can be integrated into control programmes, an effective delivery system must be de...
background: the brown-banded cockroach, supella longipalpa , is not as common as the german cockroach in iran. this species seeks out areas that are very warm most of the time, and prefer warmer area than what german cockroaches prefer. there is relationship between development of instars and diet of cockroaches. the aim of this study was to determine the effect of different diets on biology,...
A new species of the genus Scheloribates (Oribatida, Scheloribatidae) — S. (Scheloribates) arsizonensis n. sp. is described from Ethiopia, based on adult and juvenile instars, collected litter green moss in Arsi Mountains National Park. Adults differ praestantissimus (Berlese, 1916) having fusiform, distally pointed bothridial seta, absence prolamella, presence well-developed notogastral setae ...
the purpose of this study was to investigate the relationship between family functioning and marital adjustment humor couples are due to the nature and objectives of the research and application of methods for its implementation correlation was used. the study population consisted of all the couples in the city who uses random cluster sampling of 200 students were selected as sample. data from ...
background & aim: the plants of the greenhouse have been affected by infestation of the pest trialeurodes vaporariorum, called greenhouse whitefly, which markedly reduced production. synthetic insecticides have been widely developed and, their extensive use has brought about disadvantages, like environmental disturbance, pest resistance, lethal effects on non target organisms and toxicity t...
Species identification of scale insects is usually made during the adult female period. However, early nymphal stages are targeted in control these pests. Plum Lecanium, Sphaerolecanium prunastri (Boyer de Fonscolombe) (Hemiptera: Coccidae) an economically important pest stone fruits, almonds, and ornamental Prunus species Turkey as well worldwide. The first–instar, second–instar male female, t...
The values of biological parameters related to hatching, lifespan, the number of blood meals between moults, mortality, time lapse before the beginning of feeding, feeding time and defecation delay for each instar of three Mexican-American species of Triatominae, Triatoma recurva, Triatoma protracta (former subspecies protracta) and Triatoma rubida (former subspecies uhleri), were evaluated and...
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