REARING, REPRODUCTIVE BEHAVIOUR AND GAMMA STERILIZATION OF FRUIT FLY, <i>DACUS ZONATUS</i> (DIPTERA: TEPHRITIDAE)

Qureshi, Zeeshan; Ashraf, Mohammad; Bughio, A. R.; Hussain, Shahid

doi:10.1111/j.1570-7458.1974.tb00376.x

Cited by 13 publications

(5 citation statements)

References 11 publications

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“…Larvae were reared in plastic larval rearing containers (80 × 100 × 150 mm) filled with a layer of artificial diet. The larval diet consisted of a mixture of 100 g wheat bran + 30 g sucrose + 40 g dried yeast + 2 g sodium benzoate + 2 g citric acid dissolved in 500 mL distilled water (Qureshi et al ., 2004). Freshly collected eggs, in aqueous suspension, were then spread over the surface of the diet at a rate of 1.0 mL eggs/kg of medium and the container was placed into a larger plastic container (200 × 300 × 400 mm).…”

Section: Methodsmentioning

confidence: 99%

Validation of degree‐day models for predicting the emergence of two fruit flies (Diptera: Tephritidae) in northeast Egypt

et al. 2020

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We estimated thermal developmental thresholds (T 0) and degree-day (DD) constants for the immature stages of two tephritid pests, Bactrocera zonata (Saunders) and Ceratitis capitata (Weidenmann). Males of both species were trapped in an Egyptian guava orchard during the fruiting seasons of 2016 and 2017 and trap catches were compared with peak flights predicted by the DD model based on local weather data. Ceratitis capitata had faster development than B. zonata at 20 and 25°C, but their overall developmental rate was similar at 30 and 35°C. The thermal threshold of development (T 0) of B. zonata was higher than that of C. capitata, indicating greater sensitivity to cold. Although 35°C yielded the fastest development of both species, survival was higher at 30°C, with B. zonata experiencing a slight advantage, suggesting better tropical adaptation. Immature development of B. zonata and C. capitata was estimated to require 338 and 373 d, respectively, and 616 and 424 DD for a complete generation. Trap catches over both seasons showed good correspondence to peaks of fly activity predicted by the DD models; deviations from expectation ranged from 0 to 7 d for both fly species. Both species had four overlapping generations per season, with B. zonata abundance peaking in the first generation in both years, but only in 2016 for C. capitata. The models predict about eight and 12 generations per year in northeast Egypt for B. zonata and C. capitata, respectively. These models should be useful for timing pest control measures to coincide with periods of peak fly activity in fruit orchards.

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Section: Methodsmentioning

confidence: 99%

Validation of degree‐day models for predicting the emergence of two fruit flies (Diptera: Tephritidae) in northeast Egypt

et al. 2020

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“…Mature larvae were removed from rearing cups and entered another plastic cups that contained a layer of 0.5 cm of sand on the bottom for pupation. B. zonata was reared for four successive generations before starting the experiments (Qureshi et al, 1974).…”

Section: Methodsmentioning

confidence: 99%

Effect of temperature on the development and survival of immature stages of the peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae)

Ali¹

2016

Afr. J. Agric. Res.

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The Peach fruit fly (PFF), Bac t r oc e ra z o nat a (Saunders) is known as a key pest of fruits in Egypt. The effect of temperature on the development and survival of the Peach fruit fly (PFF), B a ct ro c er a z onat a (Saunders) (Diptera: Tephritidae) from egg to adult was studied to understand the geographical pattern of occurrence of these fruit fly. Studding carried out in laboratory under four different constant temperatures: 15, 20, 25 and 30°C. Results showed that time required for development were decreased as the temperature increased from 15 to 30°C. Differences between the four tested temperatures in incubation periods were significant. Developmental time of the eggs significantly decreased over the range of 15 to 25°C but not between 25 and 30°C, Similarly, developmental time for the larva and pupa significantly decreased with increasing temperature from 15 to 30°C. The lower threshold of development (t o) for the larval and pupae stages was 13 and 10.9°C respectively. The highest pupation rate of B. zonata was 87±.48 percentage at 25°C, which was considered the optimum and favorable temperature. The results will be good tool for predicting the fly's population dynamics, which would help develop the fly management strategies.

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“…The deposited eggs were collected daily and placed into plastic trays (15 × 5 × 3 cm) half-filled with an artificial diet for hatched larvae. The larval diet consisted of wheat bran (100 g), brewer's yeast (17 g), granulated sugar (33 g), agar (3.5 g), nipagin (0.5 g), hydrochloric acid (20 ml), and water (400 ml) (Qureshi et al 1974). During the first three days of larval development, the plastic trays were covered with lids to provide sufficient humidity and then the lids were replaced by muslin fabric.…”

Section: Insectsmentioning

confidence: 99%

Effect of gamma radiation on the male sterility and other quality parameters of peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae)

Mahmoud¹,

Barta²

2011

Hort. Sci. (Prague)

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Mahmoud M.F., Barta M., 2011. Effect of gamma radiation on the male sterility and other quality parameters of peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae). Hort. Sci. (Prague), 38: 54-62.Bactrocera zonata, a serious pest of fruits in many parts of the world, has recently been recorded in Northern Africa. Even though it has not been introduced to the European continent yet, a strong emphasis is being placed on developing effective measures to suppress this pest and to prevent it from establishing in neighbouring European countries. The sterile insect technique is widely used in integrated programmes against tephritid fruit flies and, in this paper, quality parameters of irradiated B. zonata were evaluated for possible use of sterile insect technique within the management of this pest. Pupae were irradiated ( 60 Co) 48 h before adult emergence (in an air atmosphere) with doses of 10, 30, 50, 70 or 90 Gy. While adult emergence and egg hatch decreased with increasing dose, no significant differences in female fecundity were found among doses. Exposure of pupae to 90 Gy resulted in a total sterility of eggs laid by non-treated females crossed with treated males. Only insignificant difference in the radiation effect on female fecundity was found. Moderate effects on sex ratio and size were recorded, as they decreased gradually by increasing doses. No considerable effect on flying capability was observed, but generally, the percentage of fliers decreased with increasing radiation doses. Fried's competitiveness values of treated males (30 and 70 Gy) suggest that irradiated males compete successfully with non-irradiated ones.

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REARING, REPRODUCTIVE BEHAVIOUR AND GAMMA STERILIZATION OF FRUIT FLY, DACUS ZONATUS (DIPTERA: TEPHRITIDAE)

Cited by 13 publications

References 11 publications

Validation of degree‐day models for predicting the emergence of two fruit flies (Diptera: Tephritidae) in northeast Egypt

Validation of degree‐day models for predicting the emergence of two fruit flies (Diptera: Tephritidae) in northeast Egypt

Effect of temperature on the development and survival of immature stages of the peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae)

Effect of gamma radiation on the male sterility and other quality parameters of peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae)

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