Determination of optimum temperature and photoperiod for mass production of Oxya hyla hyla (Serville)

Das, Mousumi; Ganguly, Arijit; Haldar, P.

doi:10.3906/zoo-1102-13

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…There were six treatments of temperature regimes on two cricket species. For this experiment, relative humidity, light intensity, and photoperiod were set at 60-90 %, 500 ± 25 Lux, and 12:12, respectively (Das et al, 2012).…”

Section: Experimental Designmentioning

confidence: 99%

“…The time to complete each life stage (egg, nymph, and adult) of the crickets was determined. The newly enclosed nymphs were marked with a finetipped brush with a small dot of ink in the protonum using non-toxic permanent ink pens (EDDING 751 band) due to its excellent adhesion, quick drying, and good visibility to estimate cricket longevity (Das et al, 2012). Different colours were used for each day of emergence (Infante, 2000;Bowling, 1955).…”

Section: Development Time and Longevitymentioning

confidence: 99%

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Effects of Temperature on the Development and Survival of Cricket Species; Acheta domesticus and Gryllus bimaculatus (Orthoptera: Gryllidae)

Odhiambo

Ochia

Okuto

2022

East Afr. j. agric. biotechnol.

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Temperature plays an important role in the development and survival of insects. The effects of temperature on the development of two cricket species, Acheta domesticus and Gryllus bimaculatus were determined at six constant temperatures (18, 22, 26, 30, 34 and 380C). Parameters for stage-specific development such as fecundity, weight and fat content, structural body size, sex ratio, development time, and longevity were investigated. Relative humidity, light intensity, and photoperiod were set at 60-90 %, 500 ± 25 Lux, and 12:12 L:D, respectively. The results indicated that the duration of eggs and nymphal stages were significantly influenced by increased temperature. The egg-to-adult developmental period of Acheta domesticus declined from 200.5 days to 66.26 days as the temperature increased from 180C to 30 °C while that for Gryllus bimaculatus decreased from 231.82 to 62.22 days as the temperature increased from 18 to 34°C. The optimum temperature estimated for egg-to-adult ranged from 26˚C to 34˚C. Longevity of both females and males was significantly higher (female: F5, 401 = 7.5, P < 0.001; male: F5, 401 = 6.4, P < 0.001) at 18oC than at other temperatures, with the shortest recorded for Acheta domesticus (female: 20.19 days; male: 26.67 days) and Gryllus bimaculatus (Females: 25.56 days; Males: 27.49 days) at 38oC. Fecundity was highest at 26°C (1360 eggs/female/generation) and lowest at 18°C (101 eggs/female/generation) for Acheta domesticus. For Gryllus bimaculatus, the highest fecundity was recorded at 30°C (1722 eggs/female/generation) and the lowest at 18°C (123 eggs/female/generation). The optimal developmental temperature for crickets was determined to range from 26°C to 34°C. Understanding the impacts of temperature on the development of crickets would provide information on how climate change shapes insect ecologies and enable the development of forecasting models.

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Section: Experimental Designmentioning

confidence: 99%

Section: Development Time and Longevitymentioning

confidence: 99%

Effects of Temperature on the Development and Survival of Cricket Species; Acheta domesticus and Gryllus bimaculatus (Orthoptera: Gryllidae)

Odhiambo

Ochia

Okuto

2022

East Afr. j. agric. biotechnol.

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Suitable food plants for mass rearing of the short-horn grasshopper Oxya hyla hyla (Orthoptera: Acrididae)

Ghosh¹,

Haldar²,

Mandal³

2014

Eur. J. Entomol.

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Abstract. Acridids could be an alternative source of protein for feeding to livestock as large numbers can be produced by rearing them on suitable food plants under optimum environmental conditions. The aim of the present study was to find a suitable food plant for the mass culture of the short-horn grasshopper Oxya hyla hyla (Serville). Food consumption and utilization, growth (growth rate, average daily growth, specific growth rate and wet weight gain), survival and life span of this insect reared on Sorghum halepense, Cyanodon dactylon and a mixture of these two plants were determined. The result revealed that the food utilization, growth and survival of this grasshopper depended on the food plant. The nymphs that were reared on C. dactylon consumed less food but had a greater efficiency of conversion of ingested food to body mass, growth performance and survival than those feed on the other two types of food. In contrast, the food consumption and utilization, growth and weight gain of adult grasshoppers was greatest when they were reared on S. halepense. These results indicate that of the plants used in this study C. dactylon is the best for rearing the nymphs and S. halepense for rearing the adults of Oxya hyla hyla.

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Optimizing Photoperiod, Exposure Time, and Host-to-Parasitoid Ratio for Mass-Rearing of Telenomus remus, an Egg Parasitoid of Spodoptera frugiperda, on Spodoptera litura Eggs

Chen

Weng

Nie

et al. 2021

Insects

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Telenomus remus (Nixon) is a dominant egg parasitoid of the destructive agricultural pest Spodoptera frugiperda (J. E. Smith), and so is used in augmentative biocontrol programs in several countries. An optimized mass-rearing system is essential to produce biological control products in a timely and cost-effective manner. In this study, the photoperiod, host egg:parasitoid ratio, and exposure time were evaluated to identify the optimal rearing conditions for T. remus on the alternative host Spodoptera litura (Fabricius) eggs. Results showed that increasing photoperiod above 12L:12D remarkably improved parasitoid progeny yield and life table parameters. Overlong photoperiods shortened female longevity, but within acceptable limits. There was a significant negative correlation between parasitism rate and host egg:parasitoid ratio under exposure times of 12 and 36 h, but not 24 h. Percentage of female progeny increased significantly along with increasing the host egg:parasitoid ratio. A significant negative relationship between the number of emerged adults per egg and the host egg:parasitoid ratio was observed at an exposure time of 36 h. It was concluded that T. remus may be mass-reared most efficiently on S. litura eggs using a photoperiod of more than 12L:12D, a 14–20:1 host egg:parasitoid ratio, and an exposure time of 24 h. These findings can be used to produce T. remus more efficiently and at lower costs.

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Determination of optimum temperature and photoperiod for mass production of Oxya hyla hyla (Serville)

Cited by 3 publications

References 14 publications

Effects of Temperature on the Development and Survival of Cricket Species; Acheta domesticus and Gryllus bimaculatus (Orthoptera: Gryllidae)

Effects of Temperature on the Development and Survival of Cricket Species; Acheta domesticus and Gryllus bimaculatus (Orthoptera: Gryllidae)

Suitable food plants for mass rearing of the short-horn grasshopper Oxya hyla hyla (Orthoptera: Acrididae)

Optimizing Photoperiod, Exposure Time, and Host-to-Parasitoid Ratio for Mass-Rearing of Telenomus remus, an Egg Parasitoid of Spodoptera frugiperda, on Spodoptera litura Eggs

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