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Biology of the coconut bug, Pseudotheraptus wayi, on French beans.

Egonyu JP, Ekesi S, Kabaru J, Irungu L - J. Insect Sci. (2014)

Bottom Line: Development and survival of immatures on French beans was comparable to what is reported with two hosts previously used for rearing this species, namely coconut and cashew.Adults survived thrice longer and laid almost twice more eggs on the French beans than was reported for the two hosts above.These findings suggest that French beans are more suitable for mass rearing of this species than coconut and cashew, which have been used previously but can be scarce and too costly.

View Article: PubMed Central - PubMed

Affiliation: International Centre of Insect Physiology and Ecology-African Insect Science for Food and Health, P.O. Box 30772, 00100 Nairobi, Kenya School of Biological Sciences, University of Nairobi, P.O. Box 30197, 00100 Nairobi, Kenya egjp29@yahoo.co.uk.

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Age-specific oviposition rate of Pseudotheraptus wayi on French beans at 24.6 ± 1°C and 80 ± 1.3% RH. High quality figures are available online.
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f02_01: Age-specific oviposition rate of Pseudotheraptus wayi on French beans at 24.6 ± 1°C and 80 ± 1.3% RH. High quality figures are available online.

Mentions: Table 1 shows the durations of various life stages and percentages of immatures surviving to subsequent stages. Total developmental duration (egg to adult emergence) was approximately 43 days. Sex ratio was 0.44. Fifty percent of females lived up to the age of 154 days, while the median adult survival age for males was 183 days. Mean fecundity was 171 ± 39.2 (ranging from 2–339) eggs per female. Daily egg production ranged from 0–14 eggs per female per day. Figure 2 shows mean daily egg production, with a polynomial rela tionship between number of eggs per female per day and age.


Biology of the coconut bug, Pseudotheraptus wayi, on French beans.

Egonyu JP, Ekesi S, Kabaru J, Irungu L - J. Insect Sci. (2014)

Age-specific oviposition rate of Pseudotheraptus wayi on French beans at 24.6 ± 1°C and 80 ± 1.3% RH. High quality figures are available online.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4206236&req=5

f02_01: Age-specific oviposition rate of Pseudotheraptus wayi on French beans at 24.6 ± 1°C and 80 ± 1.3% RH. High quality figures are available online.
Mentions: Table 1 shows the durations of various life stages and percentages of immatures surviving to subsequent stages. Total developmental duration (egg to adult emergence) was approximately 43 days. Sex ratio was 0.44. Fifty percent of females lived up to the age of 154 days, while the median adult survival age for males was 183 days. Mean fecundity was 171 ± 39.2 (ranging from 2–339) eggs per female. Daily egg production ranged from 0–14 eggs per female per day. Figure 2 shows mean daily egg production, with a polynomial rela tionship between number of eggs per female per day and age.

Bottom Line: Development and survival of immatures on French beans was comparable to what is reported with two hosts previously used for rearing this species, namely coconut and cashew.Adults survived thrice longer and laid almost twice more eggs on the French beans than was reported for the two hosts above.These findings suggest that French beans are more suitable for mass rearing of this species than coconut and cashew, which have been used previously but can be scarce and too costly.

View Article: PubMed Central - PubMed

Affiliation: International Centre of Insect Physiology and Ecology-African Insect Science for Food and Health, P.O. Box 30772, 00100 Nairobi, Kenya School of Biological Sciences, University of Nairobi, P.O. Box 30197, 00100 Nairobi, Kenya egjp29@yahoo.co.uk.

Show MeSH
Related in: MedlinePlus