TY  - SER
AU  - Ali,Abd El-Wahab M.
AU  - Nasser,Mohamed A.
AU  - Gameel,Salah M.M.
AU  - El-Hariry,Magdi A.
TI  - Rate of development and reproductive potential of the black melon bug, Coridius (Aspongopvs) vidua tvs f. (Hemiptera: Pentatomidae) in relation to constant temperatures
KW  - Melons
KW  - Diseases and pests
KW  - Hemiptera
KW  - Stinkbugs
N1  - Includes references
N2  - The effects of constant temperatures of 24. 28 and 32°C on tlle rate of development and survival of different stages of the black melon bug (BMB). C. viduatus as well as on the reproductive potential of the adult were studied. The data indicate that the longest time required for the insect to complete its life cycle (81.59 days) was recorded at 24°C. whereas the soonest period (34.45 days) was recorded at 32°e. The morality rates were 57.31%. 64.67% and 70.14% at 24. 28 and 32°C, respectively. The calculated developmental threshold from egg to adult emergence of the pest was abomI8.15°e. By using this value as a base temperature, an average of about 439.03 day-degrees was calculated for the pest to complete its life cycle. The oviposition period was 121.7, 118.7 and 73.50 days at 24. 28 and 32°C. respectively. The highest number of eggs (462.05 eggs/female) was obtained at 28°C, the lowest number (23.10 eggs/female) was recorded at 24°e. The duration of one generation (GT) of the pest lasted about 206.96. 129.02 and 87.54 days; the population of the pest had the capacity to double (DT) every 105.02.23.18 and 14.87 days; the reproductive rates (Ra) were about 3.97, 47.95 and 59.59 times witten a single generation; the values of the intrinsic rate of increase (rm) were 0.0066, 0.0299 and 0.0466. and the population of the pest had a capacity to multiply (A) about 1.0066. 1.0304 and 1.0478 times per female per day at 24. 28 and 32°e. respectively. The calculated biological parameters indicated t1Iat temperatures of 32°C seem to be the most favorable themal zone for the development and reproduction of this pest
UR  - http://nile.enal.sci.eg/EALE/2007/ICEE/Conf/107/445.pdf
ER  -