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The present study was conducted to determine the effect of different light wavelengths and light intensity on fecundity and developmental parameters of Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae). Three photoperiod regimes were applied with five different light wavelengths (red, yellowish, bluish, green and white) under controlled temperature conditions 26 ± 2oC and 65 ± 5% RH. C. carnea females responded green light (495–570 nm) for egg laying and laid the highest 18.33 ± 0.33, 15.67 ± 1.45 and 12.33± 0.88 eggs in varying photoperiod regimes in order of Green > Red > White > Blue > Yellow. Light intensity also affected the fecundity and developmental parameters of C. carnea. The shortest developmental time and fecundity was recorded in 6384 W.m -2 . Through the combination of a-biotic factors like photoperiod, light wavelength and light intensity can help with improved mass production technology at an appropriate cost of C. carnea for farmers and commercial insectaries around the world.
Amjad Sultan, M. Farhanullah Khan, M. Faheem Akbar, Shagufta Siddique, Asad Manzoor. (2019) A MASS REARING STRATEGY OF CHRYSOPERLA CARNEA STEPHENS (NEUROPTERA: CHRYSOPIDAE) UNDER VARIABLE LIGHT WAVELENGTH AND LIGHT INTENSITY, , Volume 16, Issue 4.
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