39. Effects of different thermal stress on life cycle of Chrysoperla carnea (Neuroptera: Chrysopidae) under laboratory condition Quetta Balochistan

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Muhammad Sharif, Arif Ali2, Bhai Khan Solangi, Muhammad Aamir Tariq, Fahim Ahmed, Rahim Shah Muhammad Jaffar Khan Bazai, Abdul Waheed Khan, Faheem Shahzad, Muhammad Amin, Mitha Khan


The Chrysoperla carnea (Stephens) often recognized as an aphid lion which is a member of the Chrysopidae family of the Neuroptera order. It can be found in almost every habitat on the planet. An experiment was carried out in the laboratory to examine the biological and reproduction of the green lacewing under the optimal temperature regimes. The results revealed that a highest hatching % of C. carnea eggs (98.2 ± 0.9) was found on 290C and lowest mean hatching % of eggs was observed in 310C (84.89 ± 1.22). A minimum larval developmental day of Chrysoperla carnea (8.6 ± 0.01) was recorded at 310C, while maximum larval developmental days C. carnea (18.00 ± 1.01) was recorded at 190C. Similarly, a maximum larval motality % was observed (35.25± 1.00) at 19C and minimum larval mortality % (27.00± 2.04) was found on 270C. The lowest adult emergence % of Chrysoperla carnea pupae (74.00 ± 1.09) was noticed on 190C and highest adult emergence % of Chrysoperla carnea pupae (88.00 ± 0.6) was observed in 270C. The maximum pupation time of Chrysoperla carnea was observed in 190C (11.10 ± 0.34 days) and the minimum pupation time of Chrysoperla carnea was noticed on 310C (5.00 ± 0.88). The maximum adults fecundity of Chrysoperla carnea was observed on 270C (634.00 ± 0.88), and minimum fecundity of Chrysoperla carnea (393.33 ± 0.55) was found on 190C.

Keywords: Effects; Different Thermal Stress; Life Cycyle; Green Lacewin


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