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Poster

Plant-Insect Ecosystems

P-IE: Biocontrol

D3440: Life history traits of the Chrysoperla carnea (Neuroptera: Chrysopidae) feeding on canola aphids

Wednesday, November 8, 2023
9:00 AM – 2:00 PM ET
Location: Prince George's Exhibit Hall BCD
In-Person Poster
Life history was studied for Chrysoperla carnea when fed on canola aphids, Brevicoryne brassicae (L.), Lipaphis erysimi (Kaltenbach) and Myzus persicae (Sulzer). The experiment was performed under laboratory conditions at 25± 1oC and 65 ± 1% RH. The immature development duration was shortest on M. persicae (17.3 days). While, C. carnea completed its immature developmental period in 21.1 days, which was the longest among other, tested aphids. Similarly, survival of C. carnea was higher on feeding M. persicae and lowest on L. erysimi. Female egg laying of predators was also higher on M. persicae. These results show that M. persicae favors the quick development and higher reproduction of C. carnea as compared to B. breassicae and L. erysimi. Calculation of life table parameters also supported M. persicae as a suitable host for C. carnea. This information is useful in relation to mass rearing of C. carnea and biological control of canola aphids by using C. carnea.