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- Title
A novel prospect for an oviposition attraction of Chrysoperla carnea (Steph.) (Neuroptera: Chrysopidae) for its population upsurge.
- Authors
Sohail, Mubasshir; Ali, Shah Rukh; Muhammad, Raza; Bukero, Muhammad Aslam; Khalid, Noman; Soomro, Qadeer Ahmed
- Abstract
Background: Attraction and oviposition preference of the green lacewing, Chrysoperla carnea (Steph.) (Neuroptera: Chrysopidae), in response to prey availability in an ovipositional site was studied. The study aimed to investigate whether an adult attraction of C. carnea to oviposition on the substrate was affected by aphid juice (AJ) of fresh brassica aphid, Brevicoryne brassica. Result: In laboratory bioassay, the number of eggs laid by female was significantly higher on AJ-treated area of substrate than control, indicating that oviposition was influenced by the AJ application. Attraction period of AJ lasted for 4 days. In Y-maze olfactometer studies, video tracking software ANY-maze® indicated that C. carnea spent significant more time in the novel arm provided with AJ, showing an attraction. In the greenhouse study, AJ spray attracted a significantly higher number of male and female and considerably increased the number of eggs laid on brassica plant. Conclusion: Fresh AJ may be a potential attractant for raising population of this predatory species at a particular location without being involved in rearing and augmentation process. This finding is of special interest and may be of benefit in biological control. As it is likely that the AJ spray could be used to enhance C. carnea population attraction to the desire field.
- Subjects
CHRYSOPERLA carnea; OVIPARITY; CHRYSOPIDAE; PREY availability; NEUROPTERA; BRASSICA; APHIDS
- Publication
Egyptian Journal of Biological Pest Control, 2022, Vol 32, Issue 1, p1
- ISSN
1110-1768
- Publication type
Article
- DOI
10.1186/s41938-022-00557-z