Ovipositional responses of tortricid moths to sugars, salts and neem oil.

ABSTRACT: Oviposition is essential in the life history of insects and is mainly mediated by chemical and tactile cues present on the plant surface. Oviposition deterrents or stimulants can modify insect oviposition and be employed in pest control. Relatively few gustatory oviposition stimuli have been described for tortricid moths. In this study the effect of NaCl, KCl, sucrose, fructose and neem oil on the number of eggs laid by Cydia pomonella (L.), Grapholita molesta (Busck) and Lobesia botrana (Dennis & Schifermüller) was tested in laboratory arenas containing filter papers loaded with 3 doses of a given stimulus and solvent control. In general, salts increased oviposition at the mid dose (10² M) and sugars reduced it at the highest dose (10³ mM), but these effects depended

SUBMITTER: Amat C 

PROVIDER: S-EPMC10799066 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature