Interference with the behaviors associated to host plant recognition, and inter- and intra-specific communication of insect vectors of plant pathogens, could represent a sustainable strategy for reducing or disrupting pathogen transmission Here, we show that the transmission over a suitable host plant (sunflower) of a vibrational stimulus significantly affects the probing and feeding behavior of the spittlebug Philaenus spumarius (Hemiptera: Aphrophoridae), the main European vector of the fastidious bacterium Xylella fastidiosa. Specifically, ca. 30% of the individuals did not even attempt to probe the sunflower plants to which the stimulus was transmitted, while the remaining showed a sex-independent reduction in ingestion of the xylem sap, i.e., P. spumarius’ main food source, of ca. 67% compared to the control. Even so, the stimulus did not affect the feeding behavior when transmitted to olive plants. The possible reflection of a signal-based vector behavior disturbance on the epidemiology of X. fastidiosa, together with future research needs are discussed

Avosani, S.; Berardo, A.; Pugno, N.M.; Verrastro, V.; Mazzoni, V.; Cornara, D. (2021). Vibrational disruption of feeding behaviors of a vector of plant pathogen. ENTOMOLOGIA GENERALIS, 41 (5): 481-495. doi: 10.1127/entomologia/2021/1327 handle: http://hdl.handle.net/10449/69709

Vibrational disruption of feeding behaviors of a vector of plant pathogen

Avosani, S.
Primo
;
Berardo, A.;Mazzoni, V.;
2021-01-01

Abstract

Interference with the behaviors associated to host plant recognition, and inter- and intra-specific communication of insect vectors of plant pathogens, could represent a sustainable strategy for reducing or disrupting pathogen transmission Here, we show that the transmission over a suitable host plant (sunflower) of a vibrational stimulus significantly affects the probing and feeding behavior of the spittlebug Philaenus spumarius (Hemiptera: Aphrophoridae), the main European vector of the fastidious bacterium Xylella fastidiosa. Specifically, ca. 30% of the individuals did not even attempt to probe the sunflower plants to which the stimulus was transmitted, while the remaining showed a sex-independent reduction in ingestion of the xylem sap, i.e., P. spumarius’ main food source, of ca. 67% compared to the control. Even so, the stimulus did not affect the feeding behavior when transmitted to olive plants. The possible reflection of a signal-based vector behavior disturbance on the epidemiology of X. fastidiosa, together with future research needs are discussed
Philaenus spumarius
Aphrophoridae
Biotremology
Electrical Penetration Graph (EPG)
Behavioral disruption
Settore AGR/11 - ENTOMOLOGIA GENERALE E APPLICATA
2021
Avosani, S.; Berardo, A.; Pugno, N.M.; Verrastro, V.; Mazzoni, V.; Cornara, D. (2021). Vibrational disruption of feeding behaviors of a vector of plant pathogen. ENTOMOLOGIA GENERALIS, 41 (5): 481-495. doi: 10.1127/entomologia/2021/1327 handle: http://hdl.handle.net/10449/69709
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