The Olfactory Behavioral Response of Bactrocera dorsalis Females to Fermented Solution of Their Gut Endosymbionts

doi:10.16409/j.cnki.2095-039x.2019.04.007

Abstract

Abstract: The biocontrol potential value of gut bacteria provides a new insight for the control of Bactrocera dorsalis (Hendel). In this study, Y-tube olfactometer was used to investigate the effects of the fermented solution and autoclaved supernatant of gut endosymbionts on the olfactory responses of their host, female B. dorsalis, within 10, 20 and 30 mins. The results showed that the fermented solution of Enterobacter cloacae (F8), Enterobacter sp. (F13), Klebsiella aerogenes (F26), and E. hormaechei (F67), and the autoclaved supernatant of E. cloacae (F8), K. pneumonia (F10), Pseudocitrobacter anthropi (F16), Enterococcus faecalis (F18), Atlantibacter hermannii (F31), Bacillus cereus (F45), Pseudomonas aeruginosa (F50), and E. cloacae (F59) exhibited significant attraction to B. dorsalis females. Greater repellent effect was observed in the fermented solution of P. anthropi (F16). Furthermore, B. dorsalis showed varied responding time to different bacteria species. The olfactory responses of female B. dorsalis to their intestinal tract bacteria identified in the paper will provide the theoretical basis for exploiting new attractive lure or repellent against female B. dorsalis.

Key words: Bactrocera dorsalis, female, gut bacteria, olfactory behavioral response

CLC Number:

S436.6

LIN Jia, CAI Pumo, ZHANG Hehe, SONG Xuesen, ZHANG Qiwen, YI Chuandong, AO Guofu, YANG Jianquan, JI Qing'e. The Olfactory Behavioral Response of Bactrocera dorsalis Females to Fermented Solution of Their Gut Endosymbionts[J]. Chinese Journal Of Biological Control, 2019, 35(6): 891-899.

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