
doi: 10.1653/024.100.0425
The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae), vectors the bacterium causing citrus greening disease, which has devastated citrus production worldwide wherever it has been introduced. To help monitor and target D. citri populations in commercial groves, thereby facilitating more effective management of citrus greening disease, a prototype device has been developed that mimics D. citri female vibrational communication signals, attracting males to a trap. For this report, effects of the device on male D. citri searching behavior were assessed to consider potential improvements in field applications. Forty-five percent of the males that searched towards the female signal mimic reached the source. In addition, the mean latencies before the initiation of calling and searching responses by males that reached the source were significantly lower than for those that missed, which suggests that trapping efficiency is strongly influenced by variability in male responsiveness to searching cues. Consequently, it is likely that the trapping efficiency of vibration traps could be increased further if they were modified to make use of additional cues strongly attractive to males, such as citrus flush olfactory and visual cues. ResumenEl silido asiatico de los citricos Diaphorina citri Kuwayama (Hemiptera: Liviidae) es un vector de la bacteria causante de la enfermedad del enverdecimiento de los citricos, que ha devastado la produccion de citricos en todo el mundo dondequiera que este ha sido introducido. Para ayudar a monitorear y enfocarse a las poblaciones de D. citri en los bosques comerciales, facilitando asi un manejo mas efectivo de la enfermedad del enverdecimiento de los citricos, se ha desarrollado un aparato prototipo que imita las senales vibracionales de comunicacion de las hembras de D. citri, que atraen a machos a las trampas. Para este informe, se evaluaron los efectos del aparato sobre el comportamiento de busqueda de los machos de D. citri para considerar posibles mejoras en las aplicaciones de campo. El 45% de los machos que buscaban hacia la senal que imitaba la hembra llegaron a la fuente. Ademas, el promedio de la latencia antes de la iniciacion de la llamada y las respuestas de busqueda por los machos que llegarona la fuente fueron significativamente mas bajos que para los que se fallaron, lo que sugiere que la eficiencia de captura esta fuertemente influenciada por la variabilidad en la capacidad de respuesta de los machos a buscar senales. En consecuencia, es probable que la eficacia de captura de trampas de vibracion podria aumentar aun mas si se modificaron para hacer uso de senales adicionales fuertemente atractivas para los machos, tales como senales olfativas y visuales de los brotes de nuevas hojas en citricos.View this article in BioOne
búsqueda de pareja, 590, mate seeking, 600, huanglongbing, sÃlido asiático de los cÃtrico, brote de nuevas hojas en cÃtricos, Asian citrus psyllid, multimodal orientation, orientación multimodal, citrus flush
búsqueda de pareja, 590, mate seeking, 600, huanglongbing, sÃlido asiático de los cÃtrico, brote de nuevas hojas en cÃtricos, Asian citrus psyllid, multimodal orientation, orientación multimodal, citrus flush
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