Goldspotted Oak Bowlers (GSOB), an invasive beetle responsible for the mortality of widespread oak trees in Southern California, was the region’s first “GSOB Blitz.” Hosted by UC Agriculture and Natural Resources with support from Calfire and other partners, the event mobilized about 200 volunteers in five counties to search for signs of invasion, including D-shaped exit holes in the bark. Participants included representatives of various public institutions, students, arborists, retirees and amateur entomologists who use specialized apps to collect valuable field data, contribute to the latest beetle range maps and guide future management efforts.
Training and practical fieldwork were key elements of the electric shock. Volunteers were taught how to recognize signs of invasion and practice data collection techniques in natural areas such as San Dimas Canyon Park. Some groups confirmed intrusions that provide important data and awareness, but no evidence of validated GSOBs was found, as in the Los Angeles County team. Nevertheless, all participants remained empowered to monitor their neighbours’ orcs and defend the fire transport, the main vector of the beetle spread.
Blitz sparked enthusiasm among both organizers and community members, showing strong public interest in preserving native oak forests. Organizers will hold future blitz to encourage results in high demand. Volunteers like Ismael Cervantes and Nathaniel Carbajal expressed deep personal motivations, ranging from their love for bugs to their desire for urban forestry.
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