EPPO Global Database

Diabrotica undecimpunctata howardi(DIABUH)

Distribution details in Guam

Current pest situation evaluated by EPPO on the basis of information dated 2021: Absent, unreliable record
First recorded in: 2013
A single specimen identified as Diabrotica undecimpunctata (no further details) was collected in June 2013 from lettuce growing at a farm in Mangilao. From the picture provided in the paper (dorsal view only), it is not possible to identify the subspecies.
Guam New Invasive Species Alert no. 2014-02. Spotted cucumber beetle (Southern corn rootworm) Diabrotica undecimpunctata (Coleoptera: Chrysomelidae) by A Moore & J Bamba, University of Guam (dated 2014-01-17). http://guaminsects.net/anr/sites/default/files/spotted%20cucumber%20beetle.pdf

* Personal communication with Philippe Raynaud (ANSES, FR, 2021-05).