A chemical investigation of a female gland-like organ of the European chafer, Rhizotrogus majalis, with GC-EAD has resulted in the identification of a few female-specific high EAD active compounds with male antennae. These chemicals did not exhibit obvious attractancy in a preliminary field trap test. However, it does not rule out other behavioral roles, such as short-range courtship. Further studies are needed to clarify their function.
Species 1: Coleoptera Scarabaeidae Rhizotrogus majalis (European chafer, white grub)
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