New synthetic sex attractants for the males of two endemic Iberian Procridinae species (Lepidoptera: Zygaenidae)
DOI:
https://doi.org/10.57065/shilap.771Abstract
Sex attractants for Rhagades (Wiegelia) predotae (Naufock, 1930) and Adscita (Tarmannita) bolivari (Agenjo, 1937), two endemic Iberian Procridinae species (Lepidoptera: Zygaenidae), are reported for the first time. During fieldwork in Spain in 2017 and 2018, the males of Rh. predotae and Rh. (Rhagades) pruni ([Denis & Schiffermüller], 1775) were attracted to the lures with the substance “EFETOV-S-S-2” (S-enantiomer of 2-butyl 2- dodecenoate), while the males of A. bolivari reacted to “EFETOV-2” (a racemic mixture of R- and S-enantiomers). This result (together with our previous data) shows that (2S)-butyl 2-dodecenoate is likely to be a “generic” sex attractant for the males of the genus Rhagades Wallengren, 1863. We demonstrate that attractive lures may be a sensitive and efficient tool for monitoring the two rare Spanish species, viz. Rh. predotae and Rh. pruni.
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Copyright (c) 2023 K. A. Efetov, E. E. Kucherenko, G. M. Tarmann
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