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Journal Article

Sex pheromone perception in male pine sawflies, Neodiprion sertifer (Hymenoptera; Diprionidae)

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Hansson, B. S., Van der Pers, J. N. C., Högberg, H. E., Hedenström, E., Anderbrant, O., & Löfqvist, J. (1991). Sex pheromone perception in male pine sawflies, Neodiprion sertifer (Hymenoptera; Diprionidae). Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology, 168(5), 533-538. doi:10.1007/bf00215075.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-5E77-5
Electroantennographic and single sensillum recordings were performed on male pine sawfly, Neodiprion sertifer, antennae. Responses to the sex pheromone component (2S, 3S, 7S)- 3,7-dimethyl-2-pentadecenyl (diprionyl) acetate (SSS:OAc), to the behavioral inhibitor (2S, 3R, 7R)-diprionyl acetate (SRR:OAc), to the six other enantiomers of diprionyl acetate, and to the biosynthetic precursor diprionol were recorded. Responses to trans-perillenal, a monoterpene identified in female gland extracts and to (2S, 3S, 7S)-diprionyl propionate (SSS:OPr), a field attractant for N. sertifer and some related sawfly species were also recorded. EAG recordings demonstrated a high antennal sensitivity to SSS:OAc and to SSS:OPr. A somewhat lower response was elicited by SRR:OAc. Single sensillum recordings revealed 8-12 different cells firing in each sensillum, corresponding to the number of cells observed in earlier morphological investigations. Out of these cells all, except one, responded to SSS:OAc and to SSS:OPr. No differences in the response to the two components could be observed. The largest amplitude cell in each sensillum was specifically tuned to the behavioral antagonist, SRR:OAc. The pheromone perception system encountered in male pine sawflies thus differs clearly from that observed in moths.