FACTORS AFFECTING CAPTURE OF MALE RED PINE CONE BEETLES, CONOPHTHORUS RESINOSAE HOPKINS (COLEOPTERA: SCOLYTIDAE), IN PHEROMONE TRAPS
- 1 December 1995
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 127 (6) , 851-858
- https://doi.org/10.4039/ent127851-6
Abstract
The monoterpenes (±)-α-pinene, (1S)-(−)-β-pinene, (R)-(+)-limonene, and myrcene did not enhance the catch of red pine cone beetle, Conophthorus resinosae, in traps baited with the female sex pheromone, (±)-trans-pityol. Traps placed in the upper half of the tree’s crown caught significantly more beetles than those hung from the tree’s trunk 2 m above ground. No significant differences in trap catches were found among standard yellow Japanese beetle trap tops and those painted red, green, blue, white, black, or yellow. La présence des monoterpènes (±)-α-pinène, (1S)-(−)-β-pinène, (R)-(+)-limonène et myrcène n’augmente pas le nombre de captures de mâles du Scolyte des cônes du pin rouge, Conophthorus resinosae, dans les pièges garnis de phéromone sexuelle de la femelle, le (±)-trans-pityol. Les pièges placés dans la moitié supérieure de la cime de l’arbre capturent significativement plus d’insectes que les pièges suspendus au tronc à 2 m au-dessus du sol. Les pièges à dessus jaune (dessus standards des pièges à Scarabées japonais) et ceux à dessus peint en rouge, vert, bleu, blanc, noir ou jaune ont donné les mêmes résultats. [Traduit par la Rédaction]Keywords
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