TY - JOUR
T1 - Fine-tuning the composition of the cranberry weevil (Coleoptera
T2 - Curculionidae) aggregation pheromone
AU - Rodriguez-Saona, Cesar
AU - Alborn, Hans T.
AU - Oehlschlager, Cam
AU - Calvo, Carolina
AU - Kyryczenko-Roth, Vera
AU - Tewari, Sunil
AU - Sylvia, Martha M.
AU - Averill, Anne L.
N1 - Funding Information:
We thank Kris Dahl, Sarah Ongaro and Gabrielle Pintauro for field assistance. Many thanks to the Massachusetts cranberry and New Jersey blueberry growers who provided the field sites, to three anonymous reviewers for their helpful comments on an earlier version of the manuscript and to Dr. Jordano Salamanca for help with statistics. Funding for this project was provided by the USDA Pest Management Alternatives Program (PMAP) (project no. 2012‐34381‐20108), and a Hatch project (no. NJ08192) to C.R.‐S.
PY - 2020/6/1
Y1 - 2020/6/1
N2 - The cranberry weevil Anthonomus musculus Say is a key pest of highbush blueberries (Vaccinium corymbosum L.) and cranberries (Vaccinium macrocarpon Aiton) in the northeastern United States. Previous studies have reported A. musculus adult attraction to traps baited with the aggregation pheromone of the pepper weevil Anthonomus eugenii Cano, likely because these two weevils share similar pheromone blends that differ only in two components. The A. musculus aggregation pheromone contains (Z)-2-(3,3-dimethylcyclohexylidene) ethanol (Z grandlure II), (Z)-(3,3-dimethylcyclohexylidene) acetaldehyde (grandlure III), (E)-(3,3-dimethylcyclohexylidene) acetaldehyde (grandlure IV) and (E)-3,7-dimethyl-2,6-octadien-1-ol (geraniol); whereas A. eugenii produces a pheromone blend that includes (E)-2-(3,3-dimethylcyclohexylidene) ethanol (E grandlure II) and (E)-3,7-dimethyl-2,6-octadienoic acid (geranic acid) in addition to the four A. musculus pheromone components. Here, we hypothesized that differences in pheromone composition between these two species influence A. musculus adult attraction to its aggregation pheromone. To test this, we studied the response of A. musculus to its pheromone blend with and without E grandlure II and geranic acid, a commercial A. eugenii pheromone lure and a no-lure control in highbush blueberry and cranberry fields in New Jersey and Massachusetts, respectively. Regardless of crop type, A. musculus adults were more attracted to their four-component pheromone blend and the blend plus geranic acid than the commercial A. eugenii pheromone and the no-lure controls. The A. musculus pheromone blend plus E grandlure II and the A. eugenii pheromone blend also captured more A. musculus adults than the no-lure control but not compared to the commercial A. eugenii pheromone. Further analysis showed that A. musculus adults are significantly (~27%) less attracted to their pheromone blend if it contains E grandlure II, although the addition of geranic acid did not affect their response. These findings may help guide future efforts towards the development of behaviour-based tools to monitor and manage A. musculus.
AB - The cranberry weevil Anthonomus musculus Say is a key pest of highbush blueberries (Vaccinium corymbosum L.) and cranberries (Vaccinium macrocarpon Aiton) in the northeastern United States. Previous studies have reported A. musculus adult attraction to traps baited with the aggregation pheromone of the pepper weevil Anthonomus eugenii Cano, likely because these two weevils share similar pheromone blends that differ only in two components. The A. musculus aggregation pheromone contains (Z)-2-(3,3-dimethylcyclohexylidene) ethanol (Z grandlure II), (Z)-(3,3-dimethylcyclohexylidene) acetaldehyde (grandlure III), (E)-(3,3-dimethylcyclohexylidene) acetaldehyde (grandlure IV) and (E)-3,7-dimethyl-2,6-octadien-1-ol (geraniol); whereas A. eugenii produces a pheromone blend that includes (E)-2-(3,3-dimethylcyclohexylidene) ethanol (E grandlure II) and (E)-3,7-dimethyl-2,6-octadienoic acid (geranic acid) in addition to the four A. musculus pheromone components. Here, we hypothesized that differences in pheromone composition between these two species influence A. musculus adult attraction to its aggregation pheromone. To test this, we studied the response of A. musculus to its pheromone blend with and without E grandlure II and geranic acid, a commercial A. eugenii pheromone lure and a no-lure control in highbush blueberry and cranberry fields in New Jersey and Massachusetts, respectively. Regardless of crop type, A. musculus adults were more attracted to their four-component pheromone blend and the blend plus geranic acid than the commercial A. eugenii pheromone and the no-lure controls. The A. musculus pheromone blend plus E grandlure II and the A. eugenii pheromone blend also captured more A. musculus adults than the no-lure control but not compared to the commercial A. eugenii pheromone. Further analysis showed that A. musculus adults are significantly (~27%) less attracted to their pheromone blend if it contains E grandlure II, although the addition of geranic acid did not affect their response. These findings may help guide future efforts towards the development of behaviour-based tools to monitor and manage A. musculus.
KW - aggregation
KW - blueberry blossom weevil
KW - cranberry
KW - highbush blueberry
KW - pepper weevil pheromone
KW - semiochemical
UR - http://www.scopus.com/inward/record.url?scp=85082761421&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85082761421&partnerID=8YFLogxK
U2 - 10.1111/jen.12752
DO - 10.1111/jen.12752
M3 - Article
AN - SCOPUS:85082761421
SN - 0931-2048
VL - 144
SP - 417
EP - 421
JO - Journal of Applied Entomology
JF - Journal of Applied Entomology
IS - 5
ER -