March 2010. A plant from the highlands of Papua New Guinea said to be planted around plots of sweetpotato during dry times to keep away sweetpotato weevils.

Sugestions were Tagetes or Zinnia linearis.

See: http://www.hear.org/starr/plants/images/search/?q=tagetes,

but also, and more likely:

http://www.armitageimages.net/index.cfm?fuseaction=stock.detail&itemID=12728

Original:

http://tech.groups.yahoo.com/group/pestnet/message/6929

http://tech.groups.yahoo.com/group/pestnet/message/6930

http://tech.groups.yahoo.com/group/pestnet/message/6931

http://tech.groups.yahoo.com/group/pestnet/message/6933

http://tech.groups.yahoo.com/group/pestnet/message/6979