Abstract
A survey of the phytophagous arthropod fauna associated with sicklepod, Senna obtusifolia, was undertaken between 1991 and 1993 to find biological control agents for this increasingly serious weed in Australia and its closely related congener, Senna tora. The survey concentrated in Mexico on the Gulf coast, the Pacific coast, and the Yucatan peninsula. Additional searching was undertaken in the state of Morelos, Mexico and Honduras. Some 108 phytophagous insect species were found. Literature searches and preliminary observation indicated that 10 species were sufficiently stenophagous to warrant further consideration as potential biocontrol agents. Two species, Mitrapsylla albalineata (Homoptera: Psyllidae) and Conotrachelus sp. ‘Morelos’ (Coleoptera: Curculionidae), have been brought to Australia for further study.
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