About the year 1890 the plant Cordia macrostachya (Jacq.) Roem. and Schult. was accidentally introduced into Mauritius with a consignment of sugarcanes from the West Indies. Later Cordia was spread artificially around the island in an effort to encourage the increase of Tiphia parallela Smith. This parasite was introduced into Mauritius as a possible control agent for the sugarcane root-grub, Clemora smithii (Arrow), and it was found that adult Scoliids fed at the inflorescences of Cordia. (Box 1928). Since that time Cordia has spread considerably and has become a serious pest in Mauritius (for details see Wiehe 1946).
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F. J. Simmonds (1949) studied this question.
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