Abstract
Anticarsia gemmatilis Hbn. was first reported as a pest on velvet beans in Florida in 1903. It occurred in great abundance on soybeans in Louisiana in 1929 and in less abundance in 1930. Where opportunity is offered, the species demonstrates its preference for soybeans so clearly that the more appropriate common name would be “the soybean caterpillar” instead of “velvet bean caterpillar”. Brief notes are given regarding the damage done to soybeans and also regarding some points in life history at Baton Rouge, Louisiana. Insecticidal control is recommended only where necessary to allow the maturity of a desired seed crop and has been found practically possible by dusting with sodium or barium fluosilicates. Natural enemies include numerous species of birds, insect predators and parasites and a fungus disease—Spicaria prasina (Maulb.) Saw. The occurrence of this leaf-eating caterpillar should not be considered as a serious obstacle to the further increase of soybean planting in the South.
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