Because of the rapid spread of the alfalfa weevil, Hypera postica (Gyllenhall)—it is now known to be present in 40 States (USDA 1965)–there has been a marked increase over the past few years in the amount of both field and laboratory research being done in connection witli this insect. Because adult weevils can be easily collected in the field only in late spring and in the fall, the availability of a ready supply of these insects in the laboratory is the 1st concern of most researchers engaged in this area of investigation.
Document Type: Research Article
Publication date: December 1, 1965
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