Document Type

Book Review


Excerpt: The technique of "trap-nesting" for wasps and bees by putting out strips of wood having a hole bored in one end is not exactly new, but only within the last 15 years has it been widely employed in this country. This new book by Karl V. Krombein, chairman of the Department of Entomology at the U.S. National Museum, reveals how enormously productive the technique can be. It is, of course, useful only for species that normally nest in hollow twigs. Species that bore in pith (such as many crabronine wasps) do not usually accept the traps , nor do groundnesters (which make up the majority of wasps and bees).

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