. Control of household insects and related pests. Household pests; Insect pests. Mud Dauber Wasp. Body size Yellow Jacket, Vespula pennsylvanica (Saussure) or thread-waisted wasps such as Sphex and Pelopaeus species. Apart from what annoyance they cause and what fruit they may eat, yellow jackets are beneficial because they de- stroy enormous numbers of insects. They construct large paper nests from fibers; some yellow jackets build nests above the ground, others construct them in the soil. Control measures described below vary according to the location of the nest. Yellow jacket nests are sta
. Control of household insects and related pests. Household pests; Insect pests. Mud Dauber Wasp. Body size Yellow Jacket, Vespula pennsylvanica (Saussure) or thread-waisted wasps such as Sphex and Pelopaeus species. Apart from what annoyance they cause and what fruit they may eat, yellow jackets are beneficial because they de- stroy enormous numbers of insects. They construct large paper nests from fibers; some yellow jackets build nests above the ground, others construct them in the soil. Control measures described below vary according to the location of the nest. Yellow jacket nests are started in the spring by the queen which is the only individual to survive the winter; workers take over the building and feeding duties and the nest rapidly increases in size. After new queens and males are produced and leave the nest, in the summer and fall, the old queen dies and the nest de- clines. Workers left in nests built above 38. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Michelbacher, A. E. (Abe Ezra), 1899-1991. [Berkeley, Calif. ] : Division of Agricultural Sciences, University of California
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Keywords: ., bookcentury1900, booksubjecthouseholdpes, booksubjectinsectpests
