. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . Apanteles species.—Little mass of cocoons on leaf, replacing an infested larva; a single cocoon below, from which adult has issued ; much enlarged. development and kill the caterpillar before it is much more than half-grown. Many of these cocoon-forming species belong to the genus Microgaster, and they are typical of a very large series in the family. The plant-lice-infesting forms frequently belong to the genus Aphidius. As in the previous family, many of these
. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . Apanteles species.—Little mass of cocoons on leaf, replacing an infested larva; a single cocoon below, from which adult has issued ; much enlarged. development and kill the caterpillar before it is much more than half-grown. Many of these cocoon-forming species belong to the genus Microgaster, and they are typical of a very large series in the family. The plant-lice-infesting forms frequently belong to the genus Aphidius. As in the previous family, many of these insects have an external ovipositor. While the preceding series of parasites contain a very fair pro- portion of large species, the next family, Chalcidida:, contains
Size: 1946px × 2567px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphila, bookyear1896
