 | 1884 - 1442 trang
...terminal twig. The caterpillars on hatching c not, as Fernald observes, eat the shell. They hatch about soon after the middle of July, and it is most probable that t caterpillars become partly, perhaps almost wholly, grown befo the end of autumn, and pass the winter... | |
 | United States. Department of Agriculture - 1883 - 614 trang
...irregularly granulated. The shell is thin, and at first unusually soft. Length, OQ-la""1; breadth, 0.8-lmm. 'The patches were about 3mm in diameter, and composed...American Naturalist, describes the process of egg-laying. He has bred from the worms an ichneumon (Pimpla conquisitor), several dipterous parasites and a hairsnake.... | |
 | United States. Department of Agriculture - 1883 - 610 trang
...evidently attached by the moth to a terminal twig. The caterpillars on hatching do not, as Feruald observes, eat the shell. They hatch about or soon...there is but a single brood of caterpillars. Professor Feruald, in his article in the American iïaturalwt, describes the process of egg-laying. lie has bred... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1058 trang
...attached by the nidi li to a terminal twig. The caterpillars on hatching, as Fernald observes, do not eat the shell. They hatch about or soon after the...American Naturalist, describes the process of egg-laying. He has bred from the worms an ichneumon (Pimpla conquisitor), several dipterous parasites and a hairsnake.... | |
 | United States Entomological Commission - 1890 - 1078 trang
...attached by the moth to a terminal twig. The caterpillars on hatching, as Fernald observes, do not eat the shell. They hatch about or soon after the...American Naturalist, describes the process of egg-laying. He has bred from the worms an ichneumon (Pimpla conquisitor), several dipterous parasites and ahairsuake.... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1060 trang
...attached by the moth to a terminal twig. The caterpillars on hatching, as Fernald observes, do not eat the shell. They hatch about or soon after the...the American Naturalist, describes the process of egg laying. He has bred from the worms an ichneumon (Pimpla conquisitor), several dipterous parasites... | |
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Fernald observes, eat the shell. They hatch about or soon after the middle of July, and it is most probable that the caterpillars become partly, perhaps almost wholly, grown before the end of autumn, and pass the winter among the terminal shoots of the... 