| Commissioner of Agriculture - 1869 - 728 páginas
...logs, where they appear to be sunning themselves during the hotter seasons of the year; when disturbed they fold up their legs and antennae, and fall to the ground. The female has a retractile, horny plate at the end of the abdomen, which she uses for the purpose of depositing... | |
| Washington Government Pritning Office - 1869 - 722 páginas
...logs, where they appear to be sunning themselves during the hotter seasons of the year; when disturbed they fold up their legs and antennae, and fall to the ground. The female has a retractile, horny plate at the end of the abdomen, which she uses for the purpose of depositing... | |
| 1881 - 284 páginas
...are deposited in fissnres or cracks by means of the extensile end of the body. As Westwood states, " The abdomen appears to be composed of only five segments. The remainder are, however, internal, and constitnte in the female a retractile, corncons conical plate, employed for depositing the eggs in... | |
| United States Entomological Commission, Alpheus Spring Packard - 1890 - 1060 páginas
...are deposited in fissures or cracks by means of the extensile end of the body. As Westwood states, "The abdomen appears to be composed of only five segments;...in the chinks of the bark of trees within which the larvse feed." Perris, however, says that " the eggs are deposited in the interior of the bark, the... | |
| United States Entomological Commission, Alpheus Spring Packard - 1890 - 1058 páginas
...are deposited in fissures or cracks by means of the extensile end of the body. As Westwood states, "The abdomen appears to be composed of only five segments;...retractile, corneous, conical plate, employed for depositing theeggs in the chinks of the bark of trees within which the larvae feed." Ferris, however, says that... | |
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