Manual of Entomology : With Special Reference to Economic Entomology
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This is often pro- vided with hooks which secure the pupa in the cocoon, or to a pad of silk placed on the foodplant.
The imagines of Lepidoptera, like the larvae, are very uniform in structure. The most noticeable features of the head are the large compound eyes, the antennae, and the labial palps, which latter conceal the coiled-up proboscis, The antennae are very prominent, except in the Hepialidce, and in some cases are of very complex structure. They frequently differ in the sexes. The mos...t important features of the mouth-parts are the maxillae, forming a tubular proboscis, and the labial palps, which protect the proboscis when it is not in use. The proboscis, especially in the Sphingidcv, is P 1.
Fig. 97.— Head of Butterfly.
maxillary antenna, palp.
e = eye. mp -- p = probo.scis.
LEPIDOPTERA 325 often very large, in some cases attaining a length of ten inches.
The other mouth-parts are absent or very small, and are unimportant. In the thorax, the mesothorax is the most important division, the pro- and meta-thoraces being much reduced.
What to read after Manual of Entomology : With Special Reference to Economic Entomology?
You can find similar books in the "Read Also" column, or choose other free books by H Harold Maxwell Lefroy to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
This is often pro- vided with hooks which secure the pupa in the cocoon, or to a pad of silk placed on the foodplant.
The imagines of Lepidoptera, like the larvae, are very uniform in structure. The most noticeable features of the head are the large compound eyes, the antennae, and the labial palps, which latter conceal the coiled-up proboscis, The antennae are very prominent, except in the Hepialidce, and in some cases are of very complex structure. They frequently differ in the sexes. The mos...t important features of the mouth-parts are the maxillae, forming a tubular proboscis, and the labial palps, which protect the proboscis when it is not in use. The proboscis, especially in the Sphingidcv, is P 1.
Fig. 97.— Head of Butterfly.
maxillary antenna, palp.
e = eye. mp -- p = probo.scis.
LEPIDOPTERA 325 often very large, in some cases attaining a length of ten inches.
The other mouth-parts are absent or very small, and are unimportant. In the thorax, the mesothorax is the most important division, the pro- and meta-thoraces being much reduced.
What to read after Manual of Entomology : With Special Reference to Economic Entomology?
You can find similar books in the "Read Also" column, or choose other free books by H Harold Maxwell Lefroy to read onlineMoreLess
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