But in most members of the family, the secretion, united with cast cuticles and excrement, forms a firm " scale," closely attached by its edges to the surface of the plant on which the insect lives, and serving as a shield beneath which the female coccid, with her eggs (fig. [Please select]
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The leg and wing rudiments of the male coccid (pp.) [Please select]
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In the male coccid we find a late larval stage with hidden wing-rudiments, the importance of which, for comparison with the caterpillar, will be appreciated later. [Please select]
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[65] There is little doubt, however, that some species of Aphides and allied Coccidæ would be liable to extermination if not protected by their ant masters. [Please select]
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