Figures 6.3


Life cycle of a holometabolous insect, a bark beetle, Ips grandicollis, showing the egg, the three larval instars, the pupa, and the adult beetle.
Figures 6.3. Life cycle of a holometabolous insect, a bark beetle, Ips grandicollis, showing the egg, the three larval instars, the pupa, and the adult beetle.

(After Johnson & Lyon 1991)

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  The life cycle of a hemimetabolous insect, the southern green stink bug or green vegetable bug, Nezara viridula (Hemiptera: Pentatomidae), showing the eggs, nymphs of the five instars, and the adult bug on a tomato plant.
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  Stages in the development of the wings of the cabbage white or cabbage butterfly, Pieris rapae (Lepidoptera: Pieridae).