Page:Insects - Their Ways and Means of Living.djvu/21

 Head and mouth parts of a grasshopper  Internal organs of a grasshopper  Alimentary canal of a grasshopper  Heart of an insect  Respiratory system of a caterpillar The brain of a grasshopper  Nervous system of a grasshopper  Reproductive organs of an insect </li> <li>Ovipositor of a katydid</li> <li>Termites </li> <li>Termite work in a piece of wood</li> <li>Worker and soldier castes and young of a termite </li> <li>Heads of termite soldiers </li> <li>Winged caste of a termite </li> <li>Short-winged reproductive caste of a termite</li> <li>A wingless termite queen</li> <li>Termite king and queen</li> <li>Wing of an ordinary termite</li> <li>Wings of a Mastotermes </li> <li>Section of an underground termite nest </li> <li>Four types of termite nests </li> <li>Large termite nest</li> <li>Group of aphids feeding </li> <li>How an aphis feeds </li> <li>Section of the beak of an aphis</li> <li>Aphis eggs </li> <li>Aphis eggs just before hatching </li> <li>Young aphis emerging from the egg </li> <li>Young aphids on apple buds </li> <li>Young of three species of apple aphids <li>Apple leaves infested by green apple aphis </li> <li>The green apple aphis</li> <li>The rosy apple aphis on apple </li> <li>The rosy apple aphis on plantain</li> <li>Maie and female of the rosy apple aphis </li> <li>Some common aphids of the garden </li> <li>A ladybird beetle </li> <li>The aphis-lion </li> <li>The golden-eye, Chrysopa </li> <li>Larva of a syrphus fly feeding on aphids </li> <li>Adult syrphus flies </li> <li>A parasitized aphis </li> <li>An aphis parasite, Aphidius </li> <li>A female Aphidius inserting an egg in a living aphis </li> <li>Parasitized aphids on parasite cocoons </li> <li>A parasitized lady-beetle larva </li> <li>A common cicada </li> </ol>