XII LIST OF ILLUSTRATIONS. 



Page. 



Fig. 114. A drying oven for the inflation of larva j 69 



115. A clip for holding caterpillars 70 



116. The Marx tray for specimens in alcohol 74 



117. The double Marx tray for specimens in alcohol 75 



118. A Meloid beetle, Epicauta margumta 76 



119. A weevil, Sphenophorus obscurus: a, Beetle; b, head; c, larva; d, pupa. 76 



120. A longicorn beetle, Saperda cretata 77 



121. A Chrysomelid beetle, Disonycha xanthomelsena: a, Beetle; b, eggs; 



66, sculpture of same, highly magnified; c, larva; d, pupa; e, 



newly hatched larva; /, segment of same 78 



122. The rhinoceros beetle, Dynastes tityus 78 



123. A clavicorn beetle, Silvanus surinamensis: a, Beetle; 6, pupa; c, larva; 



d, antenna of same 79 



124. A Chrysomelid beetle, Octotoma plicatula 80 



125. The pea weevil, Bruchus jnsorum: a, Beetle; b, larva; c, pupa 81 



126. A Buprest id beetle, Agrilus sinuatus: a, Larva; b, beetle; c, pupa... 82 



127. A Carabid or groundbeetle, Clivina imj>ressifrons 82 



128. A water-beetle, Dytiscus 83 



129. A tiger-beetle, Cicindela limbala 84 



130. A Silphid or carrion-beetle, Silpha bituberosa 85 



131. A butterfly, Pontla oleracea, and its caterpillar 86 



132. A butterfly, Uranotes melinus : a, Caterpillar; 6, chrysalis; c, d, but- 



terfly 86 



133. An Arctiid moth, Utetheisa bella 87 



134. A canker-worm moth, Alsophila pomeiaria: a, Male moth; b, female 



moth; c, d, enlarged parts 87 



135. The saddle-back, Sibine stlmulea: Moth and its stinging caterpillar. . 88 



1 36. The bag- worm, Tliyridopteryx ephernerxformis, female 88 



137. A Pyralid moth, Pyralis farinalis: a, Moth; b, caterpillar; c, pupa; 



d, e,f, details 89 



138. A sawfly, Emphytus canadensis: a, Adult; b, larva; c, enlarged seg- 



ment of larva; d, pupa; e, cocoon 89 



139. Lysiphlebus depositing its eggs in the body of a grain-aphis 90 



140. A f ossorial wasp, Ammoplrila nigricans 91 



141. The larva of a musquito, Culex 92 



142. The screw- worm fly, Compsomyia macellaria 92 



143. A horsefly, Tabanus lasiophthalmus: a, Male; 6, female; c, pupa, d, 



tail of same; e, larva 93 



144. A ' ' kissing bug, ' ' Reduvius personalus 93 



145. A water boatman, Notonecta irrorata 94 



146. A water-bug, Nepa apicidata 94 



147. One of the Fulgoridfe, Poiocera fuliginosa 95 



148. One of the Psyllida3, Psylla pyricola 95 



149. A scale insect, Chionapsis furfurus: a, Female scales; 6, male scales; 



c, female enlarged; d, male enlarged 96 



150. A walking-stick, Megaphasma denticrus 96 



151. A grasshopper, Psinidia a7nphicornis 97 



152. A western cricket, of the family Locustidae, Sleiroxys Irihneala 97 



153. A Mantispa, with side view beneath 98 



154. A Panorpa or scorpionfly 98 



155. One of the Pom pi lid wasps, Priocnemis 99 



156. One of the Syrphidse, Syrpltits ribesi: a, Fly; b, antenna; c, larva; 



d, e, details 99 



157. A Tachina fly, Trichopoda pennipes 100 



