INDEX. 333 



Page. 

 Parasites of gipsy and brown-tail moths, imported into United States, present 



status 307-310 



known and recorded 84-92 



localities from which material has been 



received 168, 169 



quantity of material imported 167-168 



moth. (See Gipsy moth parasites.) 



injurious insects, early practical work in handling 17-18 



Froggatt's journey for investigation of their utility . 42-44 



method of encouragement 20 



permitting them to escape 18-20 



previous work in practical handling 16-45 



transfer from one country to another 23-46 



transportation from one part of a given country to 



another part 20-23 



secondary, host relations 201-202 



Parasitism as a factor in insect control 105-109 



of brown-tail moth in America 143-151 



Europe 132-135 



gipsy moth in America 136-143 



Japan 120-123 



Russia 123-129 



southern France 129-131 



native insects, studies therein 102-105 



white-marked tussock moth (Hemerocampa leucostigma) in country 



versus city 119-120 



Parexorista chelonix, American race, parasite of Malacosoma americana and Mala- 



cosoma disstria 299-300 



biological differences between American and European 



races 257, 286, 299 



gross number colonized * 310 



parasite of brown-tail moth in Europe, position in "se- 

 quence" 136 



introduction into United 



States, habits 297-300 



reared at laboratory 91 



status in United States in 1910 310 

 probable interbreeding of American and European forms 299-300 



recorded hosts 92 



Paris green against gipsy moth, formerly recommended 47 



Parorgyia sp., host of Apanteles Jishei 265 



Parthenogenesis as a factor in establishment of hymenopterous parasites in a 



new country 95 



in Melittobia acasta 211-212 



Schedius kuvanse 179, 183 



Trichogramma 257-258 



Pear, food plant of Aporia cratsegi 133 



brown-tail moth 133 



wild, containing nests of brown-tail moth 133 



Pediculoides ventricosus, enemy of brown-tail moth caterpillars and their para- 

 sites 267-268 



Scutellista cyanea 33 



Perilampus cuprinus, an undesirable foreign hyperparasite 202 



parasite of introduced Tachinidae 208-209 



