PEST 
Pea aphid, 
Acyrthosiphon pisum (Harris) 
Rhodes grass scale, 
Antonina graminis (Mask. ) 
Spotted alfalfa aphid, 
Therioaphis maculata (Buckton) 
Sugarcane borer, 
Diatraea saccharalis (F.) 
Yellow clover aphid, 
Therioaphis trifolii (Monell) 
Balsam woolly aphid, 
Chermes piceae Ratz. 
Barnacle scale, 
Ceroplastes cirripediformis Comst. 
Birch leaf-mining sawfly, 
Heterarthrus nemoratus (Fall.) 
Browntail moth, 
Nygmia phaeorrhoea (Donov. ) 
Browntail moth, --Cont. 
Nygmia phaeorrhoea (Donov.) 
Citrophilus mealybug, 
Pseudococcus gahani Green 
(see Fruit Insects) 
Citrus mealybug, 
Pseudococcus citri (Risso) 
(see Fruit Insects) 
Elm leaf beetle, 
Galerucella xanthomelaena (Schr. ) 
European earwig, 
Forficula auricularia L. 
also general-nuisance pest) 
European elm scale, 
Gossyparia spuria (Mod.) 
European pine sawfly, 
Neodiprion sertifer (Geoff. ) 
European pine shoot moth, 
Rhyacionia buoliana (Schiff. ) 
European spruce sawfly, 
Diprion hercyniae (Htg.) 
Gypsy moth, 
Porthetria dispar (L.) 
see Fruit Insects) 
WHERE FOUND 
PARASITE OR PREDATOR 
FIELD AND GARDEN INSECTS. --Continued. 
General 
Gulf States, New 
Mexico, Arizona 
and California 
General 
Gulf States 
The East 
Aphidus smithi S. & A. 
Hippodamia convergens Guer. 
Anagyrus antoninae Timb. 
Dusmetia sangwani Rao 
Aphelinus semiflavus How. 
Praon palitans Mues. 
Trioxys utilis Mues. 
Agathis stigmatera (Cress. ) 
Lixophaga diatraeae (Tns.) 
Paratheresia claripalpis 
(V.d.W. 
Trioxys utilis Mues. 
TREE AND SHRUB INSECTS 
East and West 
Coasts 
Southern coastal 
areas, Califor- 
nia, and Hawaii 
Northern New 
England 
New England 
New England 
California 
California 
Pacific States 
and the East 
Eastern 
Seaboard and the 
West 
The East and 
California 
New England, 
New Jersey 
Northeast, 
North Central 
States, and 
Washington 
Upper New 
England 
New England, 
New York, New 
Jersey, and 
Pennsylvania 
Aphidoletes thompsoni Méhn. 
Cremifania nigrocellulata Cz. 
Laricobius erichsonii Rosen. 
Leucopis obscura Hal. 
Scymnus impexus Muls. 
Scutellista cyanea Mots. 
Chrysocharis laricinellae 
(Ratz. ) 
Phanomeris phyllotomae Mues. 
Apanteles lacteicolor Vier 
Carabus auratus L. 
Carcelia laxifrons Vill. 
Eupteromalus nidulans 
Thoms. 
Exorista larvarum (L.)- 
Meteorus versicolor (Wesm.) 
Monodontomerus aereus Wlkr. 
Townsendicellomyia nidicola 
(Tns.) 
Erynniopsis rondanii Tns. 
Tetrastichus brevistigma 
Gahan 
Bigonicheta spinipennis 
(Meigen) 
Coccoph insidiator 
(Bein) 
Pleolophus basizonius (Grav. ) 
Dahlbominus fuscipennis 
(Zett.) 
Exenterus abruptorius (Thnb.) 
Temelucha interruptor Grav. 
Orgilus obscurator (Nees) 
Tetrastichus turionum (Htg.) 
Dahlbominus fuscipennis 
Zett. 
Ze 
SOURCE AND DATE INTRODUCED 
India, 1958-61. 
U.S. native. 
Hawaii, 1949, 
India, 1959-60. 
Near East, 1955-57. 
Do. 
Do. 
Do. 
Argentina, 1929-30; Peru (assumed), 1932. 
Cuba, Puerto Rico, 1915, 1918-20, 1926-27, 
1936-40. 
Argentina, 1929; Peru, 1929-31, 1932, 1936. 
France, 1956-57. 
Europe, 1957-60. 
Europe, 1957-60. 
Europe, 1957-60. 
Europe, 1937-55. 
Europe, 1960-62. 
Italy, 1895-98. 
Austria, 1930-34, 
Austria, 1930-35. 
Austria, Italy, 1906-10. 
Europe, 1907. 
Europe, 1906-10. 
Central Europe, 1906-08. 
Italy, 1905; Europe, 1906-11, 1923-32. 
Central Europe, 1906-11. 
Europe, 1905-10. 
Europe, 1905-11. 
Italy, 1909, 1911; France, 1924-25, 1932-35, 
Eastern U.S. 
France, England, Italy, 1924-29, 1931, 
1938-39. 
France, 1953-56. 
Hungary (via Canada), 1935, 1938, 1940. 
Europe (via Canada), 1935-36. 
Europe, 1941. 
Austria, 1931-35; England, 1936; Holland, 
1937. 
Austria, 1921, 1933-35; England, 1936, 
Holland, 1937. 
Austria, 1931-35. 
Europe (via Canada), 1935-39. 
