BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE 15 
Considerable progress has been made in the colonization of imported para- 
sites of the Japanese beetle at a number of points in the generally infested 
area. Tiphia vernalis Roh. is now well established and increasing rapidly. In 
the spring of 1035, 141 colonies were placed in heavily in Tested areas in New 
Jersey, Pennsylvania, and Delaware, making a total of 403 colonies of this 
species in the field. T. popilliavora Roh. was definitely established in 1026 
and has been extensively colonized; 185 colonies were placed in the held during 
this summer, bringing the total number of colonies to 379. This species shows 
more fluctuation in population from year to year than T. vernalis. Two col- 
onies of the Korean strain of T. popilliavora, which appears in the field later 
than the Japanese type and is more nearly synchronized with the appearance 
of the third-instar larvae, were placed in the field, and sufficient material is 
available to place approximately 20 colonies of this parasite in the field during 
the coming year. 
THE ASIATIC BEETLES 
The Asiatic garden beetle (Autoserica castanea Arrow) has continued to 
spread westward on Long Island and in Westchester County, N. Y., in sub- 
urban areas immediately adjacent to Philadelphia, Pa., and throughout New 
Jersey. The injury caused by the grubs to vegetable seedlings was marked 
late in the spring and early in the summer. A large number of complaints were 
received from restaurants, drug stores, and baseball parks and other places 
of amusement which operate at night and use large flood lights, because the 
beetles were attracted to the lights in such enormous numbers that they 
became a nuisance and curtailed business activities. 
It has been found that rose geranium oil, eugenol, and tansy oil are defi- 
nitely attractive to this beetle, indicating the possibilities of using these ma- 
terials to increase the capture of the beetles in the light traps. Two types 
of traps and lights were tested, and on favorable nights as many as 2,000 
beetles per trap were captured in a single hour. Tests during the summer 
indicate that this beetle can be controlled in vegetable gardens by the use of 
a poisoned bait containing bran, lead arsenate, molasses, and water. 
Tiphia asericae A. and J., a Chosenese parasite of the Asiatic garden beetle, 
which was liberated in previous years in the vicinity of Philadelphia, in 
northern New Jersey, and on Long Island, has been recovered in these localities. 
The status of the oriental beetle (Anomala orientalis Waterh.) is about the 
same as in 1934, the spread of this species being relatively slight. Some injury 
has been observed in lawns and gardens but much less than is caused by the 
Asiatic garden beetle. 
JAPANESE BEETLE QUARANTINE AND CONTROL 
EXTENT OF INFESTATION 
For the first year since the original quarantine on account of the Japanese 
beetle was issued in 1919 it was not considered necessary to extend the ter- 
ritory under regulation. Only three first-record finds of major importance — 
at St. Louis, Mo., Chicago, 111., and Indianapolis, Ind. — were recorded during 
the 1934 trapping season. The most outstanding find at a point remote from 
the central infested area was that disclosed at St. Louis, where beetles were 
collected in such numbers as to indicate an established infestation. At Indian- 
apolis 17 beetles were caught in a residential section at some distance from 
a railroad line. This infestation probably resulted from illegal transportation 
of infested plant material. The locations at which were trapped 6 beetles in 
Chicago and 1 beetle in East St. Louis, 111., point to the probability that these 
adults had been transported by rail from the heavily infested sections of New 
Jersey or Pennsylvania. 
With limited funds available for determining the spread of the insect, 
trapping was confined to those States immediately adjacent to known infested 
territory. Supplementing trap surveys in nonregulated territory in Maine, 
New York. Pennsylvania. Ohio, West Virginia, Virginia, anil Maryland, traps 
were operated to check previously determined infestations in Detroit, Mich., St. 
Louis, Mo., and Greenville, S. C, and to determine presence of the insect in 
Chicago and East St. Louis, 111., and a few selected eilies in Indiana. The 
season's trapping program began in Virginia on June 18. Trap distribution 
progressed northward following the dates of probable beetle emergence. The 
latest traps set were those placed in Maine. Except in cities where continued 
