38 DISTRIBUTION AND DISPERSION 01^ LEPTINOTARSA. 



i8g2. — In the northwestern part of Alabama the insect was reported as 

 abundant (Insect lyife, vol. v, p. 356, 1892). It was also recorded from 

 Yemassee, Hampton County, South Carolina, in May, and from " Hay Field 

 Farm," Charleston Neck (Cor. Div. Ent., U. S. Dept. Agr.). The following 

 information concerning this latter record was placed on file by H. M. Simons : 

 The beetle, in the opinion of Mr. Simons, first appeared there in 1892, on a 

 nearby farm, where it was abundant on guinea squash. The bugs were 

 hand-picked, but appeared the next year (1893) i^ ^ ^€iA across the road, 

 where they covered an area of about 2 acres. A few bugs were found on 

 his own farm, but they came into his fields late in the season. In 1894 

 they appeared on March 6, on the potatoes, and gradually increased in num- 

 bers. It is evident from this account and from that of the appearance at 

 Fayetteville, North Carolina, that the insect is far less active there as a 

 migrant than in the States farther north. 



i8gS' — Hubbard (Insect I^ife, vol. vi, p. 282, 1893) reported the occur- 

 rence of L. decemlineata at Fort Assinniboine, Montana, where it had not 

 come in contact with the cultivated potato. This record represents probably 

 the northern limit of its original habitat. It was also recorded from Jack- 

 sonville, Calhoun County, Alabama (Cor. Div. Ent., U. S. Dept. Agr.). 



1^95' — 111 this year it was again recorded from Charleston, South Caro- 

 lina, where it seems to have been introduced a third time {ibid.'). 



i8g6. — The only record of this year that is of importance is that at Seneca, 

 Oconee County, South Carolina {ibid.). 



iSgy. — More records for the beetle are known this year from the south, 

 and they mark a considerable extension of its bounds. It is reported in May 

 from Victoria, Marshall County, and Oxford, Lafayette County, Mississippi ; 

 from Dye, Montague County, Texas {ibid.), and from fifteen counties in the 

 northern half of Mississippi (Weed, 1897). 



iSgS. — Recorded from Lenoir, Caldwell County, North Carolina, in May. 



i8gg. — Recorded from Sheridan and Silver City, Grant County, Arkansas, 

 in August {ibid.). 



igoo. — Prof. A. L. Quaintance informs me that in this year the beetle was 

 found in large numbers at Experiment, Georgia, and that it has entirely 

 replaced or crowded out L. junda^ which, in 1899, was one of the most 

 abundant insects in that locality. 



I go I to igo^. — Since the year 1900 no records of any value concerning the 

 farther advance of this beetle have been found, and, as it now covers nearly 

 the entire eastern part of the United States, further records of this nature are 

 not to be expected. 



The dissemination of this insect over the eastern United States, now com- 

 pleted, has occupied a period of fifty years, and of these we have accurate 



