6 -RTT.TF.TTX 9<)2. U. S. DEPARTMENT OF AfiBICIILTUBE. 
hard to catch and did great damage. The same year injuries were 
also reported to gardens in Verne. Okla., in April and May. and an 
invasion occurred at Brownsville and at Harlingen, Tex., on turnip 
and cabbage, in November. According to reports by Mr. McMillan, 
the beetles were to be found continuously through the month of 
Xovember in south Texas. 
In 1909 Mr.H. J. Kelley, Springton, Idaho, complained of this species, 
June IS. It was observed by Mr. M. M. High attacking potato at 
Lyford, Tex., March 2. and turnips and radish at Brownsville, Tex., 
March 26. July 25, of the same year, complaint by Mr. B. E. Chevick 
was made in regard to the same insect, on beans, cabbage, sugar beet, 
garden beet, and mangels. During July also, Mr. G. E. Thompson re- 
ported it at Akron, Colo., on kale and rape, and a heavy infestation 
at Fort Collins, stating that farmers complained of serious injury 
in their gardens, especially to cabbage, radish, and peas. Xovember 
7, H. M. Bussell found the beetle at Conipton, Calif., feeding on wild 
mustard. 
In 1910 beetles were observed by Mr. High at Brownsville, Tex,, in 
January, February, and March in large numbers on turnip, radish, 
and lettuce, doing great damage to young plants, the underside of 
the leaves being covered with excavations made by them. He wrote 
•■in time this greatly devitalizes the growth of the plants and if the 
present number remains long enough, many of the leaves will wilt 
and die." March 2 the species was observed hi numbers on young 
Irish potatoes at Lyford, Tex., by Mr. A. Steller. 
During 1911, Mr. McMillan stated that in January and February 
tins flea-beetle had been numerous at Brownsville, Tex., on wild 
water-cress (Boripa sphaerocarpa) 3 wild pepper-grass (Lepidium vir- 
ginicum) 3 and on young turnip, mustard, and rutabaga. The beetles 
pass through partial hibernation, but their wild hosts were only 
slightly injured. July 2, this species was the subject of complaint 
at Goo dwell, Okla., by Mr. Gus Shubert, who stated that in spite 
of different plantings the insect, locally known as the "earth flea.'' 
damaged radish, turnip, and cabbage. Serious infestation was re- 
ported the following day at Akron, Colo., to cabbage, lettuce, radish, 
and peas, and on Julv 25. to beans, cabbage, and sugar beets at Dulce, 
X. Mex. 
June 10, 1912, injury was reported at Moses, X. Mex., to cabbage, 
radish, and turnip. 
In 1913 this flea-beetle was observed in large numbers, January 
27, at Brownsville, Tex., by Mr. High, attacking radish and turnip. 
The leaves were full of small holes made by the beetles. Injury was 
less noticeable on spinach and table beets. May 17, it was quite 
abundant on cabbage. Small excavations had been made on the 
underside of the leaves but were not yet entirely through the upper 
