GARDEN FLEA-HOPPER IN ALFALFA. 5 
nymphal stages. Mr. J. R. Stewart, of Gray, Ga., under the date of 
May 9, 1915, reported severe injury by the garden flea-hopper to a 
field of alfalfa that had yielded fine crops for two years. 
Mr. E. II. Gibson on May 26, 1916, reported it as being injurious to 
alfalfa at Charleston, Mo. 
RECENT INJURIES. 
During the year 1915 serious attacks by Halticus citri on cereal and 
forage crops in the South Atlantic States, and especially in Georgia, 
Fig. 2.— Alfalfa showing the effect of injury by the garden flea-hopper on the leaves. 
directed the attention of the Bureau of Entomology to the need of 
investigational work with respect to this insect. The late Prof. F. M. 
Webster, entomologist in charge of cereal and forage insect investi- 
gations, immediately instituted researches for the purpose of deter- 
mining suitable control measures. 
The writer began his investigations at Gray, Ga., May 26, 1915. 
In walking through the alfalfa fields at this place infestation by the 
garden flea-hopper was found exceedingly abundant, the insect being 
present in all stages of its life cycle; the distribution of the pest in 
