1924] 
Notes on Piesma cinerea Say 
229 
NOTES ON PIESMA CINEREA SAY. 
By Geo. W. Barber. 
Cereal and Forage Insect Investigations, U. S. Bureau of 
Entomology. 
During the summer of 1922 Piesma cinerea Say was found 
to be very plentiful in certain sections near Boston, Mass. In 
Medford a plot of “Love-lies-bleeding’’ (Amaranthus cdudatus L) 
was completely destroyed, the leaves curling and falling and 
even the buds of the partly grown plants being destroyed. 
“Prince’s feather” {Amaranthus hybridus L., form hypochondria- 
cus Robinson) and the wild Amaranthus retroflexus L. were also 
Fig. 1. Adults of Piesma cinerea Say. 
attacked, altho injury was not observed except for some curling 
of the leaves. During July, August and September all stages of 
the insect were found in the field. 
The eggs were deposited on the under surface of the leaves 
where they lay on their sides, very often parallel to and near 
the veins, particularly the larger ones. They usually were dep- 
osited singly but in some instances there were twenty or more on 
a single leaf. 
The nymphs fed on the under surface of the leaves, the 
resulting curling furnishing protection to them. New adults 
were usually of a light cream color tinged with green, but soon 
