Vol. XVI, pp. 177-182 December 31, 1903 



PROCEEDINGS 



OF THK 



BIOLOGICAL SOCIETY OF WASHINGTON 



DESCRIPTIONS OF SOME NEW TREE HOPPERS 

 FROM THE UNITED STATES. 



BY ELMER D. BALL. 



In studying the life histories and food plants of the Mem- 

 bracidce it was discovered that in a number of cases two or more 

 different species of Telamona were being confused under one 

 name in collections. In order to remedy this and to bring the 

 genus up to date the following species are described and food 

 plants noted. 



Telamona pruinosa, sp. nov. Plate I, figs. 7, 7a, and 7b. 



Size and form of monticola, nearly, but with a more upright hump and 

 prominent humeral angles. Testaceous powdered with white. Length 

 10 mm; width 6 mm. 



Pronotum rising perpendicularly above the lateral angles in front, 

 upper margin at first convex, then slightly sloping and angled with the 

 posterior margin which inclines a little, forming a large and almost rect- 

 angular hump on the anterior half. Humeral angles prominent, acute, 

 half longer than the eyes. 



Color. — Pale testaceous washed with pale cream or greenish-white 

 especially on anterior half of pronotum and face. This gives the whole 

 insect a powdered appearance. 



Described from five females from Illinois and Iowa. The Iowa speci- 

 mens collected by the author from a young sycamore tree. The 

 45-Pboc Bioi- Soc. Wash. Vol. XVI, 1603. (ITT) 



