HEMIPTERA OF COLORADO. 
113 
Manitou, September 29th, on Salix (Gillette). 
Typhlocyba tricinctaTh. .. . . 
Fet. Gillette. 
Fort Collins, September 27th, on grass (Gillette). 
Typhlocyba vitifex Fh. Det. Gillette. 
Fort Collins, September 4th, on Virginia Creeper (Baker), 
ort Collins, September 27th, on grass; Spring Canon, eight 
miles south-west of Fort Collins, May 11th (Gillette). 
Typhlocyba vitifex Harr. var. coloradensis Gill. Get. Gillette 
Fort Collins (Gillette, 6). 
. Collins, March 8th, hibernating under dead leaves 
m vineyard (Baker). Fort Collins, May 18th to August 19th, 
on grape (Gillette). 
Typhlocyba vitis Harr. 
Colorado (Van Duzee, 5). 
This record is certainly a doubtful one, and probably 
refers to vitifex. 
Typhlocyba vulnerata Pitch. Det . Gillette. 
S pri “ g Canon eight miles south-west of Fort Collins, May 
i? J Collins, June 23d on Virginia Creeper (Gillette). 
ort Collins, March 8th, hibernating under leaves in 
vineyard, and September 4th on Virginia Creeper (Baker). 
Psylla coryll Riley Ms. Det . Eiley . 
Steamboat Springs, July 26th (Gillette). Manitou, July 
(i ucker). J 
Psylla gillettei Riley Ms. Det . Eiley . 
Fort Coliins, May 23d; Rist Canon, April 10th (Gillette) 
Fust Canon, April 20th on willow; Fort Collins, May 7th on 
aifalfa; Cameron Pass July, 5th, above timber on a dwarf 
balix (Baker). 
Psylla negundinis Kiley Ms. Det . Eiley . 
Fort Collins, June 4th (Gillette). Fort Collins, June 9th 
on alfalfa (accidental), and September 26tli, abundant on 
box-elder; on the latter date a black ant was found carrying 
ajiving specimen from the tree to the ground (Baker) * 
