226 ENTOMOLOGICAL NEWS [ May, *14 
Ischnura denticollis. Sept. 9, Mesa: 1 ¢. 
Ischnura demorsa. Sept. 9, 10, 11, 16 and 18, Mesa, Salt River 
and east of Mesa: 21 ¢ and 36 Q. 
Ischnura barberi. Sept, 8, 9 and 11, Mesa and south of Mesa; 
Sept. 12, Tempe: 4 ¢ and 1 @. All Ischnuras were taken in 
grass and on twigs in water; flight low. 
Progomphus borealis. All were taken away from water 10-40 
feet; were resting on tips of twigs, often with abdomen elevated, 
and none were seen resting on the ground. Sept. 8 and 18, Salt 
River, Mesa, and desert north of Mesa; Sept. 15 and 22, Granite 
Reef Dam: 4 ¢ and 6 Q. 
Erpetogomphus compositus. All were resting on dirt banks or 
broad leaves, always near water; flight swift and straight. Sept. 
12, south of Tempe, along canal; Sept. 18, Salt River, Mesa; Sept. 
22, Granite Reef Dam: 6 ¢ and 2 Q. 
Anax junius. Flying along ditches in bright sunlight, most num- 
erous during the middle of the day; associated with the next spe- 
cies. Sept. 9, 10, 11 and 13, Mesa and south and southeast of Mesa 
along canal: 10 ¢ and 2 Q. 
Aeshna multicolor. Associated with the preceding and of simi- 
lar habits. Aug. 31 and Sept. 9, Mesa and southeast of Mesa 
along a ditch: 11 ¢ and 2 9. 
Libellula saturata. Often resting on twigs among dead cacti. 
Sept. 8, 11 and 18, Mesa and south of Mesa; Sept. 22, Granite Reef 
Dam: 3 ¢ and 3 Q. 
Libellula comanche. Flying with Aeshnines, only one seen. 
“Basal coloring of wings much reduced (wanting), c. f. Ent. News 
XVIII, p. 202; distal brown of stigma reduced (scarcely one-fifth) 
—Calvert in letter. Sept 9, southeast of Mesa along ditch, 1 8. 
Orthemis ferruginea. Usually resting on dead twigs. Sept. 3, 
8, 9 and 10, Mesa, along road north of Mesa, southeast of Mesa 
along ditch; Sept. 17, Chandler: 13 ¢ and 4 Q. 
Perithemis intensa. On twigs in still water and back and forth 
between resting places. Sept. 3, 8, 9, 10, 11 and 16, Mesa, north, 
east and south of Mesa; Sept. 17, Chandler: 41 ¢. 
Erythemis collocata. About small ponds. Sept. 8, 10, 11, 16 and 
18, Mesa, and north, east and south of Mesa; Sept. 17, Chandler: 
12. ¢ -ands50.- 
Sympetrum corruptum. Sept. 8 and 11, north and south of 
Mesa; Sept. 15, Granite Reef Dam: 3 ¢ andi 9. 
Pantala flavescens. Sept. 11, south of Mesa,1 ¢. 
