CHARLES ROBERTSON 151 
Long-tongued Bees (1)—Ap.: Apis. 
Short-tongued Bees (5)—Halict.: Chloralictus sparsus ¢ 9, se, 
ab, versatus 9, se, ab, zephyrus 9, Odontalictus ¢, Seladonia ¢ 9. 
Other Hymenoptera (2)—Vesp.: Polistes pallipes; Pompil.: 
Priocnemoides fulvicornis. 
Diptera (4)—Syrph.: Mesogramma geminata, Syritta ab; 
Empid.; Parempis; Tachin.; Archytas analis. 
PLANTAGINACEAE (anemophilous) 
Plantago major.—Three visitors observed, June 23-—July 17. 
Long-tongued Bees (1)—Bomb.: Bombus americanorum 9, ¢, 1. 
Short-tongued Bees (2, 2 ¢)—Halict.: Chloralictus versatus 11, 
Oxystoglossa similis 1. 
POLEMONIACEAE 
Phlox divaricata (8: 143, 13: 578).—Blooms April 3-—June 2; 
25 visitors observed, April 25-May 23; Ma, R. 
Long-tongued Bees (8)—Bomb. (2): Bombias separatus, Bom- 
bus americanorum ab, consimilis, impatiens, ridingsii, Psithyrus 
variabilis; Megachil.: Osmia cordata ¢; Eucer.: Tetralonia dilecta 
J , ab. 
Diptera (1)—Bombyli.: Bombylius atriceps. 
Lepidoptera (16)—Nymphal.: Anosia; Papilion.: Euphoeades, 
Eurymus, Heraclides, Iphiclides, Jasoniades, Laertias, Papilio; 
Hesperi.: Atrytone zabulon ab, Epargyreus, Limochores taumas, 
Thanaos icelus, Thorybes bathyllus; Sphing.: Deilephila, Hemaris 
thysbe ; Noctu.: Plusia simplex. 
April 29, May 6, 11, 18, 20, 1909, the following 9 species and 62 
individuals were taken on the flowers: 
Long-tongued Bees (6: 56)—Bomb.: Bombias separatus 1, Bom- 
bus americanorum 7, consimilis 1, ridingsii 1, Psithyrus variabilis 
3; Eucer.: Tetralonia dilecta 43. 
Lepidoptera (3:6)—Papilion.: Eurymus 1, Iphiclides 1; 
Hesperi.: Atrytone zabulon 4. 
Phlox glaberrima (8: 142).—Blooms May 28—August 6; 8 vis- 
itors observed, May 28—July 18; Ma, R. 
Lepidoptera (7)—Nymphal.: Anosia; Papilion.: Eurymus, 
Heraclides, Laertias, Papilio; Hesperi.: Polites; Ctenuch.: Seepsis. 
Diptera (1)—Syrph.: Syrphus americanus f, n. 
Phlox pilosa (8: 142-3).—Blooms April 27—June 29; 20 vis- 
itors observed, May 8—June 8; Ma, R. 
Long-tongued Bees (7)—Bomb. (2): Bombias auricomus fq, 
separatus, Bombus americanorum, impatiens; Nomad.; Holonomada 
