152 FLOWERS AND INSECTS—XXVI 
superba 9; Eucer.: Tetralonia dilecta J 9, ab; Anthophor.: An- 
thophora Q. 
Diptera (1)—Bombyli.: Bombylius atriceps. 
Lepidoptera (12)—Nymphal.: Phyciodes, Vanessa huntera; 
Lycaen.: Chrysophanus; Papilion.: Euphoeades, Eurymus ab, 
Jasoniades, Papilio; Hesperi.: Epargyreus, Polites fq, Thorybes 
bathyllus fq, pylades; Noctu.: Plusia simplex fq. 
May 16, 1911, 6 species and 48 individuals were taken on the 
flowers, as follows: 
Long-tongued Bees (2:21)—Bomb.: Bombias auricomus 1; 
Eucer.: Tetralonia dilecta 20. 
Lepidoptera (4:27)—Papilion.: Eurymus 10; Hespert.: Epar- 
gyreus 2, Polites 8, Thorybes bathyllus 7. 
Polemonium reptans (13:578-9).—Blooms April 12—May 24; 
50 visitors observed, April 14-May 20; Ma, R. 
Long-tongued Bees (21)—Ap.: Apis se, ab; Bomb. (2): Bom- 
bias auricomus, separatus fq, Bombus americanorum ab, consimilis, 
impatiens fq, ridingsii, Psithyrus variabilis; Ceratin.: Ceratina J 
2, ab, Zaodontomerus 4; Megachil.: Alcidamea simplex ,', Ceratos- 
mia ¢ 9, Diceratosmia 9, sec, fq, Osmia atriventris fi 9, pumila J 
2, se, ab; Nomad.: Gnathias ovatus 9, xanthoparius , fq, Holo- 
nomada affabilis ¥'; Eucer.: Tetralonia belfragei ¢ 9, se, ab, dilecta 
3b; fq; Anthophor.: Anthophora ~. : 
Short-tongued Bees (17)—Halict. (2) : Agapostemon radiatus, 
Chloralictus coreopsis se, obscurus, pilosus se, versatus, Curtisapis 
coriacea se, Halictus lerouxii se, Oxystoglossa confusa sc, ab, pura 
se, fq, similis; Andren.: Andrena carlini ?, geranii <, fq, nasonii 
2, ¢, pruni 9, sayi 2, sc, Ptilandrena g. maculati 4, polemonii J 9, 
se, ab, type, oligolege. 
Diptera (5)—Syrph.: Mesogramma marginata f, n, Pipiza 
femoralis f, n, Rhingia sf; Empid.: Pachymeria; Bombyli.: Bom- 
bylius major. 
Lepidoptera (5, n)—Papilion.: Eurymus fq; Hespert.: Thanaos 
brizo, juvenalis fq; Sphing.: Hemaris thysbe; Noctu.: Plusia sim- 
plex fq. 
Coleoptera (2, f, n)—Anthic.: Corphyra terminalis; Coccinell.: 
Megilla. 
April 14, 21, 28, 1910, the following 30 species and 133 individ- 
uals were taken on the flowers: 
Long-tongued Bees (15:90)—Ap.: Apis 26; Bomb.: Bombias 
auricomus 8, separatus 6, Bombus americanorum 5, impatiens 5, 
ridingsii 1, Psithyrus variabilis 1; Ceratin.: Ceratina 3, Zaodon- 
