220 FLOWERS AND INSECTS—XXVI 
Long-tongued Bees (1)—Eucer.: Tetralonia dilecta J. 
Viola pubescens (2:172-3).—Blooms April 9-May 7; 22 vis- 
itors observed, April 16-30; Mi, Y. 
Long-tongued Bees (7)—Bomb.: Bombus americanorum 9, n; 
Ceratin.: Ceratina 2; Megachil.: Osmia atriventris 9, sc, ab, pumila 
Jb 9, se, ab, in cop; Nomad.: Nomada sayi 9 ; Eucer.: Tetralonia bel- 
fragei 2; Anthophor.: Anthophora 9. 
Short-tongued Bees (7, 9)—Halict.: Chloralictus pilosus se, 
sparsus sc, versatus, Curtisapis coriacea, Oxystoglossa confusa se, 
ab, Seladonia; Andren.: Andrena earlini se. 
Diptera (5)—Syrph. (fsp, n): Melanostoma obscurum, Meso- 
gramma marginata, Paragus tibialis; Bombylt.: Bombylius major 
ab; Tachin.: Gonia capitata. 
Lepidoptera (3)—Papilion.: Eurymus; Hesperi.: Thanaos 
juvenalis, martialis. 
Viola sagittata.—Blooms April 15—-May 24; 3 visitors observed, 
April 25-29; Ma, R. 
Long-tongued Bees (1)—WMegachil.: Osmia pumila %, 1. 
Short-tongued Bees (1)—Andren.: Iomelissa ¢ 9, se, 4. 
Lepidoptera (1)—Papilion.: Eurymus 1. 
Viola striata (2:174).—Blooms April 12-June 8; 19 visitors 
observed, April 16-May 20; Ma, W. Visitors not reversing are 
marked n. 
Long-tongued Bees (13)—Ap. Apis n; Bomb. (9, n) : Bombias 
auricomus, separatus, Bombus americanorum, consimilis, im- 
patiens; Ceratin.: Zaodontomerus ¢, n; Megachil. (sc) : Diceratos- 
mia 9, Osmia atriventris 9, collinsiae ¢ 9, fq, pumila 2, fq; Hucer.: 
Tetralonia belfragei ¢' ?, fq, n, dilecta 3, n. 
Short-tongued Bees (3, 9)—Halict.: Curtisapis coriacea; An- 
dren.: Andrena carlini, Iomelissa se, fq. 
Diptera (1)—Bombyli: Bombylius major n. 
Lepidoptera (2, n)—Papilion.: Eurymus; Hesperi.: Thanaos 
persius. 
VITACEAE 
Psedera quinquefolia.—Blooms June 13-July 27; 1 visitor 
observed, June 22, July 27; Mas, Y. 
Long-tongued Bees (1)—Megachil.: Megachile-mendica ¢ Q, 
se, ab. 
Vitis cordifolia.—Blooms June 5-22; 3 visitors observed, June 
15; Mas, Y. 
