130 FLOWERS AND INSECTS—XXVI 
Long-tongued Bees (6, ¢)—Bomb.: Bombias separatus 9, 
Bombus americanorum 9, fq; Megachil (2): Megachile brevis fq, 
mendica, petulans; Hucer.: Melissodes bimaculata 9. 
Desmodium canescens.—Blooms July 11—-September 7; 1 vis- 
itor observed, September 1; Ma, R. 
Long-tongued Bees (1)—WMegachil.: Megachile brevis 9, e. 
Desmodium dillenii (3:83)—Blooms July 30-September 7; 
5 visitors observed, August 2-September 2; Ma, R. 
Long-tongued Bees (5, c)—Bomb.: Bombus americanorum 9; 
Megachil. (2) : Megachile brevis, mendica, petulans; Hwucer.: Melis- 
sodes bimaculata 9. 
Desmodium grandiflorum.—Blooms June 22—August 17; 1 vis- 
itor observed, July 9; Mi, W. 
Short-tongued Bees (1)—Halict.: Chloralictus versatus 9, e¢. 
Desmodium illinoense.—Blooms June 5—August 10; 9 visitors 
observed, June 30-July 9; Ma, R. 
Long-tongued Bees (7)—Bomb. (9, ¢): Bombias auricomus, 
Bombus americanorum; Megachil.: Osmiini: Alcidamea simplex 
©, ¢; Megachile brevis fq, mendica, Sarogaster ; Coelioxyini: Coeli- 
oxys 8-dentata, explor, n. 
Short-tongued Bees (1)—Halict.: Chloralictus versatus 9, esp, n. 
Lepidoptera (1)—Lycaen.: Everes, explor, n. 
Desmodium marilandicum (8:83).—Blooms August 22—Sep- 
tember 3; 1 visitor observed, August 22; Ma, R. 
Short-tongued Bees (1)—Panurg.: Calliopsis andreniformis Q, e¢. 
Desmodium paniculatum (38: 83).—Blooms July 17-September 
23 ; 8 visitors observed, August 7-September 10; Ma, R. 
Long-tongued Bees (6, ¢)—Bomb.: Bombus americanorum 9, 
impatiens $; Megachil. (Q°): Megachile brevis, mendica, petulans; 
Eucer.: Melissodes bimaculata 9. 
Short-tongued Bees (2, 9, ¢)—Panurg.: Calliopsis andrenifor- 
mis; Nomi.: Paranomia. 
Desmodium sessilifolium (3: 83)—Blooms July 18-September 
18; 2 visitors observed, August 14, 15; Ma, R. 
Long-tongued Bees (1)—Megachil.: Megachile brevis 9, ¢. 
Short-tongued Bees (1)—Halict.: Chloralictus versatus 2, esp, n. 
Gleditsia triacanthos.—Blooms May 4—June 5, 18 visitors ob- 
served, May 24—June 3; Mis, Y. 
