146 FLOWERS AND iNSECTS—XXVI 
NYMPHAEACEAE ; 
Castalia tuberosa (2: 123-5).—Blooms May 22-September 18; 
12 visitors observed, May 22-September 17; Mi, W. 
Short-tongued Bees (8)—Halict. (2, c) : Agapostemon radiatus 
ab, 1 dead, viridulus ab, Chloralictus nymphaearum, Curtisapis 
coriacea dead, Evylaeus nelumbonis ab, Halictus lerouxii dead, 
parallelus 1 dead; Prosopid.: Prosopis nelumbonis Q, f. 
Diptera (3)—Syrph.: Helophilus divisus f, ab, latifrons f; 
Bombylt.: Sparnopolius, dead, n. 
Coleoptera (1)—Rhipiphor.: Rhipiphorus limbatus, dead. 
_ Nelumbo lutea (2:297-8).—Blooms June 23—August 31; 32 
visitors observed, July 26—August 12; Mi, W. 
Long-tongued Bees (6)—Ap.: Apis ec, ab; Bomb. (n) : Bombias 
scutellaris %, expl, separatus 9, expl, Bombus americanorum 9, 
expl, impatiens 9, dead; Ceratin.: Ceratina 9, e. 
Short-tongued Bees (12)—Halict.: Agapostemon radiatus 9, ¢, 
ab, Chloralictus nymphaearum @, ¢, type, pilosus 9, ¢, ab, sparsus 
2, ec, versatus ¢ 9, f, e, ab, Evylaeus nelumbonis 9, ¢, ab, type, 
Halictus lerouxii 9, ¢, parallelus 9, ce, ab, Odontalictus 9, ce, Oxy- 
stoglossa confusa 9, e, ab; Prosopid. (9, £): Prosopis nelumbonis, 
type, ziziae. 
Other Hymenoptera (2, expl, n)—Scoli.: Elis interrupta, Sco- 
lia bicineta. 
Diptera (8)—Syrph. (£): Mesogramma marginata, Orthoneura 
nitida, Pipiza pulehella ab, Sphaerophoria, Syritta, Syrphus 
ribesii; Musc.: Pseudopyrellia, dead, n; Zphydr.: Notiphila f, fq. 
Coleoptera (4, £)—Cerambyc.: Typocerus badius; Chrysomel.: 
Diabrotica 12-punctata ab; Coccinell.: Hippodamea 13-punctata, 
Megilla. 
Nymphaea advena (2: 122-3).—Blooms May 19—August 20; 2 
visitors observed, August 20; Mi, Y. 
Short-tongued Bees (1)—Halict.: Evylaeus nelumbonis 9, e¢. 
Diptera (1)—Syrph.: Helophilus divisus. 
OLEACEAE 
Fraxinus americanus (anemophilous).—One visitor observed, 
April 19. 
Long-tongued Bees (1)—Ap.: Apis ¢, ab. 
ONAGRACEAE 
—— Circaea lutetiana (5:273).—Blooms June 20-July 26; 18 
species and 94 individuals, June 25-July 10; Mi, W. 
