34 FLOWERS AND INSECTS—XXVI 
Lepidoptera (13)—Nymphal.: Basilarchia archippus, Speyeria ; 
Lycaen.: Chrysophanus, Thecla calanus; Paptlion.: Eurymus, 
Laertias, Papilio; Hesperi.: Epargyreus, Limochores taumas, 
Pholisora catullus, Polites; Pyraust.: Loxostege. 
Coleoptera (4, n)—Cerambyc.: Tetraopes gn; Elater.: Mela- 
notus gn; Scarabae.: Macrodactylus gn, Trichius piger. 
Hemiptera (2, n)—Caps.: Lygus; Reduvi.: Sinea. 
The following visitors were found dead on the flowers (8) :— 
Long-tongued Bees (1)—Ap.: Apis ab, p, t. 
Diptera (4)—Tachin.: Spallanzania p; Sarcophag.: Sarcophaga 
cimbicis p; Musc.: Pseudopyrellia, Stomoxys. 
Lepidoptera (3)—Arcti.: Callimorpha p; Noctu.: Drasteria 
erechtea h, Agrotis. 
Asclepias tuberosa (1: 212-13; 13: 575-6).—Blooms June 6— 
September 5; 29 visitors observed, June 14-August 17; Mas, Y. 
With pollinia (19) :— 
Long-tongued Bees (5)—Ap.: Apis h; Stelid.: Anthidium cog- 
natum 4, h; Megachil.: Coelioxys 8-dentata ?, h, ec; Hucer.: Melis- 
sodes petalostemonis 2, h, variabilis 2, h. 
Short-tongued Bees (1)—Halict.: Augochlora fervida 9, ¢, fq. 
Other Hymneoptera (4, h)—Sphec.: Ammobia ichneumonea, 
Priononyx thomae, Sphex nigricans, procera ab. 
Diptera (1)—Tachin.: Spallanzania h. 
Lepidoptera (8, h)—Nymphal.: Argynnis, Speyeria; Papilion.: 
Euphoeades, Eurymus, Laertias, Papilio, Pontia; Ctenuch.: Scepsis. 
Without pollinia (10) :-— 
Birds (1)—Trochil.: Trochilus n. 
Long-tongued Bees (2)—Megachil.: Cyphopyga 9, Megachile 
brevis ¢ 9. 
Other Hymenoptera (1)—Sphec.: Priononyx atrata. 
Lepidoptera (6)—Nymphal.: Anosia, Phyciodes; Lycaen.: 
Chrysophanus, Everes, Strymon; Papilion.: Jasoniades. 
Asclepias verticillata (1: 207-8; 13: 569-71).—Blooms June 
26-September 4; 131 visitors observed, June 26—August 21; Pol, W. 
With pollinia (71) :— 
Long-tongued Bees (10)—Ap.: Apis h; Bomb.: Bombias sepa- 
ratus ¢' 2 9, h, fq, Bombus impatiens %, h, Psithyrus laboriosus; 
©, h; Ceratin.: Ceratina 9, h, c, p, fq; Megachil.: Trypetini: Neo- 
trypetes barbatus 9, p, type; Megachilini: Megachile brevis ¢ 9, 
h, t, fq; Coelioxyini: Coelioxys 8-dentata 3, h; Epeol.: Triepeolus 
concolor ¢', h; Eucer.: Melissodes bimaculata ¢ 9, h, t, fq. 
