138 FLOWERS AND INSECTS—XXVI 
lerouxii ¢ 9, se, fq, parallelus 2, sc, Odontalictus 9, sc, Oxystoglossa 
confusa ¢ 2, fq, similis 2, Seladonia ¢ 9, se, fq; Andren.: Opan- 
drena cressonii 9, se; Panurg.: Calliopsis andreniformis J 9, se, fq. 
Other Hymenoptera (6)—Sphec.: Priononyx atrata, Sphex 
nigricans, pictipennis, jprocera; Bembic.: Microbembex; Scolt.: 
Campsomeris. 
Diptera (9)—Empid.: Parempis; Bombyli.: Bombylius atriceps, 
Systoechus, Thlipsogaster; Conop.: Physocephala texana, tibialis, 
Stylogaster biannulata, Zodion fulvifrons; Tachin.: Archytas analis. 
Lepidoptera (17, n)—Nymphal.: Charidryas, Euptoieta, 
Vanessa huntera; Lycaen.: Cyaniris, Everes; Papilion.: Eurymus, 
Iphiclides, Pieris, Pontia; Hesperi.: Ancyloxypha, Epargyreus, 
Limochores taumas fq, Pholisora catullus, Polites, Thanaos juve- 
nalis, Thorybes pylades; Noctu.: Plusia simplex. 
LILIACEAE 
Asparagus officinalis (int).—7 visitors observed, May 11- 
August 5; Ma, Y. 
Long-tongued Bees (2)—Ap.: Apis; Megachil.: Anthemois 
3 , se, ab. 
Short-tongued Bees (3, 9)—Halict.: Chloralictus versatus se, 
zephyrus se, Oxystoglossa similis e¢. 
Camassia esculenta (9: 266-7).—Blooms April 22—May 28; 48 
visitors observed, April 29—May 24; Mi (Ma), R. 
Long-tongued Bees (15)—Ap.: Apis ab; Bomb. (2): Bombias 
auricomus, separatus, Bombus americanorum, impatiens; Ceratin.: 
Ceratina ¢, Zaodontomerus 3’; Megachil.: Osmiini: Ceratosmia Q, 
Osmia pumila § 9; Megachilini: Megachile mendica ¢ 9; Nomad.: 
Centrias americanus 4, Holonomada affabilis 2, superba ¢ 9, fq; 
Eucer.: Tetralonia belfragei, 3, dilecta ¢ 9, faq. 
Short-tongued Bees (11, 2)—Halict.: Agapostemon viridulus, 
Chloralictus pilosus se, ab, pruinosus se, fq, versatus se, fq, Curtis- 
apis forbesii, Evylaeus pectoralis fq, Halictus lerouxii sc, Odonta- 
lictus se, Oxystoglossa confusa, similis, Seladonia se, ab. 
Other Hymenoptera (4)—Vesp.: Polistes variatus; EHumen.: 
Ancistrocerus tigris, Leionotus clypeatus; Pompil.: Anoplius illi- 
noensis. 
Diptera (12)—Syrph.: Eristalis dimidiatus, Orthoneura nitida, 
pictipennis, Paragus bicolor, Syritta; Tachin.: Linnaemyia; 
Sarcophag.: Cynomyia, Helicobia helicis; Musc.: Lucilia sericata, 
Phormia regina; Anthomy.: Phorbia acra, platura. 
