84 FLOWERS AND INSECTS—XXVI 
pugnata ?, sc; Coelioxyini: Coelioxys 8-dentata ¢'; Nomad.: Cen- 
trias americanus ¢ 9; Epeol.: Epeolus interruptus 0, Triepeolus 
concolor 3; Eucer.: Epimelissodes obliqua ¢, Melissodes boltoniae 
©, se, fq, trinodis 9. 
Short-tongued Bees (18)—Halict.: Agapostemon radiatus ¢, 
viridulus 9, se, Chloralictus coreopsis 9, ¢, pilosus ¢ 9, se, pruinosus 
3d, versatus ¢ 92, se, Evylaeus pectoralis ¢' 9, sc, fq, Odontalictus 
9, se, Oxystoglossa confusa 9, sc; Collet.: Colletes eulophi 9, se; 
Andren.: Pterandrena rudbeckiae ¢ 9, se, ab, in cop, type; Panurg. 
(Jb 9, se, ab) : Pseudopanurgus albitarsis in cop, rudbeckiae. 
Other Hymenoptera (7)—Sphec.: Priononyx thomae, Sphex 
nigricans fq, pictipennis; Bembic.: Stictiella; Humen.: Leionotus 
anormis, arvensis; Bracon.: Aenignostomus fq. 
Diptera (31)—Stratiomy.: Odontomyia nigrirostris; Syrph.: 
Allograpta, Eristalis aeneus, dimidiatus, latifrons ab, transversus 
ab, Helophilus latifrons, Mesogramma marginata ab, Paragus 
tibialis sf, Sphaerophoria, Syritta, Tropidia mamillata, Volucella 
fasciata; Empid.: Parempis; Bombyli.: Anthrax parvicornis, 
Exoprosopa decora, emarginata, fascipennis, Geron calvus fq, 
Phthiria cineta fq, sulphurea, Sparnopolius; Conop.: Zodion fulvi- 
frons; Tachin.: Archytas analis, Ocyptera argentea, tenuis ab, Spal- 
lanzania fq, Trichophora; Anthomy.: Coenosia antica, Probos- 
cimyia; Sapromyz.: Sapromyza vulgaris. 
Lepidoptera (12)—Nymphal.: Argynnis, Basilarchia archippus, 
Charidryas, Phyciodes; Lycaen.: Chrysophanus, Thecla calanus; 
Papilion.: Kurymus, Pieris; Hesperi.: Limochores taumas, Polites; 
Ctenuch.: Scepsis; Noctu.: Plusia simplex. 
Coleoptera (6)—Buprest.: Acmaeodera pulchella f; Cerambyc.: 
Typocerus sinuatus sf, fq; Chrysomel.: Diabrotica 12-punctata f; 
Curculion.: Centrinus secutellum-album f; Mordell.: Mordella scutel- 
laris £; Melo.: Macrobasis f. 
Hemiptera (1)—Caps.: Lygus. 
Rudbeckia laciniata (16: 177-8).—Blooms July 17—October 3; 
52 visitors observed, August 13-October 3; Mas, Y. 
Long-tongued Bees (18)—Ap.: Apis sc, ab; Bomb.: Bombias 
scutellaris 9, separatus %, sc, Bombus americanorum ¢ 9%, im- 
patiens ¢' 9, Psithyrus variabilis 2; Ceratin.: Ceratina 9, Zaodon- 
tomerus ¢'; Megachil.: Neotrypetes truncatus ¢; Megachile petulans 
2, se; Epeol.: Epeolus autumnalis § 9, fq, Triepeolus donatus ¢, 
pectoralis ¢ 9, fg; Hucer.: Epimelissodes obliqua 2, se, Melissodes 
autumnalis J, coloradensis J, simillima 4, fq, trinodis ¢ 9, se, fq. 
Short-tongued Bees (8)—Halict.: Chloralictus pilosus 9, Odon- 
talietus ¢' 9, se, fq; Collet.: Colletes compactus ¢ 9, se, fq; Andren.: 
