CHARLES ROBERTSON 99 
Birds (1)—Trochil.: Trochilus. 
Long-tongued Bees (6)—Bomb.: Bombus americanorum 9%, fq, 
consimilis 9 %; Eucer.: Melissodes bimaculata 9, Peponapis ¢ 9, 
Xenoglossa 9; Emphor.: Melitoma ¢ 9, se, ab. 
Short-tongued Bees (1)—Halict.: Agapostemon viridulus 9. 
Lepidoptera’ (1)—Sphing.: Deilephila. 
CoRNACEAE 
Cornus amomum.—Blooms May 29—July 26; 96 visitors ob- 
served, May 29-June 11; Mis, W. 
Long-tongued Bees (9)—Ap.: Apis se, fq; Bomb.: Bombias sep- 
aratus 9, Bombus americanorum 2, sc; Ceratin.: Ceratina ¢ 9, se, 
fq; Megachil.: Megachile brevis 2; Xylocop.: Xylocopa Q, se; 
Nomad.: Holonomada affabilis ¢, fq; Eucer.: Tetralonia rosae 4’; 
Anthophor.: Anthemoessa . 
Short-tongued Bees (23)—Halict. (2): Agapostemon radiatus 
se, fq, viridulus se, Augochlora fervida, Chloralictus pilosus se, 
pruinosus, tegularis, versatus se, fq, Curtisapis forbesii, Evylaeus 
pectoralis sec, Halictus parallelus, Odontalictus se, Oxystoglossa 
confusa, similis se; Prosopid.: Prosopis illinoensis 2, pygmaea ¢’; 
Andren.: Andrena platyparia ¢ 9, se, sayi 9, se, fq, Opandrena 
cressonii 2, se, fq, miserabilis 2, Trachandrena claytoniae 9, crataegi 
2, heraclei 2, se, fq, hippotes 9. 
Other Hymenoptera (15)—Sphec.: Isodontia apicalis, Sphex 
nigricans, vulgaris; Philanth.: Cerceris finitima; Vesp.: Polistes 
variatus; Eumen.: Leionotus anormis, arvensis, foraminatus fq, 
illinoensis, leucomelas, ziziae, Zendalia zendaloides; Crabron.: 
Solenius; Oxrybel.: Notoglossa americana, frontalis. 
Diptera (31)—Syrph.: Allograpta, Chrysogaster nigripes, Eris- 
talis dimidiatus, latifrons, transversus, Mallota cimbiciformis, 
Mesogramma marginata, Myiolepta nigra, Orthoneura nitida in cop, 
pictipennis, Sphaerophoria, Syritta; Bombyli.: Argyramoeba albo- 
fasciata f; Conop.: Zodion fulvifrons; Tachin.: Archytas analis, 
aterrima, Belvosia bifasciata, Blepharipeza, Linnaemyia, Phorantha 
purpurascens; Sarcophag.: Calliphora erythrocephala, Helicobia 
helicis, Sarcophaga cimbicis; Musc.: Lucilia caesar, sericata, Pol- 
lenia, Pseudopyrellia; Anthomy.: Anthomyiella, Calythea, Phorbia 
acra fq, platura fq. 
Lepidoptera (16)—Nymphal.: Argynnis, Basilarchia archippus, 
astyanax, Phyciodes, Vanessa atalanta, huntera; Lycaen.: Chryso- 
phanus, Cyaniris; Papilion.: Heraclides, Jasoniades, Laertias; Hes- 
peri.: Atrytone zabulon, Epargyreus, Limochores taumas, Polites; 
Ctenuch.: Scepsis. 
