CHARLES ROBERTSON 211 
Long-tongued Bees (14)—Megachil.: Alcidamea simplex 9, 
Ceratosmia 2; Ceratin.: Ceratina 9, Zaodontomerus ¢; Bomb: 
Bombias separatus 2; Ap.: Apis; Nomad.: Centrias americanus ¢ 9, 
Gnathias cuneatus ?, ovatus 9, Holonomada affabilis 9, Nomada 
cressonii ¢', denticulata 9, sayi 2, Xanthidium luteolum 9. 
Short-tongued Bees (33)—Prosopid.: Prosopis illinoensis ¢ 9, 
pygmaea ¢ 9, ab, saniculae 9, sayi 2, ab, ziziae ¢ 9; Collet.: Col- 
letes aestivalis ¢'; Halict. (2): Augochlora fervida, Chloralictus 
nymphaearum, sparsus sc, fq, tegularis, versatus se, zephyrus, 
Evylaeus foxii se, pectoralis, 4-maculatus sc, Odontalictus fq, Oxy- 
stoglossa confusa, pura, similis sc, ab, Seladonia fq; Spheecodini; 
Machaeris stygia 9, Proteraner 4’, Sphecodes arvensis 2, Spheecodium 
pimpinellae 9, type; Andren.: Andrena nasonii ¢ 9, se, ab, Opan- 
drena cressonii ¢ 9, sc, personata ¢ 9, se, fq, serotina ¢ 9, se, ziziae 
9, se, ab, Trachandrena claytoniae ¢ 9, sc, crataegi ¢ 9, se, heraclei 
9, nuda 9. 
Other Hymenoptera (21)—Crabron.: Clytochrysus, Solenius, 
Xestocrabro trifasciatus ; Sphec.: Chalybion, Sceliphron, Sphex vul- 
garis; Pompil.: Anoplius illinoensis; Zumen.: Ancistrocerus tigris, 
Eumenes fraternus, Leionotus anormis, clypeatus, foraminatus, his- 
trionalis, illinoensis, scrophulariae, Symmorphus debilis; Tiphs.: 
Tiphia clypeata; Chrysid.: Chrysis intricata; Evani.: Foenus in- 
certus; Ichneumon.: Angitia, Pharsalia. 
Diptera (34)—Stratiomy.: Nemotelus; Bombyli.: Anthrax sinu- 
osa f, Toxophora; Empid.: Empis levicula, Parempis; Syrph.: 
Baccha fuscipennis, Chilosia petulea, Mesogramma geminata, mar- 
ginata, Orthoneura nitida, Sphaerophoria, Syritta fq, Syrphus 
americanus, ribesii; Conop.: Oncomyia, Zodion fulvifrons; Tachin.: 
Cistogaster occidua, Leucostoma nigricornis, Linnaemyia, Ocyp- 
tera lata, tenuis, Peleteria, Trichophora; Sarcophag.: Helicobia 
helicis, Musc.:; Lucilia sericata, sylvarum; Anthomy.: Coenosia an- 
tica; Ortal.: Rivellia pallida; Sapromyz.: Sapromyza vulgaris; 
Seps.: Sepsis; Oscin.: Chlorops assimilis, mellea, Elachiptera flavida 
fq, Hippelates plebejus. 
Lepidoptera (1)—Nymphal.: Charidryas. 
Coleoptera (9)—Hister.: Hister subrotundus; Malach.: Antho- 
comus; Chrysomel.: Babia; Bruch.: Bruchus bivulneratus, hibisei ; 
Mordell.: Mordella marginata, Mordellistena aspersa; Curculion.: 
Centrinites, Limnobaris. 
Hemiptera (1)—Corimelaen.: Corimelaena lateralis. 
Thaspium aureum atropurpurem (12: 454).—Blooms May %- 
July 1; one visitor observed, June 9; Mis, R. 
Diptera.—Empid.: Empis loripedis. 
