CHARLES ROBERTSON 169 
Fragaria virginiana illinoensis (15: 440).—Blooms April 13- 
June 11; 57 visitors observed, April 25-May 15; Mi, W. 
Long-tongued Bees (12)—Ap.: Apis; Bomb.: Bombus im- 
patiens 9; Ceratin.: Ceratina gi 2, se, fq; Megachil.: Osmiini: 
Osmia atriventris ¢ 9, se, illinoensis ¢, pumila 9, se; Coelioxyini: 
Coelioxys 8-dentata ¢; Nomad.: Gnathias ovatus 2, Holonomada 
superba 4, Nomada illinoensis 2; Melect.: Bombomelecta 2; Eucer.: 
Tetralonia dilecta ¢. 
Short-tongued Bees (15)—Halict. (2): Chloralictus pilosus 
se, fq, tegularis, versatus sc, fq, Evylaeus pectoralis se, fq, Odon- 
talictus se, Oxystoglossa confusa se, pura se, similis se, ab, Seladonia 
se, ab; Sphecodini: Machaeris stygia; Prosopid.: Prosopis pygmaea 
Q, ziziae g; Andren.: (2, sc): Andrena nasonii fq, Opandrena 
eressonii, Trachandrena forbesii. 
Other Hymenoptera (1)—Vesp.: Polistes variatus. 
Diptera (21)—Stratiomy.: Nemotelus; Syrph.: Eristalis trans- 
versus, Helophilus similis, Mesogramma marginata, Orthoneura 
pictipennis fq, Paragus bicolor fq, Sphaerophoria fq, Tropidia 
mamillata; Empid.: Empis humilis, Rhamphomyia priapulus; 
Bombyli.: Bombylius pulchellus; Conop.: Myopa vesiculosa, Zodion 
fulvifrons; Tachin.: Gymnosoma, Peleteria; Sarcophag.: Helicobia 
helicis, Sarcophaga sinuata fq; Musc.: Lucilia caesar, sylvarum; 
Anthomy.: Phorbia acra, platura. 
Lepidoptera (7)—Nymphal.: Phyciodes; Lycaen.: Everes; 
Papilion.: Eurymus, Pieris; Hesperi.: Pholisora catullus, Thanaos 
juvenalis; Noctu.: Plusia simplex. 
Hemiptera (1)—WNab.: Coriseus. 
Geum canadense (15: 439).—Blooms June 18—-September 27; 
22 visitors observed, July 6-11; Mi, W. 
Long-tongued Bees (1)—Pasit.: Holeopasites illinoensis 9. 
Short-tongued Bees (9)—Halict.: Chloralictus pilosus Q, 
pruinosus 9, sec, sparsus 9, se, tegularis 2, versatus 2, se, Oxysto- 
glossa similis ¢ 9, se, Seladonia ¢; Prosopid.: Prosopis pygmaea ¢; 
Panurg.: Calliopsis andreniformis ¢. 
Other Hymenoptera (6)—Philanth.: Cerceris compacta; 
Eumen.: Eumenes fraternus, Leionotus histrionalis, ziziae; Cre- 
bron.: Solenius; Chrysid.: Hedychrum violaceum. 
Diptera (3)—Syrph.: Mesogramma marginata; Tachin.: Ocyp- 
tera dosiades ; Sarcophag.: Helicobia helicis. 
Coleoptera (2)—Cerambyc.: Euderces ; Mordell.: Mordella mar- 
ginata. 
Hemiptera (1)—Corimelaen.: Corimelaena pulicaria. 
