100 FLOWERS AND INSECTS—XXVI 
Coleoptera (2)—Curculion.: Centrinus scutellum-album; Mor- 
dell.: Mordella marginata in cop. 
June 1, 1911, the following 34 species and 97 individuals were 
taken on the flowers: 
Long-tongued Bees (4:21)—Ap.: Apis. 4; Bomb.: Bombus 
americanorum 6; Ceratin.: Ceratina 10; Xylocop.: Xylocopa 1. 
Short-tongued Bees (16: 56)—Halict.: Agapostemon radiatus 4, 
viridulus 13, Chloralictus pilosus 2, tegularis 1, versatus 3, Cur- 
tisapis forbesii 1, Evylaeus pectoralis 3, Halictus parallelus 2, 
Oxystoglossa confusa 1, similis 2; Prosopid.: Prosopis illinoensis 1; 
Andren.: Andrena platyparia 4, sayi 7, Opandrena cressonii 2, 
miserabilis 3, Trachandrena heraclei 7. 
Other Hymenoptera (2:5)—KHumen.: Leionotus foraminatus 1; 
Oxybel.: Notoglossa americana 4. 
Diptera (6:7)—Syrph.: Allograpta 1, Chrysogaster nigripes 1, 
Eristalis transversus 2; Bombylt.: Argyramoeba albofasciata 1; 
Sarcophag.: Sareophaga cimbicis 1; Anthomy.: Phorbia platura 1. 
Lepidoptera (5:7)—Nymphal.: Argynnis 1; Papilion.: Hera- 
clides 1, Jasoniades 3, Laertias 1; Hespert.: Epargyreus 1. 
Coleoptera (1:1)—WMordell.: Mordella marginata 1. 
Cornus florida (10: 232-3).—Blooms April 22—-May 8; 29 vis- 
itors observed on April 23; Mis, W. 
Long-tongued Bees (3)—Bomb.: Bombias separatus 2; Mega- 
chil.: Osmia pumila 9, se; Nomad.: Nomada illinoensis ¢. 
Short-tongued Bees (15)—alict. (2): Agapostemon radiatus, 
Chloralictus obscurus se, pilosus se, sparsus se, fq, versatus, zephy- 
rus, Curtisapis coriacea, Evylaeus foxii sec, Oxystoglossa confusa se, 
pura se, Seladonia se, fq; Andren.: Andrena carlini 9, Opandrena 
miserabilis ¢ 9, se, fq, Trachandrena claytoniae 9, se, fq, rugosa ¢ 9. 
Other Hymenoptera (2)—Vesp.: Polistes pallipes; Humen.: 
Leionotus foraminatus. 
Diptera (7)—Syrph.: Criorhina umbratilis, Mesogramma mar- 
ginata; Empid.: Empis humilis fq; Bombylt.: Bombylius major fq, 
pulchellus; Zonchae.: Lonchaea aberrans. 
Lepidoptera (1)—Hespert.: Thanaos juvenalis. 
Coleoptera (1)—Cerambyc.: Molorchus. 
Cornus paniculata (10: 233-5).—Blooms May 12—June 24; 82 
visitors observed, May 12—June 8; Mis, W. 
Long-tongued Bees (7)—Ap.: Apis se, fq; Bomb.: Bombias 
auricomus 9, c, Bombus americanorum 9, ec; Ceratin.: Ceratina 
9, se; Nomad.: Holonomada affabilis 9, superba 9; Eucer.: Tet- 
ralonia dilecta ¢ 9, se. 
