CHARLES ROBERTSON 139 
Lepidoptera (5)—Nymphal.: Charidryas, Vanessa atalanta, 
huntera; Papilion.: Eurymus fq; Hesperi.: Pholisora catullus. 
Coleoptera (1)—Coccinell.: Hippodamea 15-maculata. 
Erythronium albidum (5: 69-71).—Blooms March 17—May 2; 
28 visitors observed, March 24—April 22; Mi, W. 
Long-tongued Bees (11)—Ap.: Apis se, ab; Bomb.: Bombus 
impatiens 9; Ceratin.: Ceratina ¢'; Megachil.: Centrosmia ¢, Cera- 
tosmia <', fq, Osmia collinsiae ¢ pumila ¢ 9, ab; Nomad. (4): 
Xanthidium dentariae, luteoloides, luteolum; ZLucer.: Tetralonia 
belfragei 3, fq. 
Short-tongued Bees (9)—Halict. (2) : Chloralictus pilosus, ver- 
satus sc, type, Halictus lerouxii, Seladonia; Collet.: Colletes in- 
aequalis ¢, ab; Andren.: Andrena carlini ¢ 9, se, ab, erythronii 
ob 2, se, ab, type, sayi J 2, se, Trachandrena mariae 9. 
Diptera (4)—Syrph.: Brachypalpus frontosus f, n, Eristalis 
dimidiatus; Bombyli.: Bombylius major; Musc.: Pseudopyrellia 
fq, n. 
Lepidoptera (3)—Papilion.: Eurymus, Pieris; Hesperi.: 
Thanaos juvenalis. 
Hemiptera (1)—Caps.: Lygus n. 
Lilium superbum.—Blooms June 15—July 17; 3 visitors ob- 
served, July 2; Ma, R. 
Lepidoptera.—Nymphal.: Anosia, Argynnis; Papilion.: Eu- 
phoeades. 
Melanthium virginicum (9: 273-4).—Blooms June 12—July 11; 
30 visitors observed, June 27—July 5; Mi, W. 
Short-tongued Bees (1)—Halict.: Chloralictus versatus 9, n. 
Other Hymenoptera (3)—Sphec.: Ammobia ichneumonea; 
Chalcid.: Perilampus triangularis n; Tenthredin.: Hylotoma 
humeralis. 
Diptera (19)—Stratiomy.: Stratiomyia meigenii; Syrph. (n): 
Mesogramma marginata, Sphaerophoria, Syritta; Empid.: Parempis 
n; Tachin.: Archytas aterrima, Cistogaster occidua, pallasii, Eu- 
phorocera claripennis, Linnaemyia, Paradidyma n, Trichopoda pen- 
nipes; Sarcophag.: Sarcophaga cimbicis; Musc.: Lucilia caesar, 
Musca, Pseudopyrellia; Anthomy.: Anthomyiella n, Calythea n; 
Oscin.: Chlorops mellea n. 
Lepidoptera (1)—Lycaen.: Cyaniris n. 
Coleoptera (6)—Chrysomel.: Diabrotica atripennis n; Curcu- 
lion.: Centrinites fq, n; Lampyr.: Photinus; Mordell.: Mordella 
marginata n, melaena fq, n; Scarabae.: Trichius piger, fq. 
