CHARLES ROBERTSON 119 
Diptera (12)—Syrph.: Eristalis tenax, Helophilus latifrons, 
Rhingia, Sphaerophoria, Syritta; Bombyli.: Anthrax fulvohirta, 
parvicornis; Jachin.: Archytas analis, aterrima, Cyphocera, Linn- 
aemyia, Ocyptera lata. 
Lepidoptera (11)—Nymphal.: Argynnis, Phyciodes, Vanessa 
atalanta, huntera; Papilion.: Eurymus, Pieris, Pontia ab; Hespert.: 
Epargyreus, Pholisora catullus, Thanaos juvenalis, martialis. 
Hemiptera (1)— Lygae.: Lygaeus. 
Nepeta hederacea (int, 14: 117-8).—Blooms March 24—June 
21; 22 visitors observed, March 25—May 20; Ma, R. 
Long-tongued Bees (12)—Ap.: Apis ab; Bomb. (2): Bombus 
americanorum ab, consimilis, pennsylvanicus, ridingsii; Ceratin.: 
Ceratina ¢ 9, ab; Megachil.: Alcidamea simplex ¢, Osmia collinsiae 
do, pumila ¢ 9, fq; Nomad.: Holonomada superba ?, fq; Eucer.: 
Tetralonia dilecta ¢ 2, ab; Anthophor.: Anthemoessa ¢ 9, ab. 
Short-tongued Bees (2, 2?)—Halict.: Augochlora viridula, Oxy- 
stoglossa confusa. 
Diptera (2)—Syrph.: Rhingia; Bombyli.: Bombylius atriceps 
ab. 
Lepidoptera (6, n)—Papilion.: Eurymus ab, Pieris; Hesperi.: 
Atrytone zabulon fq, Pamphila hobomok, Polites; Noctu.: Plusia 
simplex. 
Physostegia virginiana (14: 121-2).—Blooms July 19—October 
10; 7 visitors observed, August 23-September 22; Ma, R. 
Birds (1)—Trochil.: Trochilus 2. 
Long-tongued Bees (4)—Bomb.: Bombus americanorum ¢ 9 ¥, 
20, consimilis %, se, 1; Megachil.: Megachile brevis gf, 1; Eucer.: 
Melissodes bimaculata ¢, 1. 
Lepidoptera (2, n)—Nymphal.: Anosia 1; Papilion.: Eurymus 1. 
Prunella vulgaris (14: 120-1).—Blooms July 6-November 19; 
23 visitors observed, July 11—October 3; Ma, R. 
Long-tongued Bees (9)—Bomb.: Bombias separatus ¢, Bombus 
americanorum %, ab, consimilis %, impatiens ¢ ¥, se, fq; Ceratin.: 
Ceratina 2; Megachil.: Megachile mendica ¢; Eucer.: Melissodes 
bimaculata ¢ 2, comptoides 2; Anthophor.: Clisodon ¢ 9. 
Short-tongued Bees (3, 9)—Halict.: Oxystoglossa confusa, Sela- 
donia n; Panurg.: Calliopsis andreniformis. 
Other Hymenoptera (1)—Scoli.: Scolia bicincta. 
Diptera (2)—Bombyli.: Exoprosopa fasciata ; Tachin.: Archytas 
aterrima. 
