120 FLOWERS AND INSECTS—XXVI 
Lepidoptera (8, n)—Papilion.: Eurymus, Pieris, Pontia; Hes- 
pert.: Ancyloxypha, Atrytone delaware, Limochores taumas, Pholi- 
sora hayhurstii, Polites. 
Pycnanthemum flexuosum (14: 107).—Blooms June 19-Sep- 
tember 12; 268 visitors observed, June 19—August 3; Mis, W. 
Long-tongued Bees (44)—Ap.: Apis ab; Bomb.: Bombias auri- 
comus 6 2 Y, se, fq, in cop, type, scutellaris $, separatus ¢ 9 9, 
se, fg, Bombus americanorum ¢ 9? 9, impatiens 9, 9, Psithyrus 
laboriosus 2, variabilis 2; Ceratin.: Ceratina 2; Stelid.: Stelidium 
2, type; Megachil.: Osmiini: Alcidamea simplex 9; Megachilini: 
Megachile brevis ¢ 9, fq, generosa ¢' 9, mendica ¢ 9, ab, petulans 
do 2, se, fq, Oligotropus J, Sayapis sayi J 9, fq, Xanthosarus J 9; 
Coelioxyini: Coelioxys alternata ¢', germana ¢' 9, modesta , 8-den- 
tata gj 9, ab, sayi J 9, fq; Nomad.: Cephen 2; Pasit.: Holeopasites 
illinoensis ¢ 9; Hpeol.: Epeolus bifasciatus %, fq, lectoides 9, type, 
Triepeolus concavus ¢ 9, fq, concolor ¢ 9, ab, cressonii ¢, lunatus 
3 , fg, nevadensis ¢ 9, remigatus ¢ 9, fq, simplex ¢; Melect.: 
Melecta j'; Eucer.: Anthedon ¢' 2, Epimelissodes illinoensis 9, 
obliqua J 9, fq, Florilegus 2, Melissodes agilis ¢' 2, bimaculata ¢ 2, 
ab, comptoides 4, cereopsis 9, variabilis ¢. 
Short-tongued Bees (38)—Halict.: Agapostemon radiatus ¢ 9, 
ab, texanus 9, Augochlora fervida ¢ 9, se, viridula ¢ 9, Chloral- 
ictus pilosus ¢', pruinosus 0, sparsus 9°, tegularis 9, se, versatus ¢ , 
se, fq, Curtisapis forbesii ¢ 9, fq, Evylaeus arcuatus , pectoralis 
3 2, se, Halictus lerouxii ¢ 9, ab, parallelus ¢ 9, fq, Odontalictus 
3 9, ab, Oxystoglossa confusa J 9, similis ¢' 9, fq, Seladonia ¢ 9; 
Sphecodini: Dialonia 9, Machaeris stygia ¢ 9, ab, Proteraner , 
Sphecodes arvensis ¢ 9, ab, heraclei ¢, minor 9, Sphecodium eres- 
sonii 9, pyenanthemi 9, type; Prosopid.: Prosopis pygmaea 9, fq, 
sayi J, ziziae ¢' 9, fq; Collet.: Colletes eulophi ¢ 9, fq, latitarsis 
3 2, nudus J 9, type, similis 2, type, willistonii ¢ 9, ab; Nomi: 
Paranomia ¢ ?, ab; Andren.: Trachandrena obscura 9, type, quin- 
tilis 9, fq, type; Panurg.: Calliopis andreniformis 9. 
Other Hymenoptera (89)—Sphec.: Ammobia ichneumonea fa, 
nuda, pennsylvanica, Isodontia apicalis, Palmodes, Priononyx at- 
rata fq, thomae, Sceliphron, Sphex gracilis in cop, nigricans fq, 
pictipennis, procera; Bembic.: Bembix nubillipennis fq, spinolae, 
Bicyrtes 4-fasciata fq, ventralis, Megastizus, Stictia, Stictiella fq, 
Stizus; Scolt.: Campsomeris, Elis interrupta, obscura ab, 5-cincta 
ab, thoracica, Scolia bicineta, nobilitata; Philanth.: Cerceris bicor- 
nuta, clypeata, compacta, compar, finitima, fumipennis, robertsonii, 
rufinoda, Eucerceris, Philanthus punctatus fq, ventilabris fq; 
