122 FLOWERS AND INSECTS—XXVI 
Pycnanthemum pilosum (14:106)—Blooms July 5—Septem- 
ber 8; 113 visitors observed, July 21-August 29; Mis, W. 
Long-tongued Bees (17)—Ap.: Apis ab; Bomb.: Bombus ameri- 
canorum 9; Ceratin.: Ceratina 2; Megachil.: Megachilini: Megachile 
brevis , mendica ¢, petulans 4, fp, Xanthosarus d'; Coelioxyini 
(J): Coelioxys germana fq, 8-dentata, sayi; Epeol.: Epeolus 
bifasciatus ¢' 2, ab, Triepeolus concavus ¢' 9, fq, remigatus 2, faq, 
simplex ¢; Hucer.: Epimelissodes obliqua 7, Melissodes agilis 0, 
comptoides 5 2, ab. | 
Short-tongued Bees (16)—AHalict.: Agapostemon radiatus J, 
ab, Augochlora viridula ¢ 9, fq, Chloralictus pilosus 9, sparsus Q, 
se, ab, versatus ¢ 9, se, ab, zephyrus 9, Evylaeus arcuatus ¢ Q, 
pectoralis 9, Halictus lerouxii ¢ 9, ab, parallelus ¢ 2, fq, Odontal- 
ictus ¢ 9, ab, Seladonia ¢ 9, ab; Sphecodini: Sphecodes arvensis ¢ 
°, fq, Sphecodium cressonii ¢'; Prosopid.: Prosopis ziziae 9; Pan- 
urg.: Calliopsis andreniformis ¢ 9, se, fq. 
Other Hymenoptera (43)—Sphec.: Ammobia ichneumonea, 
nuda, Isodontia apicalis, Priononyx atrata, Sphex gracilis fq, nigri- 
cans, pictipennis fg, procera, vulgaris; Bembic.: Bembix nubilli- 
pennis ab, Bicyrtes 4-fasciata, ventralis, Stictia, Stictiella; Scolv.: 
Elis interrupta, 5-cineta ab, Scolia bicinecta; Philanth.: Cerceris 
compacta, frontata, fumipennis fq, Eucerceris, Philanthus pune- 
tatus fq, ventilabris fq; Vesp.: Polistes variatus; Ewmen.: Leio- 
notus anormis, arvensis, dorsalis, foraminatus ab, fundatus, his- 
trionalis, molestus fq, scrophulariae, vagus fq, Pterochilus, Zendalia 
zendaloides type; Crabron.: Anacrabro, Solenius; Oxybel.: Noto- 
glossa frontalis; Larr.: Tachytes aurulentus, elongatus, mandib- 
ularis; Pompil.: Prioenemoides fulvicornis; Chrysid.: Hedychrum 
wiltii. 
Diptera (31)—Stratiomy.: Stratiomyia meigenii; Syrph.: 
Eristalis dimidiatus, tenax, transversus, Syritta ab; Bombyli.: 
Anthrax fulvohirta, Exoprosopa emarginata, fascipennis ab, Geron 
rufipes, Systoechus; Conop.: Conops xanthopareus fq, Oncomyia, 
Physocephala tibialis, Zodion fulvifrons, obliquefasciatum ; Tachin.: 
Archytas analis ab, aterrima, Cistogaster occidua, pallasii, Ocyptera 
tenuis, Phorantha magna, purpurascens, Senotainia trilineata, 
Siphona, Spallanzania, Trichopoda pennipes, Trichophora; Sar- 
cophag.: Helicobia helicis; Musc.: Compsomyia, Phormia regina, 
Stomoxys. 
Lepidoptera (4)—Nymphal.: Phyciodes; Papilion.: Pontia; 
Hespert.: Epargyreus, Thanaos martialis. 
Coleoptera (2)—Rhipiphor.: Rhipiphorus dimidiatus in cop, 
limbatus. 
