CHARLES ROBERTSON 41 
Cerceris clypeata fq, compacta, fumipennis, Philanthus punctatus 
fq; Vesp.: Polistes annularis, pallipes, variatus; Ewmen.: Ancistro- 
cerus tigris, Eumenes fraternus ab, Leionotus anormis, arvensis, 
dorsalis, foraminatus ab, fulvipes, histrionalis, illinoensis fq, 
megaera, perennis, 4-sectus, scrophulariae, ziziae, Monobia, Zethus ; 
Oxybel.: Notoglossa frontalis; Larr.: Notogonidea, Tachytes auru- 
lentus; Pompil.: Episyron, Lophopompilus philadelphicus fq, 
Poecilopompilus navus, Priocnemoides unifasciatus, 
Diptera (37)—Culic.: Aédes; Stratiomy.: Nemotelus, Stratio- 
myia meigenii: Syrph.: Eristalis tenax, transversus, Helophilus 
laetus, Mallota cimbiciformis, Mesogramma geminata ab, marginata, 
Milesia, Orthoneura nitida ab, Pipiza nigribarba, Spilomyia longi- 
cornis, Syritta ab, Tropidia albistylum, quadrata; Empid.: Parem- 
pis ab; Bombyli.: Exoprosopa fascipennis; Conop.: Conops xantho- 
pareus, Oncomyia; Tachin.: Archytas analis fq, aterrima, Belvosia 
bifasciata, unifasciata, Cyphocera, Linnaemyia, Ocyptera dosiades, 
tenuis, Phorantha magna, Siphona, Spallanzania, Trichopoda pen- 
nipes, Trichophora, Xanthomelana; Musc.: Compsomyia, Lucilia 
caesar, Pseudopyrellia fq. 
Lepidoptera (1)—Lycaen.: Cyaniris. 
Coleoptera (2)—Mordell.: Mordella marginiata, Mordellistena 
pubescens. 
On seven days, July 13-27, 1909, the following 87 species and 
1,052 individuals were taken on the flowers: 
Long-tongued Bees (6:21)—Ap.: Apis 12; Bomb.: Bombias 
separatus 1, Bombus consimilis 1, impatiens 5; Megachil.: Oligo- 
tropus 1; Eucer.: Melissodes bimaculata 1. 
Short-tongued Bees (25: 781)—Halict.: Agapostemon radiatus 
26, Augochlora fervida 1, viridula 73, Chloralictus coreopsis 1, 
eressonii 7, obscurus 29, sparsus 220, tegularis 6, versatus 69, 
zephyrus 17, Curtisapis forbesii 2, Evylaeus foxii 1, pectoralis 9, 
4-maculatus 3, Halictus lerouxii 15, paralellus 4, Oxystoglossa con- 
fusa 84, pura 22, similis 163, Seladonia 2; Sphecodini: Sphecodes 
arvensis 2, heraclei 1; Prosopid.: Prosopis sayi 16, ziziae 6; Collet.: 
Colletes nudus 2. , 
Other Hymenoptera (30: 104)—Sphec.: Ammobia ichneumonea 
2, pennsylvanica 1, Isodontia apicalis 1, Sphex gracilis 2, nigricans 
4, vulgaris 4; Scoli.: Elis obscura 1, 5-cincta 3, Scolia bicineta 3; 
Philanth.: Cerceris clypeata 5, compacta 2, fumipennis 1, Philan- 
thus punctatus 3; Vesp.: Polistes pallipes 2, variatus 1; Eumen.: 
Ancistrocerus tigris 1, Eumenes fraternus 15, Leionotus arvensis 3, 
foraminatus 31, fulvipes 3, histrionalis 1, perennis 1, 4-sectus 2, 
serophulariae 1, Monobia 2, Zethus 2; Larr.: Notogonidea 1, 
