80 FLOWERS AND INSECTS—XXVI 
Diptera (11)—Syrph.: Eristalis transversus ; Empid.: Parempis 
fq; Bombyli.: Anthrax haleyon, Exoprosopa fasciata, fascipennis, 
Geron calvus fq, rufipes, Sparnopolius, Systoechus; Conop.: Stylo- 
gaster biannulata; Agromyz.: Eusiphona. 
Lepidoptera (4)—Nymphal.: Phyciodes; Lycaen.: Uranotes; 
Papilion.: Pontia; Hespert.: Pholisora catullus. 
Coleoptera (1)—Lampyr.: Chauliognathus pennsylvanicus. 
Hemiptera (1)—Lygae.: Lygaeus. 
Krigia amplexicaulis (15:476).—Blooms May 1-June 19; 68 
visitors observed, May 10—June 15; Mis, Y. 
Long-tongued Bees (17)—Ap.: Apis se, ab; Bomb. (2) : Bombias 
scutellaris, separatus, Bombus americanorum; Ceratin.: Ceratina 
3 9, se, ab; Stelid.: Microstelis ¢'; Megachil.: Osmiini: Alcidamea 
simplex ¢ 9, fq, Gnathosmia 9, sc, Osmia pumila 2; Megachilini: 
Megachile brevis 6; Coelioxyini: Coelioxys 8-dentata J 9; Nomad.: 
Centrias americanus ¢ 9°, fq, Holonomada affabilis ¢ 9, fq, superba 
2, ab, Nomada illinoensis 2; Hpeol.: Epeolus interruptus ¢; Eucer.: 
Tetralonia dilecta ¢ 9, fq. 
Short-tongued Bees (16)—Halict. (2): Agapostemon viridulus 
se, Chloralictus albipennis se, ab, coreopsis sc, pilosus se, ab, ver- 
satus se, ab, Evylaeus pectoralis se, Halictus lerouxii, parallelus, 
Odontalictus sc, ab, Oxystoglossa confusa sc, ab, similis se, ab, 
Seladonia sc; Prosopid.: Prosopis pygmaea ¢ Q, sf, ziziae J, f; 
Collet.: Colletes aestivalis § 9; Andren.: Pterandrena krigiana 
3 2, se, ab, type, oligolege. ; 
Other Hymenoptera (9)—Sphec.: Sphex pictipennis, vulgaris; 
Eumen.: Leionotus anormis ab, clypeatus, foraminatus, histrionalis, 
scrophulariae, ziziae; Crabron.: Solenius. 
Diptera (17)—Syrph.: Eristalis dimidiatus ab, latifrons, tenax, 
transversus, Helophilus latifrons, similis, Mesogramma marginata, 
Sphaerophoria, Tropidia mamillata; Conop.: Oncomyia, Zodion ful- 
vifrons; Tachin.: Cistogaster occidua, pallasii, Ocyptera tenuis; 
Musc.: Lucilia sylvarum, Pseudopyrellia; Anthomy.: Phorbia aera. 
Lepidoptera (5)—Nymphal.: Anosia, Phyciodes; Papilion.: 
Kurymus, Papilio; Hesperi.: Polites. 
Coleoptera (3, f, n)—Chrysomel.: Diabrotica 12-punctata fq; 
Coccinell.: Megilla; Erotyl.: Languria fq. 
Hemiptera (1)—Lygae.: Lygaeus. 
May 18 and 25, the following 33 species and 202 individuals 
were taken on the flowers: 
Long-tongued Bees (5:17)—Ap.: Apis 11; Bomb.: Bombias 
separatus 1, Bombus americanorum 1; Ceratin.: Ceratina 3; Eucer.: 
Tetralonia dilecta 1. 
