48 FLOWERS AND INSECTS—XXVI 
cimbicis; Musc.: Morellia; Anthomy.: Limnophora; Oscin.: Chlor- 
ops versicolor. 
Lepidoptera (4)—Nymphal.: Vanessa huntera; Hesperi.: 
Thanaos juvenalis; Noctu.: Drasteria erechtea ; Pyraust.: Loxostege. 
Coleoptera (2, £)—Dermest.: Anthrenus scrophulariae; Oede- 
mer.: Asclera ruficollis. 
On staminate and pistillate flowers (26) :— 
Long-tongued Bees (5)—Ceratin.: Ceratina 0, ab, Zaodonto- 
merus 6; Ap.: Apis; Nomad. (¢ 9, fq) : Gnathias ovatus, Nomada 
sayl. : 
Short-tongued Bees (12)—Halict. (2): Chloralictus pilosus se, 
sparsus se, ab, versatus se, ab, zephyrus, Halictus lerouxii ab, Odon- 
talictus sc, ab, Oxystoglossa confusa fq, similis se, fq, Seladonia se, 
ab; Sphecodini: Sphecodes minor; Andren.: Parandrena 9, Trach- 
andrena claytoniae ¢. 
Diptera (7)—EHmpid.: Rhamphomyia priapulus; Syrph.: Meso- 
gramma marginata in cop, fq, Sphaerophoria fq; Tachin.: Gonia 
ecapitata ab; Musc.: Lucilia caesar, Pseudopyrellia; Anthomy.: 
Phorbia platura. 
Lepidoptera (2)—Lycaen.: Cyaniris; Papilion.: EKurymus. 
On pistillate flowers (21) :— 
Long-tongued Bees (3)—Nomad.: Heminomada ., Phor ¢, 
Xanthidium luteolum 9. 
Short-tongued Bees (11)—Halict. (2): Chloralictus pruinosus, 
Evylaeus arcuatus, pectoralis; Sphecodini: Sphecodium cressonii ; 
Andren.: Andrena erythrogastra J, illinoensis ¢ 9, fq, nigrae 9, 
salictaria 4, ab, sayi 9, Opandrena miserabilis 3, Trachandrena 
forbesii ¢. 
Other Hymenoptera (1)—Chrysid.: Holochrysis hilaris. 
Diptera (5)—Bombyli.: Bombylius major; Syrph.: Paragus 
bicolor ; Tachin.: Euphorocera claripennis, Gonia exul; Anthomy.: 
Phorbia acra. 
Lepidoptera (1)—Hesperi.: Thanaos brizo. 
Anthemis cotula (int).—Blooms May 17—October 24; 7 visitors 
observed, June 21, 22; Mis, W. 
Short-tongued Bees (5)—Halict.: Chloralictus sparsus 9, se; 
Halictus lerouxii 9, Odontalictus 9, sc, fq, Oxystoglossa similis 9, 
se, Seladonia ¢ 9. 
Diptera (2)—Empid.: Parempis; Conop.: Oncomyia. 
Arctium minus (int)—Blooms July 7—October 24; 19 species 
and 44 individuals observed, July 21-September 8; Mas, R. 
