74 FLOWERS AND INSECTS—XXVI 
Diptera (9)—Syrph.: Allograpta, Rhingia, Spilomyia longi- 
cornis, Syrphus ribesii; Bombylt.: Exoprosopa fasciata; Tachin.: 
Cistogaster occidua, Paradidyma; Dezv.: Ptilodexia; Musc.: Pseu- 
dopyrellia. 
Lepidoptera (2)—Lycaen.: Cyaniris; Ctenuch.: Scepsis. 
Gnaphalium polycephalum.—Blooms August 8—October 17; 70 
species and 196 individuals observed, September 20-29; Mis, W. 
Long-tongued Bees (1:1)—Ap.: Apis 1. 
Short-tongued Bees (13: 64)—Halict.: Augochlora viridula 9, 
1, Chloralictus obscurus ¢, 4, pilosus 9, 1, sparsus 9, 3, versatus 
3 9, 15, Odontalictus J 2, se, 11, Oxystoglossa confusa 9, 1, similis 
3 &, 8, Paralictus platyparius ¢' 9, 9, Seladonia 9, 2; Prosopid.: 
Prosopis ziziae 9, 2; Collet.: Colletes americanus ¢ 2, 3; Andren.: 
Pterandrena solidaginis ¢ 9, 4. 
Other Hymenoptera (30: 63)—Sphec.: Sphex gracilis 1, picti- 
pennis 1, vulgaris 1; Philanth.: Cerceris clypeata 1, compacta 1, 
finitima 3, fulvipes 1; Vesp.: Polistes annularis 2, pallipes 1; 
Eumen.: Leionotus anormis 1, arvensis 1, clypeatus 17, histrionalis 
3, illinoensis 1, molestus 1; Crabron.: Ectemnius 1, Solenius 2, 
Xestocrabro texanus 2, trifasciatus 1; Oxybel.: Notoglossa fron- 
talis 1; Larr.: Larropsis 1; Pompil.: Lophopompilus philadelphicus 
2, Pompiloides americanus 3, marginatus 1, subviolaceus 2; 
Chrysid.: Gonochrysis 1, Holopyga 3, Tetrachrysis venusta 2; 
Ichneumon.: Metopius polycinctorius 3; Bracon.: Chelonus 2. 
Diptera (22: 54)—Syrph.: Paragus tibialis 1, Syritta 1; Conop.: 
Oncomyia 1; Tachin.: Distichona varia 3, Euphorocera claripennis 
1, Frontina archippivora 1, Gymnosoma 1, Hypostena barbata 1, 
Ocyptera lata 1, Pachyophthalmus signatus 2, Paradidyma 1, Seno- 
tainia rubriventris 1, Siphoplagia anomala 1, Spallanzania 3, Stur- 
mia phyciodis 2, Trichophora 2; Sarcophag.: Helicobia helicis 20, 
Sarcophaga cimbicis 1; Musc.: Compsomyia 1, Lucilia caesar 2, 
Musea 1, Pseudopyrellia 6. 
Lepidoptera (3:9)—Nymphal.: Phyciodes 3; Hesperi.: Atalo- 
pedes 3; Ctenuch.: Scepsis 3. 
Coleoptera (1:5)—Lampyr.: Chauliognathus pennsylvanicus 5. 
Helenium autumnale (15:474-5).—Blooms August 16-Octo- 
ber 22; 35 visitors observed, September 15-23; Mas, Y. 
Long-tongued Bees (15)—Ap.: Apis sc; Bomb.: Bombias scu- 
tellaris ¢, separatus 9, Bombus americanorum ¢ 9, fq, impatiens 
3& ¥, ab; Megachil. (2) : Megachilini: Megachile brevis se, ab, men- 
dica se, Xanthosarus; Coelioxyini: Coelioxys 8-dentata; Epeol.: 
