CHARLES ROBERTSON 93 
Chrysid.: Hedychrum wiltii ab; Chalcid.: Perilampus cyaneus; 
Ichneumon.: Ceratosoma fq; Bracon.: Microdus. 
Diptera (17)—Syrph.: Mesogramma marginata, Syritta; Em- 
pid.: Parempis; Bombyli.: Exoprosopa fascipennis fq; Conop.: 
Zodion obliquefasciatum; T'achin.: Alophora aeneoventris, Cisto- 
gaster occidua, Gymnosoma, Gymnoprosopa, Phorantha magna, 
pruinosa, Senotainia rubriventris, trilineata fq, Siphoplagia anom- 
ala, flaccidirostris; Sarcophag.: Helicobia helicis; Sareophaga 
hunteri. 
Coleoptera (4)—Chrysomel.: Diabrotica 12-punctata f; Lam- 
pyr.: Chauliognathus pennsylvanicus; Melo.: Epicauta pennsyl- 
vanica f, ab, n; Rhipiphor.: Myodites. 
Hemiptera (1)—Lygae.: Lygaeus. 
July 30, 1909, the following 13 species and 32 individuals were 
taken on the flowers: 
Long-tongued Bees (1: 1)—Megachil.: Coelioxys 8-dentata 1. 
Short-tongued Bees (3: 19)—Halict.: Chloralictus sparsus 4, 
versatus 10; Prosopid.: Prosopis pygmaea 5. 
Other Hymenoptera (5: 5)—Sphec.: Sphex vulgaris 1; Phi- 
lanth.: Cerceris finitima 1; Zwmen.: Leionotus histrionalis 1; Oxry- 
bel.: Notoglossa americana 1; Nysson.: Silaon 1. 
Diptera (4: 7)—Syrph.: Mesogramma marginata 1, Syritta 3; 
Empid.: Parempis 1; Tachin.: Cistogaster oecidua 2. 
Solidago nemoralis (15: 457).—Blooms September 9—October 
18; 92 visitors observed, September 19—October 9; Mis, Y. 
Long-tongued Bees (8)—Ap.: Apis se, ab; Bomb.: Bombias 
auricomus ¢, Bombus americanorum ¢ ? 9, impatiens 4; Ceratin.: 
Ceratina ¢ 2, fq; Megachil.: Neotrypetes truncatus 9, se, Megachile 
brevis 2, sc; Epeol.: Triepeolus cressonii &. 
Short-tongued Bees (15)—Halict.: Chloralictus illinoensis ¢, 
versatus ¢ 9, se, fq, Evylaeus pectoralis 2, Odontalictus 4, Oxysto- 
glossa similis 9, Paralictus platyparius 2; Prosopid.: Prosopis 
pygmaea 9, fq; Collet.: Colletes americanus ¢ 2, sc, ab, armatus ¢ 
9, se, fq, compactus 9, se, fq, eulophi 9, se; Andren.: Andrena nu- 
becula 9, sc, ab, Pterandrena asteris 9, sec; Panurg.: Pseudopanur- 
gus asteris 9, sc, compositarum 9. 
Other Hymenoptera (28)—Sphec. Sphex pictipennis, procera, 
vulgaris; Philanth.: Cerceris clypeata, finitima, kennicottii, Philan- 
thus punctatus; Vesp.: Polistes annularis ab, pallipes fq, rubigino- 
sus, variatus fq; Eumen.: Ancistrocerus catskillensis, tigris, Leio- 
notus anormis, foraminatus, histrionalis; Crabron.: Protothyreopus 
rufifemur, Solenius fq; Ozybel.: Notoglossa frontalis; Pemphre- 
