JULY, 1900. GRAENICHER— FERTILIZATION OF SYMPHORICARPOS, ETC. 143 
(L), MacM. (S. vulgaris, Michx.), a North American species, 
agreeing in most respects with 5. racemosus. His hst refers to 
14 visitors, observed in Macoupin Co., Southern IlHnois, 7 or 50 
per cent, of which are wasps (Vespidae and Eumenidae). 
During the last two seasons, I have taken the following insects 
on the flowers of Syrnphoricarpos racemosus, Michx. 
A. Hymenoptera. 
Apidae : (i) Apis mellifica, L. (2) Bombus american- 
onnn, F. ; (3) B. consimilis, Cr. ^ 9 ; (4) B. fervidus, P. 
9 ; (5) B. pennsylvaniciis, DeG. ? ; (6) B. ternarius, Say. 9 ^; 
(7) B. virginiciis, Oliv. 9; (8) Clisodon terminalis, Cr. 9; (9) 
Megachile latimanus, Say. 9 ; (10) M. melanophaea, Sm. 9; 
{ii)Alcidameaproducta,Cr. ; (12) Osmia alhiventris, Cr. 
(13) O. distincta, Cr. 9 ; (14) 0. simillima, Sm. 9; Andreni- 
dae: (15) Halictus fasciatus, Nyl. 9 ; (16) H. similis, Siii. 9; 
(17) H. inconspicuus, Sm. 9; (18) Agapostemon radiatus, Say. 
9; (19) A. viriduliis, F. 9; (20) ^. splendens, Lep. 9; (21) 
Augochlora vividula, Sm. 9; (22) Andrena hlpunctata, Cr. 9; 
(2^) A. pruni, Rob. 9; (24) A. vicina, Sm. 9; (25) A. zab- 
riskiei, Ashm. (M. S.) 9; (26) Andrena sp. 9 ; (27) Colletes 
aestivalis, Patton 9 ; (28) Prosopis modesta. Say. 9; Vespidae: 
(29) Vespa diabolica, Sauss.; (30) V. vidua, Sauss.; Eume- 
nidae: (2^1) Eumenes fraternus. Say. (32) Odynerus fora- 
minatus, Sauss.; (33) O. philadelphiae, Sauss.; (34) O. tigris, 
Sauss.; Sphecidae : (35) Ammophila vulgaris, Cr. — ; all s. 
B. Diptera. 
Syrphidae: (36) Eristalis bastardi, Macq.; (37) E. dimidi- 
ntus, IV ted.; (38) Helophilus conostomus. Will.; (39) H. simi- 
lis, Macq.; (40) Tropidia quadrata, Say.; Conopidae: (41) 
Zodion fulvifrons, Say.; Tachinidae : (42) Belvosia bifasciata, 
P.; (43) Sturmia albifrons. Walk.; (44) Tachina robusta, Town.; 
(45) Peleteria robusta, Wied.; (46) P. tessellata. P.; (47) 
Archytas analis. P.; Muscidae: (48) Phormia regina, Mg.; 
(49) Lu cilia cornicina, P. — all s. 
C. Lepidoptera. 
Rhopalocera: (50) h/eonyinpha eurytus, P.; (51) Phyciodes 
tharos, Drury ; (52) Anosia plexippus, L.; (53) Lycaena pseu- 
dargiolus, Boisd. — Lee; (54) Thorybes pylades, Scudder; Hete- 
rocera: (55) Alypia octomaculata, Hbn.; (56) Plusia simpler, 
Gn.; (57) Leiicania unipunctata. Haw. — all s. 
D. Coleoptera. 
Scarabaeidae : (58) Trichius piger, P. s. 
This list is made up of a great variety of insects, prominent 
^ Worker; cT Male; 9 Female; s Sucking; c p CoHecting: Pollen; f p Feeding on Pollen. 
