Robertson — Flowers and Insects. 475 
ventris Sm. 9, c. p.; (7) M. aurigenia Cr. ¢', s.; (8) M. perplexa Cr. 9, s. 
and c. p.,ab.; (9) M. confusa Cr. 9, s. and c. p.; (10) Megachile latimanus 
Say 9, 8.; (11) M. brevis Say 9,s. and c. p., ab.; (12) Coelioxys altilis Cr. 
,8.; (13) Epeolus mercatus F. ©, s., ab.; Andrenidae: (14) Agapostemon 
Viridula F. og’, s.; (15) Halictus fasclatas os Q, Ss. and c. p.; (16) 
Colletes compacta Cr. 9, s.andc. p.; Vespida fare! espa germanica F. ; 
(18) Polistes pallipes Lep.; Bembecidae: (19) B mbex fasciata F.; (20) 
Bembedula ventralis Say, freq.; Sphecidae: (21) Amon gryphus Sm.; 
(22) A. intercepta Lep.; (23) a ee ae Lep. — 
Lepidoptera — Rhopalocera: (24) Phyciodes Gite Dro.; ; (25) Colias 
philodice Gdt.; (26) Pamphila cernes e —L.; Heterocera: (27) Scepsis 
fulvicollis Hbn. — all s. 
Diptera— Bombylidae: (28) Anthrax halcyon gb? Neds Sparnopolius 
fulvus Wd.; Syrphidae: (30) Syrphus arcuatus Fll. — 
Coleoptera — Lampyrtd dae: (31) Chauliognathus sis ivcati DeG., 
f. p., ab.; Meloidae: (32) Epicauta pennsylvanica De G., f. p. 
Hemiptera — Pentatomidae: (33) Euschistus fisilis Uhl., s. 
Cyicus autissmuus Willd. — Visitors observed on August 
22nd and 24th : — 
“Sct hang pen (1) Bombus americanorum F, S 8 ;(2) B. penn- 
sylvanicus De G. 8 ; (3) Melissodes desponsa Sm. ¢'—all s. 
Lepidoptera — Rhopalocera: (4) Argynnis cybele F.; (5) Papilio troilus 
— both s. 
Cyicus ALTissimus Willd. v. piscotor Gray. — The follow- 
ing visitors were observed on September 3, 6, 7 and 15: — 
Hymenoptera — Apidae: (1) Bombus separatus Cr. (i, 8.; (2) B. scutel- 
taris Cr. ¥'8, 8. and c. p.; (3) B. pennsylvanicus DeG. J 9 8, 8. andc. p.; 
(4) B. americanorum F. 99 8, 8. and c. 8 . ab.; (5) B. vicina Oliv. 8, 
8. and c. p.; (6) Melissodes desponsa Sm. Q, s. tad c. p., ab.; (7) M. obli- 
qua Say 9,s, and c. p.; (8) Megachile latimanus boy 2,8. “ins P., seni 
Andrenidae: (9) Ooltees eulophi Rob. 9, ¢. p., 
Lepidoptera — Nymphalidae: (10) Argynnis casa’ Dru., 8. 
Diptera — Bombylidae (11) Exoprosopa fasciata Mcq., s. 
Cyicus LANCEOLATUS Hoffm.* — ** Nat. from Eu.’’ — 
Visitors observed on seven days between July 23 and 
October 7: — 
Hymenoptera — Apidae: (1) Bombus americanorum F. ¢'9 §,8.andc. 
P.,ab.; (2) B. virginicus Oliv. 8, s.; (3) B. pennsylvanicus De G. 8 , s.; (4) 
B Separatus Cr. o'8, s., freq.; (5) Melissodes desponsa Sm. ¢' 9, 8. and 
nici, 
oN See Miiller: Fertilization of Flowers, Weitere Beobachtungen & Alpen- 
amen. 
