No. 397.1 VISITORS OF THE CAPRIFOLIACE. 41 
bæidæ : (10) Hoplia trifasciata Say; (11) Macrodactylus sub- 
spinosus Fab. 
Hemiptera — one species. Waldoboro, July 6-10. 
Viburnum cassinoides L. Withe Rod. 
The structure of the flowers is very similar to that of the 
preceding species. The perfume is distinct, and the flowers 
contain honey. 
Visitors: Hymenoptera — Andrenide: (1) Andrena vicina 
Sm., 9; (2) Halictus palustris Rob., 9. 
Lepidoptera — Rhopalocera : (3) Lycena pseudargiolus Boisd. 
& Lec, 
Diptera — Syrphide: (4) Spherophoria cylindrica Say; (5) 
Syrphus ribesii L.; Empidide: (6) Empis pubescens Loew; 
(7) Rhamphomyia luteiventris Loew ; Sapromyzidz : (8) Sapro- 
myza longipennis Fab. 
Coleoptera — Elateride: (9) Agriotes stabilis Lec.; (10) A. 
fucosus Lec.; Lampyridze : (11) Telephorus fraxini Say ; Ceram- 
bycide: (12) Leptura mutabilis Newm. ; (13) Pachyta monti- 
cola Rand; (14) Molorchus bimaculatus Say ; Cistellidae : (15) 
lsomira quadristriata Coup. Waldoboro, June 26-28. 
In V. pubescens Pursh and V. prunifolium L. the flowers are 
homogamous, and spontaneous self-fertilization and geitonog- 
amy may occur. (Robertson, Bot. Gaz., Vol. XXV, No. 4.) 
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V. prunifolium, Illinois, Rob. . | 9 | 26; 2 |17 13 7 |76| April 24-29 
V. pubescens, Illinois, Rob. ...| 6 | 21 7113| 7/18] 2 |73, May 4-9 
F. opulus, Germany, Müller. . . I 6l t] Ll-7 6 
V. ainifolium, Maine... ..... 3| 2 2| 6 15 | May 9-19 
F. lentago, Maine .......... r6 7| 1| 1| 5| 1 |22| June 16-21 
V. cassinoides, Maine ....... 2 2| 2| 1| 7| 1 |15| June 26-28 
V. dentatum, Maine ....... | 2 2 7 | 11 | July 6-10 
d f 
An examination of the table shows that the most important 
visitors are Andrenidæ, flies, and beetles, to which the inflo- 
