314 AN GIOSPERM AE DICOTYLEDON ES 



Visitors. Alfken and Hoppner (H.) observed the following 14 bees at 

 Bremen. 



Apidae: i. Bombus agrorum F. 5, very common, skg.; 2. B. arenicola 

 Thorns. 5 (H.) ; 3. B. derhamellus K. % freq., skg. ; 4. B. distinguendus Mor. $, 

 rare, skg.; 5. B. hortorum Z. 5, skg.; 6. B. jonellus K. $ and 5 (H.); 7. B. 

 muscorum F. 5 (H.) ; 8, B. sylvarum L. 5 (H.) ; 9. Melecta luctosa Scop. 5 and J, 

 skg. (H.); 10. Nomada alboguttata H. Sch. 5 (H.); 11. N, ochrostoma K, 5 (H.) ; 

 12. Podalirius acervorum L. $, freq., skg.; 13. P. retusus Z. 5 and J, skg. (H.); 

 1 4. Psithyrus barbutellus K. 5, skg. 



Friese saw the following bees in Alsace (A.), Baden (B.), Fiume (F.), Hungary 

 (H.), Mecklenburg (M.), and Trieste (T.). 



I. Melecta armata/'z.; 2. Osmia aurulenta P. (M.), rare ; 3. O. emarginata 

 Lep. (F., T., H.); 4. Podalirius acervorum Z., freq. (B., A.); 5. B. parietinus F. 

 (M.); 6. P. retusus Z., occasional (B., A.), not infreq. (M.); 7. Stelis nasuta Z/r. 

 (H.) ; 8. Xylocopa violacea Z. 5 and J (A.). 



Herm. Muller gives the following list. 



A. Diptera. (a) Bombyliidae'. i. Bombylius sp., skg. (Budd., Nassau). (^) 

 Syrphidae: 2. Eristalis tenax Z., po-dvg. (Thuringia); 3. Rhingia rostrata Z., skg. 

 and po-dvg., covering its head with pollen; 4. Syrphus balteatus Deg., po-dvg. 

 (Thuringia). B. Hymenoptera. Apidae : 5. Andrena labialis K. 5, failing (?) to 

 reach the nectar; 6. A. nitida Fourcr. 5, do.; 7. Anthophora aestivalis Pz. S skg., 

 5 skg. and po-dvg. (Thuringia) ; 8. A. pilipes F. 5 and $, skg. legitimately, and 

 dusting its head with pollen ; 9. Apis mellifica Z. 5, thrusting most of its head into 

 the corolla-tube ; 10. Bomljus agrorum F. $, skg., and dusting its head with pollen ; 

 II. B. confusus Schenck 5, do. ; 12. B. hortorum Z. j and 5i skg. and po-cltg. ; 13. 

 B. lapidarius Z. 5, skg. (also in the Alps); 14. B. pratorum Z. 5 skg. and po-cltg., 

 5 skg., and dusting its head with pollen ; 15. B. sylvarum Z. 5, do.; 16. B. terrester 

 Z. J, skg. legitimately; 17. Crocisa scutellaris F.^zxid. $, skg. (Thuringia) ; 18. 

 Eucera longicornis Z. S skg., 5 skg. and po-cltg. (Thuringia); 19. Halictus zonulus 

 Sm. 5, apparently not reaching the nectar; 20. Osmia aenea Z. $, skg. legitimately, 

 and dusting its head with pollen; 21. O. aurulenta Pz. $ and S, skg. (Thuringia); 

 22. O. fulviventris Pz. S, skg. (Thuringia) ; 23. O. fusca Chr., skg. legitimately, and 

 dusting its head with pollen ; 24. O. rufa Z. S, do. C. Lepidoptera. (a) Noctuidae : 



25. Plusia gamma Z., climbing from below and skg. (3) Rhopalocera: all skg.; 



26. Coenonympha pamphilus Z. ; 27. Syrichthus alveolus Hb.; 28. Nisoniades 

 tages Z. (Budd., Nassau) ; 29. Papilio podalirius Z. ; 30. Pieris brassicae Z. ; 31. 

 P. napi Z. ; 32. P. rapae Z. ; 33. Rhodocera rhamni Z. (c) Sphingidae: 34. 

 Macroglossa fuciformis Z., skg. 



Loew observed the following in Brandenburg ('Beitrage,' p. 62). 



A. Diptera. Tabanidae : i. Tabanus tropicus Z. J, skg. and (?) effecting pollina- 

 tion. B. Hymenoptera. Apidae. 2. Andrena schencki Mor. ^, po-cltg.; 3. 

 Anthophora aestivalis Pz. S, skg.; 4. A. pilipes F. 5, do.; 5. Bombus cognatus 

 Steph. 5 ; 6. B. confusus Schenck 5 ; 7. B. rajellus K. ^; 8. Eucera longicornis 

 Z. $, skg.; 9. Halictus quadristrigatus Ltr. 5, po-cltg.; 10. H. xanthopus K. j, 

 skg.; II. Melecta luctuosa 6'fo/i. 5, do. ; 12. Osmia bicornis Z. 5, do. ; 13. O. 

 uncinata Gersi. 5, do.; 14. Sphecodes fuscipennis Germ. $, do. 



The following were recorded by the observers, and for the localities stated. 



Knuth (Schleswig-Holstein), the honey-bee, skg., 3 humble-bees, skg. (i. Bom- 

 bus agrorum F. ^, 2. B. hortorum Z. $ ; 3. B. lapidarius Z. J), and a butterfly 

 (Pieris napi Z.), skg. (an unbidden guest). Wustnei (Alsen), 2 bees Bombus 

 hortorum Z., and Andrena trimmerana K. Schmiedeknecht (Thuringia), 4 bees 



