702 ANGIOSPERMAEDICOTYLEDONES 



very common, often 3 or 4 in a head, skg. and po-cltg., J skg. (b) Sphegidae: 13. 

 Ammophila sabulosa Z. ; 14. Oxybelus mucronatus F. C. Lepidoptera. (a) Ly- 

 caenidae : 1 5. Lycaena icarus Rott. ; 1 6. Polyommatus phlaeas L. (b) Pieridae : 

 17. Pieris brassicae Z.; 18. P. napi Z. (c) Satyridae: 19. Epinephele janira Z. 

 In Bremen, 9 bees 1. Andrena gwynana K. t>, 2nd gen.; 2. A. humilis Imh. 5; 

 3. Bombus distinguendus Mor. 5 ; 4. B. hortorum Z. jjl ; 5- B. muscorum F. 5 ; 



6. Dasypoda plumipes Pz. 5 and $ ; 7. Melitta leporina Pz. J ; 8. Panurgus banksianus 

 K. $ and $ ; 9. P. calcaratus Scop. 5 and J. 



Loew observed the following in the Berlin Botanic Garden. 



A. Diptera. Syrphidae: 1. Eristalis aeneus Scop. ; 2. E. arbustorum Z. ; 



3. E. nemorum Z. ; 4. E. tenax Z. ; 5. Helophilus floreus Z. ; 6. Syritta pipiens Z. ; 



7. Syrphus albostriatus ZV/. B. Hymenoptera. (a) Apidae: 8. Apis mellifica Z. 

 5, skg. and po-cltg. ; 9. Dasypoda hirtipes Z 7 . S, do. ; 10. Halictus leucozonius Schr. 

 $ and J, skg. (b) Sphegidae: n. Ammophila sabulosa Z. C. Lepidoptera. 

 Rhopalocera: all skg. ; 12. Rhodocera rhamni Z. ; 13. Pieris brassicae Z. ; 14. P. 

 rapae Z. 



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



Knuth (North Frisian Islands), Apis, a Bombus, a Panurgus, a hover-fly, and 

 a butterfly. Verhoeff (Norderney). A. Diptera. Syrphidae: 1. Eristalis arbustorum 

 Z. S, freq. ; 2. Syrphus corollae F. J, do. ; 3. S. nitidicollis Mg. 5, occasional. 

 B. Hymenoptera. Apidae : 4. Bombus lapidarius Z. 5 and S, freq. ; 5. B. terrester 

 Z. 5; 6. Psithyrus rupestris F. &. C. Lepidoptera. Nymphalidae: 7. Argynnis 

 latonia Z., occasional. H. de Vries (Netherlands), the humble-bee Bombus sub- 

 terraneus Z. 5 (Ned. Kruidk. Arch., Nijmegen, 2. Ser., 2. Deel, 1875). 



1673. H. australe Fries. 



Visitors. Loew (Berlin Botanic Garden) observed 3 bees 1. Apis mellifica 

 Z. 5, skg. and po-cltg. ; 2. Bombus agrorum F. S, skg. ; 3. Halictus leucozonius 

 Schr. $, do. 



1674. H. boreale Fries. 



Visitors. Loew observed the bee Prosopis armillata Nyl. 5, skg., in the Berlin 

 Botanic Garden. 



1675. H. brevifolium Tausch. 



Visitors. Loew observed the following in the Berlin Botanic Garden. 

 A. Diptera. (a) Muscidae: 1. Anthomyia sp. (b) Syrphidae: 2. Helophilus 

 floreus Z. B. Hymenoptera. Apidae: 3. Apis mellifica Z. 5, skg. and po-cltg. ; 



4. Bombus terrester Z. 5, skg.; 5. Halictus cylindricus F. &, do.; 6. Halictus 

 nitidiusculus K. t, do. ; 7. Panurgus calcaratus Scop. 5. 



1676. H. bupleuroides Gmel. 



Visitors. Loew observed the following in the Berlin Botanic Garden. 



A. Diptera. Syrphidae: 1. Eristalis tenax Z. ; 2. Helophilus pendulus Z. 

 B. Hymenoptera. Apidae : 3. Apis mellifica Z. 5, skg. and po-cltg. ; 4. Heriades 

 truncorum Z. $, skg. ; 5. Prosopis sp. 5, do. 



1677. H. crinitum Sibth. et Sm. 



Visitors. Loew observed the following in the Berlin Botanic Garden. 



A. Diptera. Syrphidae: 1. Eristalis nemorum Z. ; 2. E. tenax Z. ; 3. Helo- 

 philus floreus Z. ; 4. Syritta pipiens Z. B. Hymenoptera. Apidae: 5. Apis 

 mellifica Z. 5, skg. and po-cltg. ; 6. Halictus cylindricus F. $, skg. ; 7. H. leucozonius 

 Schr. 5, do. 



