586 AN GIOSPERMAE DICOTYLEDON ES 



Scop.; 6. E. nemorum L. ; 7. E. tenaxZ. ; 8. Helophilus floreusZ.; 9. Melithreptus 

 scriptus Z. ; 10. Syritta pipiens Z. B. Hymenoptera. (a) Apidae: 11. Apis 

 mellifica Z. g; 12. Bombus terrester Z. 5, skg.; 13. Sphecodes gibbus Z. $, do. 

 (3) Sphegidae : 1 4. Ammophila sabulosa Z. 



1345. A. sparsiflorus Michx. 



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



A. Diptera. {a) Muscidae: 1. Anthomyia sp. ; 2. Echinomyia fera Z.; 



3. Sarcophaga carnaria Z. (b) Syrphidae : 4. Eristalis aeneus Scop. ; 5. E. nemorum 

 Z. ; 6. Helophilus floreus Z. ; 7. Syritta pipiens Z. B. Hymenoptera. Apidae: 

 8. Apis mellifica Z. 5, skg. and po-cltg. ; 9. Bombus' terrester Z. 5, skg. ; 10. 

 Halictus sexnotatus K. $, do. 



1346. A. squarrosulus Nees. 



Visitors. Loew observed a Muscid (Echinomyia fera Z.), 2 Syrphids (Eristalis 

 arbustorum Z., and Helophilus floreus Z.), and a wasp (Odynerus parietum Z. 5 and 

 J), in the Berlin Botanic Garden. 



419. Biotia DC. 



1347. B. commixta DC. 



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



(a) Muscidae : 1 . Anthomyia sp. ; 2. Echinomyia fera Z. ; 3. Lucilia caesar Z. ; 



4. Pyrellia cadaverinaZ. (6) Syrphidae : 5. Eristalis arbustorum Z.; 6. E. nemorum 

 Z. ; 7. Helophilus floreus Z. ; 8. Syritta pipiens Z. ; 9. Syrphus ribesii Z. 



1348. B. corymbosa DC. 



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



A. Diptera. (a) Muscidae : 1 . Echinomyia fera Z. ; 2. Pyrellia cadaverina Z. 



(5) Syrphidae : 3. Eristalis arbustorum Z. ; 4. E. nemorum Z. B. Hymenoptera. 



(a) Apidae : 5. Halictus cylindricus F. J, skg. (6) Sphegidae: 6. Ammophila sabulosa 



Z. (c) Vespidae : 7. Vespa crabro Z. JjJ- 



1349. B. macrophylla DC. 



Visitors. Loew observed a Muscid (Echinomyia fera Z.), and a butterfly 

 (Polyommatus phlaeas Z., skg.), in the Berlin Botanic Garden. 



1350. B. Schreberi DC. 



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



A. Diptera. (a) Muscidae : 1 . Echinomyia fera Z. (5) Syrphidae : 2. Eristalis 



nemorum Z. ; 3. E. tenax Z. B. Lepidoptera. Rhopalocera : 4. Pieris brassicae 



Z., skg. ; 5. Vanessa urticae Z., do. 



420. Galatella Cass. 



1351. G. dracunculoides Nees. 



Visitors. Loew observed 3 Syrphids (1. Eristalis aeneus Scop.; 2. E. nemorui 

 Z. ; 3. Helophilus trivittatus F.) in the Berlin Botanic Garden. 



135a. G. hyssopifolia Nees. 



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

 A. Diptera. Muscidae: 1 . Lucilia caesar Z. B. Hymenoptera. (a) Apia 

 2. Apis mellifica Z. 5, skg.; 3. Prosopis communis Nyl. $>, skg. (6) Sphegidat', 



