ROSACEAE 367 



Verhoeff observed the following in Norderney. — 



A. Coleoptera. (a) NitiduUdae: i. Meligethes aeneus Z'. {b) Staphylinidae: 



2. Tachypoius hypnorum L. B. Diptera. (a) Empidae: 3. Hilara quadrivittata 

 Mg.,^g. (b) Miiscidae: 4. Anthomyia sp., freq., skg. and po-dvg. ; 5. Aricia incana 

 Wiedem. S, skg. and po-dvg.; 6. Calliphora erythrocephala Mg.; 7. Cyrtoneura 

 hortorum Fall. t>, po-dvg. ; 8. Lucilia caesar L. $ and S, skg. ; 9. Myospila medita- 

 bunda F. ; 10. Scatophaga stercoraria Z. S; 11. Sepsis cynipsea L. (c) Syrphidae : 

 12. Cheilosia sp. 5; 13. Chrysogaster macquarti Low 5; 14. Eristalis arbustorum 

 Z. 5, skg. ; 15. E. intricarius Z. ; 16. Helophilus pendulus Z. 5; 17. Melithreptus 

 menthastri Z. §, po-dvg. ; 18. Pipizella virens F. i; 19. Platycheirus clypeatus Mg. 

 S, skg. ; 20. P. peltatus Tl/g'. S ; 21. Syrphus ribesiiZ. (d) Therevidae: 22. Thereva 

 anilis Z. S. C. Hymenoptera. (a) Apidae: 23. Andrena albicans Mull. $, skg. 

 and po-cltg. ; 24. Colletes cunicularius Z. 5, do. ; 25. Osmia maritima Friese. 

 (b) Chrysididae : 26. Holopyga ovata Z'l?^. {c) Formicidae : 27. Formica fusca Z. 

 5, skg.; 28. Lasius niger Z. 5, do. D. Lepidoptera. Lycaenidae : 29. Polyom- 

 matus phlaeas Z. 



Leege noticed the following in Juist. — 



A. Diptera. Syrphidae: i.Volucella bombylans Z., very common. B. Hy- 

 menoptera. {a) Apidae: 2. Andrena albicans Miill. 5, freq., skg. ; 3. A. albicrus 

 ZT. 5, freq., skg. and po-cltg.; 4. Colletes cunicularius Z., rare; 5. Halictus rubi- 

 cimdus Chr. 5, once ; 6. Nomada ruficornis Z. S, do. ; 7. Prosopis brevicornis Nyl. 

 S, rare. (3) Sphegidae : 8. Ammophila sabulosa Z., rare, skg. 



MacLeod saw 3 Muscids in Flanders (Bot. Jaarb. Dodonaea, Ghent, vi, 1894, 



P-3I3)- 



In Dumfriesshire several Diptera were recorded (Scott-Elliot, ' Flora of 

 Dumfriesshire,' p. 59). 



863. P. Wiemanniana Guenth. Grab, et Wimm. (= P. Guentheri Pohl). — 

 Visitors. — F. F. Kohl observed the ruby-wasp Chrysis dichrora Klg. in the 



Tyrol. 



864. P. reptans L. (Herm. Miiller, 'Fertilisation,' pp. 232-3, ' Weit. Beob.,' 

 II, p. 241 ; Schulz, ' Beitrage,' II, pp. 187-8 ; ' Knuth, ' Bloemenbiol. Bijdragen.') — 

 The flower mechanism of this species agrees with that of P. Anserina. Schulz 

 noticed gynomonoecism and gynodioecism. 



Visitors. — I only observed Volucella bombylans Z. and Meligethes. 

 Herm. Miiller gives the following list, partly after Buddeberg (Budd.). — 

 A. Coleoptera. i. Notoxys monoceros Z., in the flowers in large numbers. 

 B. Diptera. {a) Empidae : 2. Empis livida Z., skg. (Thuringia). {b) Muscidae : 



3. Aricia sp., skg. (Thuringia). (c) Syrphidae: 4. Eristalis arbustorum Z., skg. 

 (Thuringia); 5. Syritta pipiens Z., skg. and po-dvg. (Thuringia); 6. Syrphus 

 arcuatus Fall., po-dvg. C. Hymenoptera. {a) Apidae: 7. Andrena albicrus 

 K. i\ i. A. nana K. 5, skg.; 9. Halictus cylindricus F. 5, do. ; 10. H. flavipes F. 

 5, skg. and po-cltg. (Budd.) ; n. H. leucozonius Schr. 5, po-cltg. ; 12. H. maculatus 

 Sm. 5 and S, skg. and po-cltg. ; 13. H. sexstrigatus Schenck 5, do. ; 14. H. tetrazonius 

 Klg. 5 and t, do. (Thuringia, Budd.); 15. Nomada flavoguttata K. $, skg. (Budd.); 

 16. N. succincta Pz. S, do. ; 17. N. xanthosticta K. J, do. ; 18. Prosopis hyalinata 

 Sm.,Ao.; 19. Sphecodes gibbus Z. S, do. {b) Sphegidae: 20. Ammophila sabulosa 

 L.i; 21. Oxybelus bellus Z)aM., nect-lkg. 



MacLeod (Flanders) observed 2 hover-flies and a Muscid (Bot. Jaarb. Dodo- 

 naea, Ghent, vi, 1894, p. 313), and (Pyrenees) a Muscid (op. cit. iii, 1891, p. 431). 



