38o 



ANGIOSPERMAE—DICOTYLEDONES 



the crowded nature of the inflorescences automatic cross-pollination may also happen 

 by the fall of pollen upon the stigmas of neighbouring flowers. Schulz observed 

 andromonoecious stocks. — 



Visitors. — I observed the following, all po-dvg. — 



A. Coleoptera. (a) Cerambycidae : i. Gaurotes virginea Z. ; 2. Judolia ceram- 

 byciformis Schr. ; 3. Leptura livida F. ; 4. L. maculicornis Deg. ; 5. Stenocorus 

 mordax Deg. (b) Chrysomelidae : 6. Cryptocephalus sericeus L. [c) Scarahaeidae : 

 7. Trichius fasciatus Z. B. Diptera. Syrphidae: 8. Syritta pipiens Z., freq. 



Herm. Miiller gives the following list. — 



A. Coleoptera. (a) Cerambycidae -. i. Judolia cerambyciformis&'^r. ; 2. Leptura 

 maculicornis Deg., dvg. the flowers ; 3. Pachyta quadrimaculata Z., dvg. the anthers ; 

 4. Strangalia attenuata Z., do.; 5. S. quadrifasciata Z., dvg. the flowers, (b) Cleridae : 

 6. Trichodes apiarius Z., dvg. the flowers, (c) Dermestidae : 7. Anlhrenus pimpi- 

 nellae Z'., dvg. the flowers. (d) Mordellidae: 8. Mordella aculeata Z. {e') Niti- 

 dulidae: 9. Cychramus luteus Oliv. {/) Scarabaeidae: 10. Cetonia aurata Z., dvg. 

 the flowers; 11. Trichius fasciatus Z., do. {g) Tehphoridae: 12. Malachius bi- 



FlG. 120. Vlinaria penlapetala, GilibA^hr:r Herm. Miiller). (i) Young flower. 

 (2) Older flower. (a) anthers ; j/, stigmas. 



pustulatus Z., dvg. the anthers. B. Diptera. {a) Miiscidae: 13. Anthomyia sp. 

 \b) 6>r/>;4/(/(z« (all po-dvg.) : 14. Eristalis arbustorum Z., very freq. ; 15. E. horticola 

 Deg.; 16. E. nemorum Z. ; 17. E. sepulcralis Z. ; 18. E. tenax Z. ; 19. Helo- 

 philu.s floreus ; 20. Syritta pipiens Z.; 21. Volucella bombylansZ.; 22. V. pellucens 

 Z. C. Hymenoptera. {a) Apidac: 23. Andrena coitina A^. j, po-cltg. ; 24. Apis 

 mellifica Z. 5, freq., po-cltg. ; 25. Prosopis armillata A^y/. J, freq., po-dvg.; 26. P. 

 clypearis Schenck t, po-dvg.; 27. P. communis Nyl. $, do.; 28. P. confusa Nyl. i, 

 do.; 29. Xylocopa violacea Z. $, po-cltg. {b) Chrysididae : 30. Chrysis ignita Z. ; 

 31. Ellampus auratus Z. ; 32. Hedrychum nobile Scop, (c) Sphegidae: 33. Pem- 

 phredon unicolor F.; 34. Crabro larvatus Wesvi. 5; 35. C. wesmaeli v. d. L. S. 

 D. Lepidoptera. 36. Zygaena pilosellae Esp., trying to suck. 



Von Fricken records 2 Cerambycids (Clytus figuratus Scop, and Grammoptera 

 ruficornis Z'.) and a Curculionid (Apoderus erythropterus Zjc^ocA. = A. intermedins 

 ///.) for Westphalia and East Prussia. Redtenbacher gives 2 Cerambycids (Molor- 

 chus minimus Scop, and Obrium brunneum Z".) for Austria. 



Alfken saw the humble-bee Bombus terrester Z. 5 &' Bremen, and Loew 

 observed the following in Silesia (' Beitrage,' p. 28). — 



