. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 634 ANGIOSPERMAE—DICOTYLEDONES {d) Syrphidae: 5. Eristalis pertinax Mg., po-dvg.; 6. Volucella inanis Z., do.; 7. Xylota sp., do. B. Hymenoptera. (a) Apidae: 8. Bombus hypnorum Z. S, skg.; 9. B. muscorum F. 5 and 5, do.; 10. B. pratorum Z. 5 and 5, do.; 11. B. terrester Z. S (Thuringia) ; 12. Halictus cylindricus F. S, skg.; 13. H. lucidus Schenck 5 and S, do.; 14. Psithyrus quadricolor Lep. J, do,; 15. P. vestalis Fourcr. S, do. (^) Vespidae: 16. Vespa rufa
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 634 ANGIOSPERMAE—DICOTYLEDONES {d) Syrphidae: 5. Eristalis pertinax Mg., po-dvg.; 6. Volucella inanis Z., do.; 7. Xylota sp., do. B. Hymenoptera. (a) Apidae: 8. Bombus hypnorum Z. S, skg.; 9. B. muscorum F. 5 and 5, do.; 10. B. pratorum Z. 5 and 5, do.; 11. B. terrester Z. S (Thuringia) ; 12. Halictus cylindricus F. S, skg.; 13. H. lucidus Schenck 5 and S, do.; 14. Psithyrus quadricolor Lep. J, do,; 15. P. vestalis Fourcr. S, do. (^) Vespidae: 16. Vespa rufa Z. $. C. Lepidoptera. Rhopalocera: 17. Erebia ligea Z., skg. Frey saw the Tortricid moth Grapholitha hepaticana Tr. in the Alps. Loew observed the hover-fly Cheilosia canicularis Pz. in the Riesengebirge ('Beitrage/ p. 51), and the following in the Berlin Botanic Garden.— A. Coleoptera. Coccinellidae: i. Coccinella quattuordecimpunctata Z. B. Diptera. (a) Muscidae : 2. Echinomyia fera Z.; 3. E. tessellata F.; 4. Pyrellia cadaverina Z.; 5. Sarcophaga albiceps Mg.; 6. S. carnaria Z. {b) Syrphidae: 7. Eristalis aeneus Scop.; 8. E. arbustorum Z.; 9. E. nemorum Z.; 10. E. sepulcralis Z.; II. E. tenax Z.; 12. Syritta pipiens Z.; 13. Syrphus balteatus i)<'^.; 14. Fig. 203. Sentcio carniolicus, Willd. (after Herm. Muller). A. Normal ray-floret (pappus omitted). B-E. Various other forms of ray-floret. C. Anther-cylinder of C. U. Anthers and style of D. F. Normal disk-floret (ovary omitted). cinctellus Zdt.; 15. S. ribesii Z. C. Hymenoptera. (a) Apidae: 16. Apis mellifica Z. 5, skg. and po-cltg.; 17. Bombus terrester Z. $, skg.; i8. Halictus sp. S, do.; 19. Heriades truncorum Z. 5, po-cltg.; 20. Prosopis armillata Nyl. <S, skg.; 21. Stelis phaeoptera K., do. (p) Sphegidae: 22. Ammophila sabulosa Z. D. Lepidoptera. Rhopalocera : 23. Pieris brassicae Z., skg. 1502. S. saracenicus L. (Knuth, ' BlUtenbiol. Herbstbeob.')— Visitors.—I observed Apis, Vanessa io Z., and 2 hove
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