SALICINEAE 387 



19. Gonia fasciata Mg.; 20. G. ornata Mg.; 21. Hydrella sp. ; 22. Hylemyia 

 cinerosa Zell.; 23. H. pullula Z^'//. ; 24. Lucilia caesar Z., freq., skg. ; 25. L. sericata 

 Mg.; 26. Nemoraea intermedia Zett.; 27. Scatophaga stercoraria Z. } and S, very 

 common, skg.; 28. Sepsis cynipsea Z., do.; 29. Sipliona flavifrons Zetl.; 30. Spilo- 

 gaster depuncta /a//. ; 31. S. duplicata Vl:^. {e) Syrphidae : 32. Cheilosia praecox 

 Zett., innumerable, skg. ; 33. Eristalis arbustorum Z., more rare, skg. ; 34. E. intri- 

 carius Z., innumerable, skg.; 35. E. pertinax Scop., freq., skg.; 36. E. tenax Z., 

 repeatedly, skg.; 37. Melithreptus scriptus Z.; 38. Pipizella virens F., freq.; 

 39. Platycheirus manicatus Mg. ; 40. Syrphus ribesii Z., rare, skg. C. Hymeno- 

 ptera. (a) Apidae: 41. Andrena albicans Miill. one S, skg.;. 42. Bombus dis- 

 tinguendus Mor. j ; 43. B. lucorum Z. 5 ; 44. B. muscorum F. 5 ; 45. CoUetes 

 cunicularius Z. 5 and S, in thousands, skg. and po-cltg. ; 46. Psithyrus vestalis 

 Fourcr. 5. (h) Tenthredinidae : 47. Amauronematus viduatus Zett. 5 and $, not 

 infreq. t). Hemiptera. (a) Cimicidae : 48. Anthocoris sylvestris Z., rare, skg. 

 (b) Pentatomidae : 49. Gnathoconus albomarginatus F., freq. 



Verhoeff records the following for Norderney. — 



A. Coleoptera. {a) Elateridae : i . Limonius aeruginosas Oh'v., one, skg. 

 {p) Nilidulidae : 2. Epurea aestiva Z., 2 ; 3. Meligethes aeneus i^., two. B. Diptera. 

 (a) Bihionidae : 4. Bibio marci Z. 5 rare, S rare, skg. ; 5. Dilophus vulgaris Mg. 

 5 very common, S not infrequent, skg. and po-dvg. ; 6. Scatopse notata Z., a 5 ; 

 (d) Muscidae : 7. Anthomyia muscaria Zett. S, freq. ; 8. A. sp., a S ; 9. Aricia dispar 

 Fa/L, a. i ; 10. Calliphora erythrocephala Mg. 5, several times; 11. Cynomyia 

 mortuorum Z., 2 S and a 5; 12. Homalomyia sp., a S; 13. Hydrotaea bispinosa 

 Zett., a S; 14. Limnophora littorea Fail. 5 and S; 15. Lucilia caesar Z. 5 not 

 infreq., 5 freq.; 16. Sepsis cynipsea Z., a 5. (c) Syrphidae : 17. Eristalis arbustorum 

 Z., a S; 18. E. intricarius Z., one, po-dvg. ; 19. Helophilus trivittatus Z'., 2 5, po-dvg. 

 and skg. ; 20. Melanostoma mellina Z. S ; 21. Platycheirus clypeatus Mg. S, po-dvg. 

 and skg. (d) Thervidae -. 22. Thereva anilis Z., a J. C. Hemiptera. (a) Cimicidae : 

 23. Thriphleps minuta Z. (3) Pentatomidae : 24. Corimelaena scarabaeoides Z. 

 D. Hymenoptera. (a) Apidae : 25. CoUetes cunicularius Z. y, skg. and po-cltg., 

 S skg. ; 26. Bombus lapidarius Z., a 5, skg.; 27. B. terrester Z., a g; 28. Psithyrus 

 vestaUs Fourcr., a 5, skg. ; 29. Osmia maritima Friese, a 5, skg. (i^) Tenthredinidae : 

 30. Pachynematus capreae /"z., a 5. E. Lepidoptera. Lycaenidae: 31. Polyom- 

 matus phlaeas Z. 



Alfken (Bremen), 2 saw-flies (Dolerus madidus Klg., and D. picipes Klg.^ and 

 15 bees. — 



I. Andrena albicans Miill. $ and 5 ; 2. A. albicrus K. 5 and S ; 3. A. argentata 

 Sm. 5 and S ; 4. A. cineraria Z. S ; 5. A. convexiuscula K. 5 and J ; 6. A. morawitzi 

 y%j-. 5, very common, skg. and po-cltg., and S; 7. A. nigroaenea K. J and S; 

 8. A. propinqua Schenck 5 and S ; 9. A. thoracica Z'. 5 and i ; 10. Halictus calceatus 

 Scop. 5, po-cltg. and skg. ; 11. H. flavipes F. 5, po-cltg. and skg. ; 12. H. rubicundus 

 Chr. $, po-cltg. and skg., very common; 13. Nomada alboguttata H.-Sch. 5; 

 14. N. succincta Pz. $ and S, skg. ; 15. Osmia rufa Z. S. 



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



Knuth (Kiel, 9. 5. '96), the honey-bee, and the humble-bee Bombus terrester 

 Z. 5, skg. and po-cltg., with large pollen-masses on its hind-legs. Friese (Mecklen- 

 burg), the humble-bee Bombus jonellus K. j {teste Brauns), not rare. 



2589. S. herbacea L. (Herm. Miiller, ' Alpenblumen,' pp. 162-3; Kerner, 

 ' Nat. Hist. PI.,' Eng. Ed. i, II, p. 313.) — The small flowers of this species, arranged 

 in inconspicuous spikes, secrete abundant nectar, and are therefore much visited by 

 insects in spite of their insignificant appearance. Kerner says that the female plants 



c c 2 



