Insects in Great Britain. 
33i 
flying, and there is every probability that a floret if crossed 
will be fertilized from a very similar plant. This is another 
cause helping to allow the segregation of the group. 
Visitors. Lepidoptera. Heterocera : Pyralidae : (1) Pyrausta alpi- 
nalis Schiff., sh. (to b, h, j, p) 1-6. VII. 96, 25-2,700 ft. Hymeno- 
ptera. Aculeata : Myrmicidae : (2) Myrmica rubra L., (to w) biting 
flowers, 18. VI. 96, 1,400 ft. Petiolata parasitica: Cynipidae : (3) 
Cynips sp., (to w) 16. VI. 96, 700 ft. Diptera. Syrphidae : (4) 
Melanostoma mellinum L., (to w) fp. 16. IX. 95, 800 ft. (5) Platychirus 
manicatus Mg., (to j, r,w) 1-6. VI. 96, 17-2,700 ft. Empidae : (6) Empis 
lucida Ztt., (to w) 4. VII. 95, 1,800 ft. (7) E. sp., (to w) 29. VI. 
96, 800 ft. (8) E. aestiva Lw., (to w) 29. VI. 96, 800 ft. Myceto- 
philidae\ (9) Sciara sp., (to w) sh. 30. VI. 96, 2,100 ft. Bibionidae\ 
(10) Dilophus albipennis Mg., (to w) sh. 26. VI. 96, 1,200 ft. Tachi- 
nidae : (n) Siphona geniculata Deg., (to t, w) 18-25. VI. 96, 7-800 ft. 
Muscidae: (12) Lucilia cornicina F., (to w) sh. 24. IX. 96, 1,000 ft. 
Anthomyiidae : (13) Hyetodesia incana W., (to b, h, j, 1, p, r, t, w) sh. 
and fp. freq. 23. VI.-4. VII. 95, 18. VI.-6. VII. 96, 8-2,600 ft. (14) 
H. basalis Ztt., (to w) sh. 4. VII. 95, 1,200 ft. (15) Drymia hamata 
Fin., (to a, b, c, h, j, 1, t) sh. and fp. 26. VI.-2. VII. 96, 17-2,700 ft. 
(16) Spilogaster nigrivenis Ztt., (to w) 19. VI. 96, 1,500 ft. (17) 
Trichophthicus hirsutulus Ztt., (to h, j, p) 6. VII. 96, 17-2,000 ft. 
(18) T. sp., (to a, 1, p, w) fp. 20. VI.-6. VII. 96, 18-2,500 ft., 16. IX. 
95, 8-900 ft. (19) Anthomyia sulciventris Ztt., (to 1) 25. VI. 96, 
2,000 ft.. (20 and 21) A. sp., (to b, w) sh. 13. VII. 95, 19. IX. 95, 
27. VI. 96, 22-2,400 ft. [and also Anthomyiidae to a, g, h, j, 1,- p, r, 
w, VI. and VII. 96, 8-2,500 ft.]. Coleoptera. (22) Meligethes viri- 
descens F., (to p) fp. 26. VI. 96, 2,100 ft. (23) Anthophagus alpinus 
Payk., (to a) ? fp. 10. VII. 96, 2,500 ft. Hemiptera. (24) Aphis sp., 
(to k) 22. VI. 96, 2,300 ft. 
75 . Lapsana communis, Linn. [Lit. Brit. 23; N.C.E. 1, 
3 c, 11, 14, 18 ; Warnstorf 2507 ; Pyren. 17.] Nowhere, as far 
as present records go, well visited. 
Visitors. Coleoptera. (1) Meligethes viridescens F., sh. 2. VII. 
95, 800 ft., nine individuals. 
76 . Hypochoeris radicata, Linn. [Lit. Brit. 23 ; N.C-E. 
I, 3 c, 12 , 14, 14 a, 16, 18, 25, 34,40; Alps 2 ; Pyren. 17.] 
