Insects in Great Britain. 
559 
9-1,200 ft. freq. (6) Bombus terrestris L., sh. in the proper manner 
and biting through, 23. VI.-24. IX. 95, 18. VI.-9. VII. 96, 8-1,700 
ft. very ab. (7) B. jonellus Kirby, sh. 21-22. VII. 95, 11-1,300 ft. 
(8) B. lapponicus F., sh. 25. VI.-14. IX. 95, 18. VI.-io. VII. 96, 
8-2,300 ft. freq. (9) B. smithanus White, 14. IX. 95, 800 ft. (10) 
B. pratorum L., sh. 27. VI. 95, 800 ft. (11) Psithyrus quadricolor 
Lep., sh. 22. VII. 95, 1,700 ft. Vespidae : (12) Vespa norvegica 
? F., sh. by means of borings, 21. VII. 95, 11-1,200 ft. twice. 
Diptera. Syrphidae : (13) Volucella bombylans L., sh. 23. VI. 95, 
900 ft. once. Muscidae : (14) Pollenia rudis F., sh. by means of 
a boring, 14. IX. 95, 900 ft. once. 
Class H § 25. Simple Pendulous Type. 
140. Geranium phaeum, Linn. [Lit. Brit., Darwin 482 ; 
N.C.E. 1 , 21 b, 33 , 34 ; Errera 633 ; Loew 1358 ; Pyren. 17 .] 
Errera found it in Belgium to be a very characteristic bee- 
flower. At Clova Bombus agrorum is a regular visitor, but 
Syrphids are not infrequent. 
Visitors. Lepidoptera. Heterocera : Noctuidae : (1) Habrostola 
urticae Hb., sh. 14. VI. 99, 800 ft. Tineidae : (2) Gelechia sp., 
sh. 26. VI. 95. Hymenoptera. Aculeata : Apidae : (3) Bombus 
agrorum F., sh. 16-21. VI. 95, 10-12. VI, 99, fairly constant. (4) 
B. terrestris L., sh. 22. VI. 96, 12. VI. 99. Petiolata tubulifera : 
Vespidae : (5) Odynerus trimarginatus Ztt., sh. 22. VI. 96. Diptera. 
Syrphidae : (6) Platychirus manicatus Mg., sh. 10. VI. 99. (7) 
Rhingia campestris Mg., 17. VI. 96. Empidae : (8) Empis sp., 
sh. 22. VI. 96. (9) E. punctata Mg., 22. VI. 96. TacJdnidae : (10) 
Siphona geniculata Deg., sh. 18. VI. 96. Anthomyiidae : (1 1) An- 
thomyia sp., sh. 19-22. VI. 96. All at 800 ft. 
141. Prunus avium, Linn. [Lit. N.C.E. 1 , 3 b, 16 , 18 , 33 .] 
This tree is very well visited by Bombus lapponicus. 
Visitors. Lepidoptera. Rhopalocera : (1) Pieris rapae L., sh. 22. 
VI. 97, 600 ft. (2) Vanessa urticae L., sh. 21. V. 97, 600 ft. 
Hymenoptera. Aculeata : Apidae : (3) Apis mellifica L., sh. 21. V. 
97, 800 ft. (4) Bombus lapponicus F., 21-25. V. 97, 800 ft. freq. 
Diptera. Syrphidae : (5) Syrphus punctulatus Verrall, sh. 21. V. 97, 
