Insects in Great Britain. 
635 
seeking b. 2 1. VI-4. VII. 95, 800 ft. (9) Anthomyia sp., fp. and seeking h. 4-5. VII. 
95; 24-25. VI. 96, 7-800 ft. Thysanoptera. (10) Thrips sp., 21. VI.-i 1. VII. 96, 
7-800 ft. Neuroptera. (n) Chloroperla sp., 2. VII. 95, 800 ft. 
Class Po. AB, § 63. AB-like Type, with massed Flowers. 
235 . Spiraea Ulmaria, Linn. [Lit. Brit . 23,39 ; N.C.E. 1, 3 b, 8 , 11, 
14 a, 16, 18, 21 a, 21 b, 33, 34, 40 ; Arct. 36 ; Alps, 2 ; Pyren. 17.] 
Visitors. Lepidoptera. Heterocera : Eriocephalidae : (1) Eriocephala calthella 
L., fp. 6-17. VII, 95, 7-800 ft. Hymenoptera. Aculeata : Apidae : (2) Apis mellifica 
L., op. and seeking h., 15-22. VII. 95; 3-1 1. VII. 96, 7-800 ft. freq. (3) Bombus 
lapponicus F., seeking h. 4-1 1. VII. 96, 800 ft. (4) B. terrestris L., cp. 15. VII. 95 ; 
11. VII. 96, 7-800 ft. Vespidae : (5) Vespa norvegica F., seeking h. 4-1 1. VII. 96, 
800 ft. Sessiliventres. Tenthredinidae : (6) Allantus arcuatus Forst., 29. V. 96, 900 ft. 
Diptera. Syrphidae : (7) Eristalis arbustorum L., fp. and seeking h., 15-17. VII. 95 ; 
25. VI. 96, 7-800 ft. Muscidae : (8) Calliphora vomitoria L., 3. VII. 96, 800 ft. 
Anthomyiidcie : (9) Hyetodesia incana W., fp. and seeking h., 15. VII. 95 ; 3-1 1. VII. 
96, 800 ft. (10) Limnophora sp., 2. VII. 95, 800 ft. (11) T richophihicus sp., fp. 12. 
VII. 95; 3. VII. 96, 7-800 ft. (12 and 13) Anthomyia spp., fp. 4-15. VII. 95; 11. 
VII. 96, 7-800 ft. Cordyluridae : (14) Scatophaga maculipes Ztt , fp. 15. VII. 95, 
800 ft. 
Class Po. AB, § 64. AB-like Type with little Pollen. 
236 . Lysimachia punctata, Linn. An escape from cultivation. 
Visitor. Diptera. Chironomidae : (1) Ceratopogon flavipes Mg., seeking h., 
2. VII. 95, 800 ft. 
237 . Lysimachia nemorum, Linn. [Lit. Brit. 23 ; N.C.E. 18, 33.] 
Visitors. Hymenoptera. Aculeata: Formicidae : (1) Formica fusca Latr., 
seeking h., 29. VI. 96, 1,500 ft. Diptera. Syrphidae'. (2) Syrphus sp., 23. VI. 96, 
900 ft. Chironomidae'. (3) Orthocladius sp., 29. VI. 95, 1,100 ft. Anthomyiidae 
(4) 1 sp., fp. 10. VI. 99, 700 ft. 
238 . Trientalis europaea, Linn. [Lit. N.CE. 1, 3 c, 4, 21a, 21b; 
Arct. 36.] The stamens and style are of equal length and are ripe 
together, but are not near enough to bring about spontaneous self- 
pollination. 
Visitors. Diptera. Syrphidae'. (1) Platychirus albimanus F., seeking h., 27. 
VI. 95, 2,100 ft. (2) Syrphus vitripennis Mg., fp. 15. VI. 99, 1,200 ft. Empidae'. 
(3) Empis tessellata F., seeking h. 19. VI. 96, 1,500 ft. Anthomyiidae : (4) Anthomyia 
sp., fp. 22. V. 96; 10. VI. 99, 7-1,000 ft. Coleoptera. (5) Telephorus paludosus 
Fall., 20. VI. 95, 1,500 ft. Thysanoptera. (6) Thrips sp., 10. VI. 99, 700 ft. 
239 . Narthecium Ossifragum, Huds. [Lit. Brit. 23, 39; N.C.E. 3 a* 
14, 14 a, 18; Alps 9.] 
Visitors. Lepidoptera. Heterocera: Eriocephalidae'. (1) Eriocephala calthella 
