Insects in Great Britain. 
337 
82. Achillea Ptarmica, Linn. [Lit. Brit. 23; N.C.E. 1, 
3 c, 11, 14, 14 a, 18 ; Loew 1358.] 
Visitors. Diptera. Empidae : (1) Empis tessellata F., sh. 14. IX. 
95, 800 ft. Anthomyiidae : (2) Drymia hamata Fin., 16. IX. 95, 
800 ft. (3) Anthomyia sp., 15. IX. 95, 800 ft. Cordyluridae : (4) 
Scatophaga sp., sh. 20. VII. 95, 800 ft. 
83. Achillea Millefolium, Linn. [Lit. Brit. 23, 34, 39 ; 
N.C.E. 1, 3 c, 8, 11, 12, 14, 14a, 16, 18, 25, 31, 33, 34, 40; 
Arct. 36 ; Alps 2, 9 ; Pyren . 17.] Flowers sometimes rose- 
pink. Muller in his lists unites this species and A. Ptarmica 
together. 
Visitors. Lepidoptera. Heterocera : Noctuidae : (1) Hydroecia 
nictitans Bkh., 14-16. IX. 95, 800 ft. (2) Dianthecia cucubali Fuessl., 
sh. 2. VII. 95, 800 ft. Tortricidae : (3) Tortrix sp., 2. VII. 95, 
800 ft. Tineidae : (4) Glyphipteryx fuscoviridella Haw., sh. 1-2. VII. 
95, 900 ft. Hymenoptera. Aculeata : Apidae : (5) Bombus ter- 
restris L., sh. 25. VI. 95, 13-14. IX. 95, 7-800 ft. (6) Andrena 
analis Panz., sh. 6. VII. 95, 800 ft. (7) Halictus subfasciatus Nyl, 
14. IX. 9 5, 800 ft. Vespidae : (8) Vespa norvegica F., 13. IX. 95, 
700 ft. Sessiliventres : Tenthredinidae : (9) Allantus arcuatus Forst., 
sh. 26. VI.-22. VII. 95, 2. VII. 96, 800 ft. Petiolata parasitica: 
Ichneumonidae : (10) Limneria crassicornis, 16. IX. 95, 800 ft. (1 1) 
Hemiteles ? tenebriosus Grav., 2. VII. 95, 800 ft. (12, 13, and 14) three 
other spp., 1. VII. 95, 800 ft. Diptera. Syrphidae : (15) Platychirus 
manicatus Mg., sh. 26. VI. -3. VII. 95, 10. VII. 96, 800 ft. (16) 
P. albimanus F., fp. 18. VII. 95, 800 ft. (17) Syrphus ? vitripennis 
Mg., 15. VII. 95, 3. VII. 96, 800 ft. (18) Syrphus sp., 13-14. IX. 
95, 7-800 ft. (19) Ascia podagrica F., 17. IX. 95, 800 ft. (20) 
Eristalis pertinax Scop., 13-18. IX. 95, 7-800 ft. (21) E. arbus- 
torum L., fp. 6. VII. 95, 800 ft. (22) Heliophilus pendulus L., sh. 
21-22. IX. 95, 8-900 ft. (23) Syritta pipiens L., 30. VI.-i. VII. 95, 
800 ft. Empidae: (24) Empis tessellata F., sh. 15-23. VII. 95, 13-16. 
IX. 95, 2-1 1. VII. 96, 7-900 ft. (25) E. punctata Mg., sh. 19. 
VI- 17. VII. 95, 800 ft. (26) E. bilineata Lw., 28. VI.-5. VII. 95, 
800 ft. (27) E. grisea Fin., 16. IX. 95, 900 ft. (28) Pachymeria pal- 
paris Egg., 16. IX. 95, 900 ft. (29) Rhamphomyia spinipes L., 30. VI. 
95, 16. IX. 95, 8-900 ft. (30) Hilara martrona Hal., sh. 17. VII. 95. 
