FIELD RESEARCH IN VÄRMLAND, SWEDEN
FIELD RESEARCH IN VÄRMLAND, SWEDEN
John Byers
Dusk over Lake Fryken, looking north toward town of Torsby.
General:
1. Dusk over Lake Fryken
2. Lake Fryken by day
3. Sunset in a Värmland clearcut
4. Countryside and Torsby
5. 79 Saab filled with supplies
6. John Byers at field site
Bark beetles:
7. Host-tree finding models
8. Attack spacing of bark beetles
9. Bark beetle survival
10. Bark beetle pipetraps with funnels in clearcut
11. Slow-rotating pair of traps and John Byers
12. Puddle trap with bark beetles
13. Nonrandom arrival of beetles
14. bark beetle predator: Thanasimus formicarius
15. Ips typographus boring near hunting Thanasimus formicarius
Red wood ants, Formicus aquilonia:
16. Red wood ant foraging
17. Ants attacking mating Scarabs
18. Nest temperatures of Formica
19. How deep are ants in nest?
Various insects (non-research):
20. Large skipper butterfly
21. Spider wasp on leaves
22. Syrphid fly on dandelion flower
23. Butterfly and Syrphid fly on dandelion
24. "Barklöpare": Rhagium mordax
25. Large spruce weevil: Hylobius abietis
26. Camouflaged flesh fly
27. Geotrupes stercorarius scarab
28. Anchomenus sexpunctatus carabid
Images © 1996 by John A. Byers.
Research supported by grants from Sweden's SJFR (Skogs- och Jordbrukets Forskningsråd = Forest and Agricultural Research Council).