71 results on '"Thorp, Robbin W."'
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2. Bumble Bees of North America : An Identification Guide
3. GLOSSARY.
4. IDENTIFICATION KEYS TO FEMALE AND MALE BUMBLE BEES, WITH PHOTOS.
5. MIMICRY.
6. BUMBLE BEE NAMES AND CLASSIFICATION.
7. BUMBLE BEE FORAGE GUIDE BY ECOREGION (* INDICATES PREDOMINANTLY NON-NATIVE).
8. INTRODUCTION.
9. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS BOHEMICUS.
10. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS FLAVIDUS.
11. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS INSULARIS.
12. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS OCCIDENTALIS.
13. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS SUCKLEYI.
14. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS AURICOMUS.
15. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS HYPERBOREUS.
16. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS NEVADENSIS.
17. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS GRISEOCOLLIS.
18. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS PENSYLVANICUS.
19. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS BOREALIS.
20. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS NEOBOREUS.
21. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS FERVIDUS.
22. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS RUFOCINCTUS.
23. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS CROTCHII.
24. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS AFFINIS.
25. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS POLARIS.
26. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS TERRICOLA.
27. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS FLAVIFRONS.
28. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS BALTEATUS.
29. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS MELANOPYGUS.
30. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS SYLVICOLA.
31. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS VOSNESENSKII.
32. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS IMPATIENS.
33. DISTINGUISHING BUMBLE BEES FROM OTHER INSECTS.
34. THREATS TO BUMBLE BEES.
35. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS CALIGINOSUS.
36. NATURAL ENEMIES.
37. HOW TO USE THIS BOOK TO IDENTIFY BUMBLE BEE SPECIES.
38. OBSERVING BUMBLE BEES.
39. ACKNOWLEDGMENTS.
40. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS CITRINUS.
41. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS VARIABILIS.
42. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS FRATERNUS.
43. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS DISTINGUENDUS.
44. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS MORRISONI.
45. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS TERNARIUS.
46. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS JONELLUS.
47. BUMBLE BEE DECLINE AND CONSERVATION.
48. MAPS AND SEASONAL ACTIVITY.
49. ATTRACTING BUMBLE BEES.
50. PHOTO CREDITS.
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