204 results on '"Colla, Sheila R."'
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52. GLOSSARY.
53. IDENTIFICATION KEYS TO FEMALE AND MALE BUMBLE BEES, WITH PHOTOS.
54. BUMBLE BEE NAMES AND CLASSIFICATION.
55. BUMBLE BEE FORAGE GUIDE BY ECOREGION (* INDICATES PREDOMINANTLY NON-NATIVE).
56. INTRODUCTION.
57. Do pathogen spillover, pesticide use, or habitat loss explain recent North American bumblebee declines?
58. Discussion of the presence of an eastern bumble bee species (Bombus impatiens Cresson) in western Canada
59. Evidence for the decline of the western bumble bee (Bombus occidentalis Greene) in British Columbia
60. Can green roofs provide habitat for urban beeds (Hymenoptera: Apidae)?
61. Plight of the bumble bee: Pathogen spillover from commercial to wild populations
62. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS FLAVIDUS.
63. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS SUCKLEYI.
64. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS BOHEMICUS.
65. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS INSULARIS.
66. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS NEVADENSIS.
67. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS AURICOMUS.
68. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS PENSYLVANICUS.
69. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS BOREALIS.
70. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS FERVIDUS.
71. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS RUFOCINCTUS.
72. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS CROTCHII.
73. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS GRISEOCOLLIS.
74. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS AFFINIS.
75. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS OCCIDENTALIS.
76. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS TERRICOLA.
77. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS HYPERBOREUS.
78. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS NEOBOREUS.
79. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS BALTEATUS.
80. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS POLARIS.
81. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS FLAVIFRONS.
82. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS MELANOPYGUS.
83. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS SYLVICOLA.
84. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS VAGANS.
85. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS IMPATIENS.
86. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS CALIGINOSUS.
87. HOW TO USE THIS BOOK TO IDENTIFY BUMBLE BEE SPECIES.
88. DISTINGUISHING BUMBLE BEES FROM OTHER INSECTS.
89. NATURAL ENEMIES.
90. THREATS TO BUMBLE BEES.
91. OBSERVING BUMBLE BEES.
92. BUMBLE BEE DECLINE AND CONSERVATION.
93. MAPS AND SEASONAL ACTIVITY.
94. ACKNOWLEDGMENTS.
95. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS VARIABILIS.
96. SPECIES ACCOUNTS: GROUP 4: HINDLEG (TIBIA) WITH THE OUTER SURFACE UNIFORMLY CONVEX AND DENSELY HAIRY (CUCKOO BUMBLE BEES, NO WORKERS): BOMBUS CITRINUS.
97. SPECIES ACCOUNTS: GROUP 3: MEDIUM- OR LONG-CHEEKED BEES WITH A SHARP ANGLE ON THE MIDLEG: BOMBUS DISTINGUENDUS.
98. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS FRATERNUS.
99. SPECIES ACCOUNTS: GROUP 2: SHORT-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS MORRISONI.
100. SPECIES ACCOUNTS: GROUP 1: SQUARE- OR LONG-CHEEKED BEES WITH A ROUNDED ANGLE ON THE MIDLEG: BOMBUS TERNARIUS.
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