Bumblebees

Bumblebees (Genus Bombus)

Bombus griseocollis Face.jpg

Bombus griseocollis

Size: Very Large (Worker (female) 10-20 mm; Drone (male) 13-23 mm; Queen = 17-25 mm)

(Workers get smaller and smaller as the season progresses)

{Size Comparison-the average honeybee is 13mm}

Color: Black body covered with dense yellow and black hair; (reddish hair in a few species)

Type of Flight: Slow and lumbering (without fear of humans)

Distinguishing Characteristics:

(1) Fat bee with a small head (large thorax and abdomen)

(2) Hairs cover the entire body (head, thorax, and abdomen); Hair color patterns help to determine bumblebee species

(3) Workers have morphological specializations, including the pollen basket (corbiculum) on the rear legs

Abundance in Georgia: Common 

Typically Found in Georgia: March-October (Bumblebees are some of the first bees to emerge in Spring)

Pollination Value: Very High (an important pollinator of agricultural crops)

Plants Associated with: All flowering plants (Generalist – not specific to any type of plant)

Nesting Habitat: Bumble bees nest in the ground in abandoned mammal holes. Bumble bees live in large colonies with one queen, a few drones (males), and many workers (females).

Classification: Family: Apidae         Genus: Bombus

Number of Species in Georgia: 17

Number of Species in the United States: 49

Photos taken by Sam Droege and staff at the USGS Bee Inventory and Monitoring Laboratory (Used with permission)

–> Click on the photo to enlarge the image

Bombus griseocollis Face with Tongue Extended.  These are known as long tongue bees.

Bombus griseocollis Face with Tongue Extended. These are known as long tongue bees.

Bombus griseocollis - side view

Bombus griseocollis – side view

Bombus griseocollis - dorsal view

Bombus griseocollis – dorsal view

Bombus griseocollis - Queen face

Bombus griseocollis – Queen face

Bombus griseocollis - Queen side view

Bombus griseocollis – Queen side view

Bombus bimaculatus-side view

Bombus bimaculatus-side view

Bombus bimaculatus-face

Bombus bimaculatus Face

Field photos taken by Mark Schlueter

 

Bombus griseocollis Queen on Apple Flower

Bombus griseocollis Queen on Apple Flower

Bumblebee on on Apple Flower

Bumblebee on on Apple Flower