Which characteristic applies to the hind legs of female *B. lapidarius* when they are not carrying pollen?
Answer
Shiny and black, with no yellow hair
The hind legs of the queens and workers appear shiny and black when empty, and they do not possess any yellow hair on these legs.
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In which region is the red-tailed bumblebee designated as Near Threatened?What distinguishes the appearance of the male red-tailed bumblebee from the queen or worker?What is the key visual difference between female *B. lapidarius* and female Red-shanked Carder Bees (*B. ruderarius*) regarding the legs?What does the Latin name *Bombus lapidarius* roughly translate to, indicating its nesting preference?What unusual social dynamic has been observed concerning eggs laid by the queen in *B. lapidarius* colonies?What feature distinguishes the female Red-tailed Cuckoo Bee (*B. rupestris*) from the female *B. lapidarius*?What behavior describes an individual *B. lapidarius* worker repeatedly returning to the same successful foraging spots?What is unusual regarding the social hierarchy among the workers in a *B. lapidarius* colony?Which characteristic applies to the hind legs of female *B. lapidarius* when they are not carrying pollen?Why is *B. lapidarius* considered ecologically important concerning pollination during hot periods?