What common feature often identifies the entrance of an ashy mining bee's nest in the soil?
Answer
A tiny volcano-like rim of soil around the entrance.
The excavated burrows are usually small and barely noticeable, sometimes featuring a small ridge of soil resembling a miniature volcano around the opening.
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What is the primary reason the ashy mining bee is often mistakenly perceived as rare by casual observers?What are the distinguishing visual characteristics of the female *Andrena cineraria*?What is the scientific name for the ashy mining bee?How is the nesting behavior of the ashy mining bee classified?What range of length do adult ashy mining bees typically measure?Which early spring flowering plants are highlighted as crucial food sources for the ashy mining bee?What common feature often identifies the entrance of an ashy mining bee's nest in the soil?How do the males of *Andrena cineraria* generally differ visually from the females?In what region is the ashy mining bee generally considered common and widespread, despite its short season?What level of aggression is typically associated with the ashy mining bee?What is a practical recommendation for gardeners wishing to support the nesting of *A. cineraria*?How does the ashy mining bee provision its individual nest cells?