Checklist of Pennsylvania bees documents 49 new species and some that may be endangered

Image of cuckoo bee on white flowers.

(Penn State) A study documenting bees that are reported to occur in Pennsylvania has found the presence of 437 species, including 49 never before recorded in the state. Researchers said the resulting checklist of bees in the commonwealth also identifies species not native to North America and several native species that may be of conservation concern.