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Bombus ternarius
Also known as the Tricolored Bumblebee, Bombus ternarius is a common visitor on Goldenrod. Bombus ternarius is characterized by black on the head, with a few pale yellow hairs. The anterior and posterior thorax and the first and fourth abdominal segments are yellow, abdominal segments 2 to 3 are orange, and the terminal segments are black.
Commonly found where main food plants, Rubus, Goldenrods, Vaccinium and Milkweeds, are located.
Bombus huntii, common throughout the western United States, is nearly identical in coloration to ternarius, though it has primarily yellow facial hairs rather than black.
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