Dark and speckled or mottled weevils number in the hundreds of species, but I like
Larinus turbinatus for this ID, as it is a good match for at least 6 body features and it is a new introduction (from Europe) for Pennsylvania and Maryland.
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(matches: black body, speckle pattern, curved thorax junction with wings, snout size, antennae length and whitish knobs, PA location)
Although this is one of many thistle weevils, adult weevils can be found in many scattered areas outdoors.