ONH

White-spotted Sawyer

Monochamus scutellatus

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    1 - White-spotted Sawyer, Monochamus scutellatus on Yarrow flowers.

    09/11/2007 Hurricane Hill Area, Olympic National Park, Washington

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    2 - White-spotted Sawyer.

    09/06/2011 Heart O' the Hills Area, Olympic National Park, Washington

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    3 - White-spotted Sawyer.

    08/24/2016 Paradise Area, Mt. Rainier National Park

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    4 - White-spotted Sawyer.

    07/15/2023 Heart O' the Hills Area, Olympic National Park, Washington

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    5 - White-spotted Sawyer mating pair. Note the male’s huge antennae.

    08/12/2016 Obstruction Point Road near the Cox Valley Trailhead, Olympic National Park, Washington

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    6 - White-spotted Sawyer mating pair. Note the male’s antennae, with a span longer than my 10 centimeter pocket ruler.

    08/12/2016 Obstruction Point Road near the Cox Valley Trailhead, Olympic National Park, Washington

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    7 - White-spotted Sawyer mating pair.

    08/12/2016 Obstruction Point Road near the Cox Valley Trailhead, Olympic National Park, Washington

White-spotted Sawyers, aka Spruce Sawyers, appear every summer on the shingles of our house (slide 4). We’ve also seen them in the Hurricane Ridge area of Olympic National Park and at Mt. Rainier National Park. Some males have extremely long antennae (slides 5 and 6).