Another sphinx moth that inhabits the Park is the Bedstraw Sphinx (or Gallium Sphinx), although not as common as the White-lined Sphinx. Twice now I have found the caterpillar of this species. As with the White-lined Sphinx, the caterpillar is highly variable. The photo shows the only variation that I have observed. The larva is up to 8 cm long. Common foodplants include: bedstraw, fireweed, and other plants in the evening primrose family (Onagraceae). 10/17/13 (Wolf. Oesterreich)
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