Tuesday, October 22, 2013

Oct 21, 2013: Bedstraw Sphinx

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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