"Birch Sawfly" larvae (Croesus septentrionalis) on a leaf.

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Size: 5139px × 3394px
Photo credit: © Jim Clark / LGPL / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biology, birch, british, caterpillar, country, countryside, ecology, english, entomology, environment, european, infestation, insect, invertebrate, larvae, lgpl, life, natural, pest, sawfly, science, wildlife