. Elementary entomology . Fig. 240. Australian ladybird-beetle (JVovius cardinalis), the enemy of the white scale. (Natural size) a, ladybird lan'ae feeding on adult female and egg sac; /', pupa; c, adult ladybird ; d, orange twig, showing scales and ladybirds. (After Marlatt, United States Department of Agriculture)

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912