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Identity of the mealybug described as Dactylopius calceolariae Maskell.
Author: Morrison, Harold
Call no: RP2235
Year: 1925
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Classification of scale insects of the subfamily Ortheziinae.
Author: Morrison, Harold
Call no: RP2236
Year: 1925
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An apparently new sugar-cane mealybug.
Author: Morrison, Harold
Call no: RP2250
Year: 1926
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