. Drawn by] U- ^- ^orer Fig. 23 Metarrhizium anisoplioe Sorok Septohasidium extend over whole colonies, spreading over the surface of leaves or enveloping leaves or branches. An undescribed Empusa species appears to be fairly common on Coccus viridis, the common green scale, developing within the body so that its victims merely look dry and brown. Aspergillus flavus is very common on Pseudococcus calceolarice, the sugar- cane mealy bug ; VerticilUum heterocladum has been found on citrus white fly in a Barbados gully. Aphides are frequently found covered with a Hormodendron sp. which has been e

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. Drawn by] U- ^- ^orer Fig. 23 Metarrhizium anisoplioe Sorok Septohasidium extend over whole colonies, spreading over the surface of leaves or enveloping leaves or branches. An undescribed Empusa species appears to be fairly common on Coccus viridis, the common green scale, developing within the body so that its victims merely look dry and brown. Aspergillus flavus is very common on Pseudococcus calceolarice, the sugar- cane mealy bug ; VerticilUum heterocladum has been found on citrus white fly in a Barbados gully. Aphides are frequently found covered with a Hormodendron sp. which has been experimentally found to be able to kill Coccus viridis. Thrips on cacao in St. Vincent are subject to epidemics of

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectplantdi, bookyear1923