. The Canadian entomologist. Insects; Entomology. THE CANADIAN ENTOMOLOGIST 239 I lie arsenical could be applied to the infested plants either as a dust or as a spray. If applied as a spra\s care should be taken not to use a pressure strong enough to submerge the pads. Plant parts well out of the water could be coated readily. It was noted that this insect was absent in areas where the pond-lilies were entirely co\cred 1)>- the tide each day. A NEW GRACILARIA INJURIOUS TO AVOCADO (LEPID.). BY AUGUST BUSCK, WASHINGTON, Gracilaria perseae, n. sp. Labial and maxilary palpi ochreous shaded
. The Canadian entomologist. Insects; Entomology. THE CANADIAN ENTOMOLOGIST 239 I lie arsenical could be applied to the infested plants either as a dust or as a spray. If applied as a spra\s care should be taken not to use a pressure strong enough to submerge the pads. Plant parts well out of the water could be coated readily. It was noted that this insect was absent in areas where the pond-lilies were entirely co\cred 1)>- the tide each day. A NEW GRACILARIA INJURIOUS TO AVOCADO (LEPID.). BY AUGUST BUSCK, WASHINGTON, Gracilaria perseae, n. sp. Labial and maxilary palpi ochreous shaded on the underside with black. Face light golden ochreous. Head and thorax purplish ochreous. Antenuct^ whitish with black annulations. Forewings light ochreous with a purplish sheen especially on dorsal half and apex; a few black scales on costa at basal fifth, a small black dot "on costa near the middle, and a few scattered black scales at apical fifth seem to be constant in all the specimens before me; there are also a few scattered black scales on the dorsal margin and the extreme apex is slightly clouded with dark scales. Cilia very dark nearly black. Hind wings blackish fuscous with black cilia. Abdomen blackish fuscous above. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Entomological Society of Canada (1863-1871); Entomological Society of Canada (1951- ); Entomological Society of Ontario. Ottawa [etc. ] Entomological Society of Canada [etc. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubje, booksubjectentomology
