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ASPIDIOTUS (TARGIONIA) HELIANTHI, sp. nov.

Published online by Cambridge University Press:  31 May 2012

Percy J. Parrott
Affiliation:
Manhattan, Kansas

Extract

♀ scale 1.6 to 1.8 mm. in diameter, .5 to .6 mm. in altitude, circular, quite convex, roughish, a light brown with slight tinge of pink; ventral scale thick, white at centre with brown on margin, not easily separated from scale, when detached from host plant leaves but a very slight trace of white; exuviae sublateral, often nearly marginal, orange, covered with whitish secretion.

♀ oval, deep yellow, with dark brown on margin of posterior segment, and yellowish brown about mesal lobes and region of proboscis. When boiled in caustic potash becomes transparent, with mesal lobes a yellowish brown, and region of proboscis a reddish brown.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1899

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