Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-28T10:20:50.840Z Has data issue: false hasContentIssue false

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

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)