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Notes on Coccidae occurring in the Seychelles Islands, with descriptions of new species

Published online by Cambridge University Press:  10 July 2009

Extract

The new species, described below, have been received from Mr. R. Dupont, Superintendent of Botanic Stations in the Seychelles.

Aspidiotus (Chrysomphalus) ansei, sp. nov. (fig. 1).

Female puparium irregularly circular or broadly ovate ; flattish or moderately convex. Very pale brownish ochreous, semitransparent ; pellicles darker, central. Diameter averaging 1·45 mm.

Male puparium smaller and more distinctly ovate ; pellicle nearer one extremity. Length 1 mm.

Adult female broadly rounded in front, narrowed and bluntly pointed behind. Margins of abdominal segments moderately produced. Pygidium (fig. 1) with six well developed prominent rounded lobes, the median pair indented on each side, the two lateral lobes more conspicuously indented on the outer side. Squames. long and deeply fimbriate : two in each of the median and first lateral spaces, three in the second lateral space, and three beyond the outer lateral lobe, followed immediately by a stout marginal prominence, beyond which the margin is slightly cristate for a short distance. Spines few, small and inconspicuous. Paraphyses, four on each side, elongate, conspicuous. Anal orifice near the extremity. Circumgenital glands in four groups: upper laterals with 3 to 4 pores, lower laterals with 2 to 3. Oval dorsal pores in two series on each side. Numerous long slender ducts communicating with the dorsal and marginal pores. Length, 1 mm.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1916

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