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A NEW PULVINARIA FROM NEW MEXICO

Published online by Cambridge University Press:  31 May 2012

Geo. B. King
Affiliation:
Lawrence, Mass.

Extract

Pulvinaria Tinsleyi, n. sp.

Shriveled adult female scales on the twigs, light brown, elliptical, convex. Ovisac, clear white, texture as in P. innumerabilis. After boiling in K. O. H., derm colourless, not pitted or tessellate. Legs and anal plates tinged with yellow. Spines of lateral cleft in threes, one long and curved; 76 μ long, two quite short, 28 μ long. Margin with one row of stout blunt spines 40 μ long, 6 broad. Anal plates heart shaped, each 100 μ broad and 136 μ long, Antennæ 7-jointed, width quite constant, but the length of the joints seems to be quite variable. I have examined ten, with the following results in μ: Joint (1) 24 to 40, (2) 40–60, (3) 68–80, (4) 52–64, (5) 28–36, (6) 28–40, (7) 44–52. Formula 3472651. Joint 3 is always longest, while 4 is nearly as long, but never equal; 1 is always the shortest, 5 and 6 are next and sometimes nearly equal. Joints 2 and 3 have two long hairs each; 5 and 6 have 3 each; 7 seems to have 9, the terminal one very long.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1900

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