. A descriptive catalogue of the scale insects ("Coccidae") of Australia. Insects -- Australia; Scale insects. 24 SCIENCE BULLETIN, No. 18. Ctenochiton serrata, This beautiful species was collected by Mr. L. J. Newman, on the leaves of an undetermined species of Acacia, at Geraldton, Western Australia. Adult female reddish brown, flattened, elongate, oval, with the central portio 1 showing a slight dorsal stripe; anal cleft triangular with the extremi- ties of the anal segment rounded and turning inwards. Length, } inch. The whole dorsal surface covered with chrystalline wax, p
. A descriptive catalogue of the scale insects ("Coccidae") of Australia. Insects -- Australia; Scale insects. 24 SCIENCE BULLETIN, No. 18. Ctenochiton serrata, This beautiful species was collected by Mr. L. J. Newman, on the leaves of an undetermined species of Acacia, at Geraldton, Western Australia. Adult female reddish brown, flattened, elongate, oval, with the central portio 1 showing a slight dorsal stripe; anal cleft triangular with the extremi- ties of the anal segment rounded and turning inwards. Length, } inch. The whole dorsal surface covered with chrystalline wax, produced in short angular thorn-like plates; the central portion consisting of four parallel rows of semi-transparent wax, with the outer margin fringed with a pro- jecting rim of much larger angular plates of bright yellow wax. This wax is easily removed with chloroform, leaving the naked, elongated, oval coccid exposed to view. The male test is shaped like a slipper, rounded at the toe and truncate at the hind margin; the rounded dorsal surface covered with pale crystalline plates of irregular shape, with the front and margins yellow, the former covered with short waxy spines. Ctenochiton trans far ens, (Fig. 12). This .curious species was obtained by Mr. L. J. Newman upon the foliage of an undetermined species of Acacia, near Geraldton, Western Australia. The adult female is enveloped in an oval rounded mass of pale yellow waxy matter, with no apparent structure on the dorsal surface, but on the margins against the leaf produced into a fringe of irregular flattened angular plates, right roimd the margin. Cleared of the waxy matter, the female measures I inch in length; dull yellow, mottled with dark-brown; convex longer than broad, with the cephalic region rather narrow in front, and the anal segment contracted almost into a peg at the extremity; the dorsal surface covered with irregularly rounded pits, forming two parallel rows down the centre and a similar band round t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscalein, bookyear1915
