Species Eriococcus crofti Froggatt, 1916

Museums

Regional Maps

• Eriococcus crofti Froggatt, W.W. 1916. A descriptive catalogue of the scale insects (Coccidae) of Australia. (Part II [in part]). Agricultural Gazette of New South Wales 27: 425-430, 568-577, 809-816, 883-888 [430].

Ecological Descriptors

Sap-feeder.

ID Keys

(Gullan, P.J. & Vranjic, J.A., 1991) [26] (adult female; Australian species of Eriococcus on Eucalyptus)

STRUCTURE

Adult female pear-shaped and reddish brown in color. Sacs are formed half buried in the cracks of the bark, are irregular in form and brown in color (see Froggatt, W.W. 1916. A descriptive catalogue of the scale insects (Coccidae) of Australia. (Part II [in part]). Agricultural Gazette of New South Wales 27: 425–430, 568–577, 809–816, 883–888).

ECONOMIC AND CONTROL

Adult infestation causes bark to crack, flake and become greasy looking and blackened (see Froggatt, W.W. 1916. A descriptive catalogue of the scale insects (Coccidae) of Australia. (Part II [in part]). Agricultural Gazette of New South Wales 27: 425–430, 568–577, 809–816, 883–888).

GENERAL

Detailed description and illustration by Froggatt, W.W. 1916. A descriptive catalogue of the scale insects (Coccidae) of Australia. (Part II [in part]). Agricultural Gazette of New South Wales 27: 425–430, 568–577, 809–816, 883–888; Froggatt, W.W. 1921. A descriptive catalogue of the scale insects (Coccidae) of Australia. (Part II [Concl.]). Science Bulletin, Department of Agriculture, New South Wales 18: 1–159.

SYSTEMATICS

Slide-mounted adult female with: distinct marginal row of enlarged setae (see Gullan, P.J. & Vranjic, J.A. 1991. The taxonomy of the gum tree scales Eriococcus confusus Maskell and E. coriaceus Maskell (Hemiptera: Coccoidea: Eriococcidae). General and Applied Entomology 23: 21–40).

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