. Australian insects. Insects. lIOMOrTERA. 377 <-lustei'iiig over and often killino- the young trees. Eriococcus coriaceous varies from white to yellow in colour; the sac» are oval, with a distinct anal opening on the summit; they infest the foliage and twigs of many young Eucalypts. E. paradoxus is a somewhat larger, sticky insect; they mas». ^I Fig. 167.—Eriococczi^ coriaceous (Maskell). The Eucalyptus scale, Natura' size and enlarged. (Original photo. T. Kirk). together in regular lumps on the twigs of the same trees: while E. eucalypti, as far as my experience goes, is never found on gu
. Australian insects. Insects. lIOMOrTERA. 377 <-lustei'iiig over and often killino- the young trees. Eriococcus coriaceous varies from white to yellow in colour; the sac» are oval, with a distinct anal opening on the summit; they infest the foliage and twigs of many young Eucalypts. E. paradoxus is a somewhat larger, sticky insect; they mas». ^I Fig. 167.—Eriococczi^ coriaceous (Maskell). The Eucalyptus scale, Natura' size and enlarged. (Original photo. T. Kirk). together in regular lumps on the twigs of the same trees: while E. eucalypti, as far as my experience goes, is never found on gum trees, as its name implies, but upon the prickly twigs of Bursaria spinosa, and its sacs are more depressed: and have a browner Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Froggatt, W. W. (Walter Wilson), 1858-; Metcalf Collection (North Carolina State University). NCRS; Tippmann Collection (North Carolina State University). NCRS. Sydney, W. Brooks
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