A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them (1891) (14595827477)

Identifier: handbookofdestru02vict (find matches)
Title: A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them
Year: 1891 (1890s)
Authors: Victoria. Dept. of Agriculture French, Charles, 1843- Tippmann Collection (North Carolina State University). NCRS
Subjects: Insect pests Insects
Publisher: Melbourne, R. S. Brain, Government Printer
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries



Text Appearing Before Image:
happened in thelithographing ; otherwise the drawings are correct. THE OLEANDEB SCALE. .) 1 The common name of this insect, Lemon-peel Scale, isadapted from Dr. Cookes work, as in America it wouldappear to be known by that name. In Victoria, however,when it does attack oranges or lemons, it is generally theleaves and not the fruit that suffer most. It has beenthought advisable to retain the common name of OleanderScale, as common names, more especially when notliterally translated, are often not only useless, but abso-lutely misleading. In Victoria, however, the oleander is,so far as I am aware, attacked only by the olive scale,Lecanium Olece, and by an aphis. 52 DESTRUCTIVE INSECTS OF VICTORIA. PLATE XXII. Red Scale of the Orange (Aspidiotus Coccineit —Gennadius).Fig. 1. Orange branch, showing scale on leaves ami stem. Natural size. 2. Fruit, showing scale. Natural size. 3. Male puparia. Magnified. 4. Female. Magnified. 5. Male, top view. Magnified.5a. Male, under view. Magnified.
Text Appearing After Image:
■ Plate XXII. THE EED SCALE OF ORANGE. 53 CHAPTER XXVII. THE RED SCALE OF ORANGE. (Aspidiotus Coccineus. Gennadius.) Order : Hemiptera. Sub-order : Homoptera. Family : Coccididce. Female puparium really dirty-white, but seeminglyyellowish-brown from the colour of the insect beneath;sometimes dark-brown; circular, flat, diameter aboutyy inch. Male puparmm (see Plate XXII., Fig. 3) much smaller,rather oval. Adult female (see Fig. 4) yellow, becoming brown atlast; peg-topped shaped, but the abdominal segment iscomparatively so small, and is so much overlapped by theothers, that the insect looks almost globular. Lengthabout t1- inch. Abdomen ending in six lobes. Adult male (see Figs. 5 and 5a) very small, brown oryellow in colour. Antennae ten joints. Thorax shortand thick. Wings oval, about as long as the body.Legs hairy. The above descriptions are abbreviated from Maskell,for reasons before stated. The well-known Red Scale, so commonly to be foundattacking oranges and lemons in many d