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The adult female scale insect is oval and dome-shaped, about 3 to 5 mm (0.12 to 0.20 in) long. It retains its legs and antennae throughout its life. Its cuticle is made of chitin but it does not produce the copious quantities of wax that armoured scales do. It is a pale yellowish-brown or greenish-brown colour with brown irregular speckles, and ...
a) underside of scale showing female and eggs, x24 b) scale upperside, x24 c) female scales on twig d) male scale, x12 e) male scales on twig. Female scale insects in more advanced families develop from the egg through a first instar (crawler) stage and a second instar stage before becoming adult. In more primitive families there is an ...
Wax scale, Ceroplastes cirripediformis. The Coccidae are a family of scale insects belonging to the superfamily Coccoidea. They are commonly known as soft scales, wax scales or tortoise scales. The females are flat with elongated oval bodies and a smooth integument which may be covered with wax.
As tropical plants, orchids thrive at between 50 and 80 degrees Fahrenheit. However, you want to avoid placing them directly next to or in line with an air vent because either warm or cold gusts ...
As with all scale insects, the female produces a waxy protective scale beneath which it feeds on its host plant. Diaspidid scales are far more substantial than those of most other families, incorporating the exuviae from the first two nymphal instars and sometimes faecal matter and fragments of the host plant. [ 1 ]
Orchids like bright but indirect light and temperatures between 70°F and 90°F. Kondrat says to put your orchid by an east window if possible, but south and west may also be OK. Again, you need ...
The Orchid World, an illustrated journal devoted to orchidology by Gurney Wilson. Orchidology is the scientific study of orchids . It is an organismal-level branch of botany .
Orchid blooms drop off eventually from natural causes, of course, but if the flowers are falling off prematurely, there may be a problem. 1. Sudden Temperature Changes.