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Charles Wesley Powell (May 5, 1854 – August 18, 1927) was an American hobbyist turned horticulturist specializing in the study of orchids (Orchidaceae). [1] He is credited with providing scientists the first large-scale collection of orchid specimens found in Panama.
The scale's activities can result in stress for the plant, causing reduced growth and giving it a greater susceptibility to plant diseases. [12] Mutualistic Formica fusca ants tending a herd of mealybugs. Scale insects in the genus Cryptostigma live inside the nests of neotropical ant species. [13]
The body or 'blade' of a typical scale consists of an upper and lower lamina. The surface of the lower lamina is smooth whereas the structure of the upper lamina is structured and intricate. Scales are attached to the substrate by a stalk or 'pedicel'. [1] The scales cling somewhat loosely to the wing and come off easily without harming the insect.
There is a correct way to water orchids, and it’s not with a cube of ice. “Bring the orchid to a sink and run water over the soil until water comes out of the bottom of the pot,” Kondrat says.
The orchid family is one of the largest flowering plant families in the world. Orchids can be found on every continent except Antarctica, from the steamy jungles of Asia to the dry deserts of ...
As tropical plants, orchids thrive 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 can ...
Keeled scales of a colubrid snake (banded water snake; Nerodia fasciata) In zoology, a scale (Ancient Greek: λεπίς, romanized: lepís; Latin: squāma) is a small rigid plate that grows out of an animal's skin to provide protection. In lepidopterans (butterflies and moths), scales are plates on the surface of the insect wing, and provide ...
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 ...