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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 ...
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.
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.
Dactylorhiza hatagirea is a species of orchid generally found growing in the Himalayas, from Pakistan to SE Tibet, at altitudes of 2,800–4,000 metres (9,200–13,100 ft). It is locally called 'salam panja' or 'hatta haddi'.
The special fragrance collection organs are seen on the large hind legs of this Euglossa viridissima as it sleeps on a leaf. Male orchid bees have uniquely modified legs which are used to collect and store different volatile compounds (often esters) throughout their lives, primarily from orchids in the subtribes Stanhopeinae and Catasetinae, where all species are exclusively pollinated by ...
It reflects the considerable progress in orchid taxonomy that had been made since Dressler published his classification in 1993. In the 1990s, orchid taxonomy began to be influenced by molecular phylogenetics based on DNA sequences. The first molecular phylogenetic study to include a substantial sample of orchids was published in 1999. [12]
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Dendrobium nobile is a sympodial orchid that forms pseudobulbs. When the mother plant's life cycle ends, it produces offsets, continuing the plant's life. The new plant then repeats this cycle. Its inflorescence is erect, with blooms forming along the length of the flowering stem.