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Cochineal insects are soft-bodied, flat, oval-shaped scale insects. The females, wingless and about 5 mm (0.20 in) long, cluster on cactus pads. They penetrate the cactus with their beak-like mouthparts and feed on its juices, remaining immobile unless alarmed. After mating, the fertilised female increases in size and gives birth to tiny nymphs ...
Opuntia cochenillifera is a species of cactus in the subfamily Opuntioideae. It may have been endemic to Mexico, but has been widely introduced. [1] The first description was in 1753 by Carl Linnaeus as Cactus cochenillifer. Philip Miller renamed it as Opuntia cochenillifera in 1768.
A new strain of the cochineal was introduced from Opuntia stricta collected in Australia in 1997 with encouraging results. The genotype of Dactylopius opuntiae which effectively controlled Opuntia stricta in South Africa was also introduced in Kenya, resulting in the reduction in flowering and fruiting, and leading to the death of the plants.
These insects are known commonly as cochineals, [2] [3] a name that also specifically refers to the best-known species, the cochineal (Dactylopius coccus). The cochineal is an insect of economic and historical importance as a main source of the red dye carmine. It has reportedly been used for this purpose in the Americas since the 10th century. [2]
Hoàng Lê nhất thống chí (皇 黎 一 統 志, Records of the Unification of Imperial Lê), also known as An Nam nhất thống chí (安 南 一 統 志, Records of the Unification of Annam), written by the Writers of Ngô family (吳 家 文 派, Ngô gia văn phái), is a Vietnamese historical novel written in Classical Chinese which consists of 17 chapter based upon the events in the ...
Cochemiea conoidea is an solitary, unbranched cylindrical cactus up to 24 cm (9.6 inches) tall and up to 8 cm (3.2 inches) in diameter. The somewhat yellowish-green to green shoots, usually with whitish woolly tips, are spherical to cylindrical, with diameters of 3 to 6 centimeters and heights of 5 to 24 centimeters.
Since 2006, the tribe has included the former tribe Pachycereeae in many treatments of cactus classification. The exact circumscription of the tribe has been subject to considerable change, particularly since molecular phylogenetic approaches have been used in determining classifications, and remains uncertain.
Soehrensia spachiana grows as a cactus with a columnar habit, reaching 2 m (7 ft) high, with a diameter of 5–6 cm (2– 2 + 1 ⁄ 4 in). [2] Vertical branches arise from the base of the plant. [3] Each column has 10–15 rounded ribs. The large areoles are around 1 cm apart, and have wavy yellow hairs. The straight spines are red-yellow ...