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Aulacaspis yasumatsui, or cycad aulacaspis scale (CAS), is a scale insect species in the genus Aulacaspis that feeds on cycad species such as Cycas revoluta [1] or Dioon purpusii (Purpus' cycad). Other common names include the cycad scale, the sago palm scale, [2] and the Asian cycad scale. [3] This is a serious pest of cycads which can kill ...
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 ...
Fiorinia phantasma was described from the Philippines in 1915, where it had been collected from Neolitsea. [1] The first documented occurrence outside the Philippines and the first case of invasion was reported from the Hawaii Islands, where heavy infestations were reported from Oahu Island on Ligustrum japonicum in 2004, and on Pittosporum tobira in 2008.
Moth orchids, also called phalaenopsis orchids, which are commonly sold by florists and big box stores, can last for a couple of months, says Justin Kondrat, lead horticulturist at the Smithsonian ...
Scale leaves on the bud of a pear tree Scale leaves on the caulis of a Tussilago. A scale leaf is a leaf with a reduced blade which is mainly formed by the amphigastrium. It can be dry, membranous or coriaceous, but also sometimes green. Scale leaves protect with their bud scales the leaves and flowers inside the bud from drying out in winter ...
Other species damage sugarcane, grapes, pineapple (Jahn et al. 2003), coffee trees, cassava, ferns, cacti, gardenias, papaya, mulberry, sunflower and orchids. Mealybugs only tend to be serious pests in the presence of ants because the ants protect them from predators and parasites. [ 2 ]
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Lobate lac scale insects infest at least 94 species of native trees in Florida, particularly the wax myrtle (Myrica cerifera), cocoplum (Chrysobalanus icaco), and buttonwood (Conocarpus erectus). Severe infestations can kill trees and shrubs, and dense infestations have been found in hardwood hammocks which are defined by the diversity of trees.