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Marchalina hellenica is a scale insect that lives in the eastern Mediterranean region, mainly in Greece and Turkey. It is an invasive species in Melbourne, Australia. It lives by sucking the sap of pine trees, mainly the Turkish Pine and, to smaller extent, Aleppo Pine, Scots Pine and Stone Pine. It can be found in the cracks and under the scales of the bark of these trees, hidden under the white cotton-like wax it secretes. Its main form of reproduction is parthenogenesis.
The Sternorrhyncha suborder of the Hemiptera contains the aphids, whiteflies, and scale insects, groups which were traditionally included in the order Homoptera. "Sternorrhyncha" refers to the rearward position of the mouthparts relative to the head.
The Margarodidae or ground pearls are a family of scale insects within the superfamily Coccoidea. Members of the family include the Polish cochineal and Armenian cochineal and the original ground pearl genus, Margarodes. Beginning in 1880, a number of distinct subfamilies were recognized, with the giant coccids being the first. Although Maskell proposed a new family, many continued to regard the monophlebids as a mere subfamily for many years, and the Margarodidae classification continued to be polyphyletic through the 20th Century. Since then, taking the advice of Koteja several subfamilies and tribes have been elevated into their own families such as Matsucoccidae and Xylococcidae. The pared-down family of Margarodidae is monophyletic.
Paratachardina pseudolobata, the lobate lac scale, is a polyphagous and pestiferous lac scale insect, which damages trees and woody shrubs in Cuba, Florida, the Bahamas and the Australian territory of Christmas Island. It was mistakenly identified as Paratachardina lobata (Chamberlin), an insect native to India and Sri Lanka, but was in 2007 recognized and named as a distinct species based on material from Florida; its native distribution is as yet unknown. The new lac insect was described based on all stages of the female, during the revision of the genus Paratachardina, wherein all its known species were redescribed.
Diaspididae is the largest family of scale insects with over 2650 described species in around 400 genera. 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. These can be complex and extremely waterproof structures rather resembling a suit of armor. For this reason these insects are commonly referred to as armored scale insects. As it is so robust and firmly attached to the host plant, the scale often persists long after the insect has died.
Coccus is a genus of scale insects in the family Coccidae. Several species, such as Coccus viridis, a major pest of coffee, are important agricultural pests. The type species is Coccus hesperidumLinnaeus.
Eriococcidae is a family of scale insects in the order Hemiptera. They are commonly known as felt scales or eriococcids. Each species is usually specific to a different plant host, or closely related group of hosts.
Halimococcidae is a family of scale insects in the order Hemiptera. Members of the family are commonly known as pupillarial palm scales or halimococcids. Most species are found on the leaves of palm trees where they suck sap, but some species occur on Pandanus. The family was named by Brown and McKenzie in 1962 and includes five known genera and twenty one species.
Carayonemidae is a family of scale insects commonly known as carayonemids. They typically live among mosses and leaf litter which is unusual for scale insects. Members of this family come from Neotropical areas of South and Central America.
Monophlebidae is a family of scale insects commonly known as the giant scales or monophlebids. They occur in most parts of the world but more genera are found in the tropics than elsewhere.
Phenacoleachiidae is a family of scale insects commonly known as the phenacoleachiids. They are found only in the South Island of New Zealand, and on certain offshore islands. There are two species in a single genus.
Putoidae is a family of scale insects commonly known as giant mealybugs or putoids. There is probably a single genus, Puto, containing about sixty species. The genus name Macrocerococcus has also been used but it is now considered to be a synonym of Puto. The genus Puto was formerly classified as a member of the Pseudococcidae; however, it so significantly differed from the rest of the Pseudococcidae that it was accorded its own family Putoidae.
The scale insect genus Margarodes is a group in the family Margarodidae. The type species is Margarodes formicarum. The genus was erected in 1828 by Lansdown Guilding who found these waxy "pearls" in the soil on the island of Bahama, associated with ants, and named a species Margarodes formicarum.
Aulacaspis, is a scale insect genus in the family Diaspididae. The type species is Aulacaspis rosae.
Augulaspidina is a subtribe of armored scale insects. It was not confirmed by Takagi's 2002 study.
Chionaspidina is a subtribe of armored scale insects established by Borchenius. But unlike many of the subtribes recognized by Borchenius, this one was found to be morphologically valid by Takagi. Similarly, in molecular analysis, Andersen et al. found a clade roughly corresponding to the subtribe Chionaspidina.
Gallacoccus is a genus of the scale insects commonly known as beesoniids. They typically cause galls on their plant hosts. Gallacoccus anthonyae is the type species. Female members of the genus Gallacoccus have only three instars, in contrast to the other beesoniid genera where the females have four.
Trabutina mannipara, or mana scale, is a species of mealybug found in the Middle East and southern Europe. It is the most well-known of the five species in the genus Trabutina, of which it is the type species, due to its association with the biblical story of manna. T. mannipara feeds parasitically on tamarisk trees, and excretes a sweet substance which is sometimes collected for human consumption. Obsolete terms for it include Coccus manniparus and Trabutina palestina. This species can be found in the Sinai and Iraq.
Trabutina is a genus of "blue-green" mealybugs, containing five species: T. crassispinosa, T. elastica, T. mannipara, T. serpentina, and T. tenax. This genus of scale insects feeds solely on plants of the genus Tamarix. Its type species is T. mannipara.
"Blue-green" mealybugs are a group of related mealybug genera whose insides, during adulthood, are usually of the color which gives them their collective name. Alternately, this group may be referred to as blue-black mealybugs. It includes the genera Amonostherium, Australicoccus, Melanococus, and Nipaecoccus.
References
- McKenzie, H. L. (1942). "New species of pine-infesting Margarodidae from California and southwestern United States (Homoptera; Coccoidca; Margarodidae)". Microentomology. 7 (1): 1–18.
- Ben-Dov, Y. (2011). "An updated checklist of the scale insects (Hemiptera: Coccoidea) of the Margarodidae sensu lato group". Zootaxa . 2859: 1–62, page 46. Abstract and Table of Contents
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