| Xylococcus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hemiptera |
| Suborder: | Sternorrhyncha |
| Family: | Xylococcidae |
| Genus: | Xylococcus Lôw, 1882 |
Xylococcus is a genus of scales and mealybugs in the family Xylococcidae. There are about six described species in Xylococcus. [1] [2]
These six species belong to the genus Xylococcus:
The Dytiscidae – based on the Greek dytikos (δυτικός), "able to dive" – are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species live among leaf litter. The adults of most are between 1 and 2.5 cm (0.4–1.0 in) long, though much variation is seen between species. The European Dytiscus latissimus and Brazilian Megadytes ducalis are the largest, reaching up to 4.5 cm (1.8 in) and 4.75 cm (1.9 in) respectively. In contrast, the smallest is likely the Australian Limbodessus atypicali of subterranean waters, which only is about 0.9 mm (0.035 in) long. Most are dark brown, blackish, or dark olive in color with golden highlights in some subfamilies. The larvae are commonly known as water tigers due to their voracious appetite. They have short, but sharp mandibles and immediately upon biting, they deliver digestive enzymes into prey to suck their liquefied remains. The family includes more than 4,000 described species in numerous genera.
The Satyrinae, the satyrines or satyrids, commonly known as the browns, are a subfamily of the Nymphalidae. They were formerly considered a distinct family, Satyridae. This group contains nearly half of the known diversity of brush-footed butterflies. The true number of the Satyrinae species is estimated to exceed 2,400.
Batomys is a genus of rodent endemic to the Philippines. It has six described species.
The Chamaemyiidae are a small family of acalyptrate flies with less than 200 species described worldwide. The larvae of these small flies are active and predatory and are often used for biological control of aphids, scale insects, and similar pests. Chamaemyiid fossils are poorly represented in amber deposits, but a few examples are known from the Eocene epoch onwards.
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.
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.
Xylococcus is a monotypic genus of flowering plants in the heath family which contains the single species Xylococcus bicolor, the mission manzanita.
Cerococcidae is a family of scale insects commonly known as ornate pit scales or cerococcids. There are 83 species in 5 genera. Members of this family occur in all regions of the world.
Pinnaspis, first described by Theodore Dru Alison Cockerell in 1892, is a genus of scale insects belonging to the family Diaspididae, or armored scale insects. There are currently 42 species within the genus Pinnaspis.
Dactylopius is a genus of insect in the superfamily Coccoidea, the scale insects. It is the only genus in the family Dactylopiidae. These insects are known commonly as cochineals, a name that also specifically refers to the best-known species, the cochineal. 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. Genus Dactylopius is also important because several species have been used as agents of biological pest control, and because several are known as invasive species.
Burmacoccus is an extinct genus of scale insect in the extinct monotypic family Burmacoccidae, containing a single species, Burmacoccus danyi. The genus is solely known from the Albian – Cenomanian Burmese amber deposits.
Albicoccus is an extinct genus of scale insect in the extinct monotypic family Albicoccidae, containing a single species, Albicoccus dimai. The genus is solely known from the Albian - Cenomanian Burmese amber deposits.
Marmyan is an extinct genus of scale insect, containing a single species, Marmyan barbarae and unplaced in any coccid family. The genus is solely known from the Albian – Cenomanian Burmese amber deposits.
Coelostomidiidae is a family of scales and mealybugs in the order Hemiptera. There are about 5 genera and 11 described species in Coelostomidiidae.
Kuwaniidae is a family of scales and mealybugs in the order Hemiptera. There are at least 4 genera and about 14 described species in Kuwaniidae.
Matsucoccidae is a family of scales and mealybugs in the order Hemiptera. There are at least 2 genera and more than 40 described species in Matsucoccidae.
Pityococcidae is a family of scales and mealybugs in the order Hemiptera. There are at least three genera and about eight described species in Pityococcidae.
Steingeliidae is a family of scales and mealybugs in the order Hemiptera. There are about 5 genera and 10 described species in Steingeliidae.
Xylococcidae is a family of scales and mealybugs in the order Hemiptera. There are at least 4 genera and about 11 described species in Xylococcidae.
Stigmacoccus is a genus of scales and mealybugs in the family Stigmacoccidae. There are at least three described species in Stigmacoccus.
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