| Diemeniana | |
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| Diemeniana frenchi specimen in the Australian Museum | |
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| Genus: | Diemeniana Distant, 1905 |
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See text. | |
Diemeniana is a genus of cicada in the cicadettini tribe of the Cicadinae subfamily native to Australia. Five species have been described. [1]
The cicadas are a superfamily, the Cicadoidea, of insects in the order Hemiptera. They are in the suborder Auchenorrhyncha, along with smaller jumping bugs such as leafhoppers and froghoppers. The superfamily is divided into two families, Tettigarctidae, with two species in Australia, and Cicadidae, with more than 3,000 species described from around the world; many species remain undescribed.
Magicicada is the genus of the 13-year and 17-year periodical cicadas of eastern North America, consisting of seven species. Although they are sometimes called "locusts", this is a misnomer, as cicadas belong to the taxonomic order Hemiptera, suborder Auchenorrhyncha, while locusts are grasshoppers belonging to the order Orthoptera. Magicicada belongs to the cicada tribe Lamotialnini, a group of genera with representatives in Australia, Africa, and Asia, as well as the Americas.
Cicada killer wasps are large, solitary, ground dwelling, predatory wasps. They are so named because they hunt cicadas and provision their nests with them, after stinging and paralyzing them. There are 21 species worldwide. The highest diversity occurs in the region between North Africa and Central Asia.
A leafhopper is the common name for any species from the family Cicadellidae. These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and are covered with hairs that facilitate the spreading of a secretion over their bodies that acts as a water repellent and carrier of pheromones. They undergo a partial metamorphosis, and have various host associations, varying from very generalized to very specific. Some species have a cosmopolitan distribution, or occur throughout the temperate and tropical regions. Some are pests or vectors of plant viruses and phytoplasmas. The family is distributed all over the world, and constitutes the second-largest hemipteran family, with at least 20,000 described species.
The Auchenorrhyncha suborder of the Hemiptera contains most of the familiar members of what was called the Homoptera – groups such as cicadas, leafhoppers, treehoppers, planthoppers, and spittlebugs. The aphids and scale insects are the other well-known "Homoptera", and they are in the suborder Sternorrhyncha. Lesser-known insects largely regarded as Homoptera are the Coleorrhyncha. However, the taxonomic status of the Hemiptera and Homoptera is currently under investigation and discussion. See Heteroptera and Prosorrhyncha for more information.
The clypeus is one of the sclerites that make up the face of an arthropod. In insects, the clypeus delimits the lower margin of the face, with the labrum articulated along the ventral margin of the clypeus. The mandibles bracket the labrum, but do not touch the clypeus. The dorsal margin of the clypeus is below the antennal sockets. The clypeus is often well-defined by sulci ("grooves") along its lateral and dorsal margins, and is most commonly rectangular or trapezoidal in overall shape.
The Tettigarctidae, known as the hairy cicadas, are a small relict family of primitive cicadas. Along with more than 20 extinct genera, Tettigarctidae contains a single extant genus, Tettigarcta, with two extant species, one from southern Australia and one from the island of Tasmania. Fossil taxa include Paratettigarcta from the Miocene of New Zealand, Meuniera from the Paleocene of France, and Sanmai from the Late Jurassic of China, and Maculaferrum of early Late Cretaceous Canada.Tettigarcta are the closest living relatives of the true cicadas.
Cicada is a fictional character appearing in American comic books published by DC Comics.
Thopha saccata, commonly known as the double drummer, is the largest Australian species of cicada and reputedly the loudest insect in the world. Documented by the Danish zoologist Johan Christian Fabricius in 1803, it was the first described and named cicada native to Australia. Its common name comes from the large dark red-brown sac-like pockets that the adult male has on each side of its abdomen—the "double drums"—that are used to amplify the sound it produces.
Psaltoda moerens, commonly known as the redeye, is an Australian species of cicada. It is distributed through the south-east of Australia, from southern Queensland to South Australia, as well as Tasmania. Populations can vary greatly between years; one year they may be present in large numbers and the next they may be entirely absent. They feed primarily on eucalyptus but also on Angophora trees. As they feed on tree sap they expel small droplets of clear waste fluid. When numbers are high, this can form a constant stream.
Cyclochila australasiae, commonly known as the green grocer, is a species of cicada and one of Australia's most familiar insects. It is distributed through coastal regions of southeastern Australia. It is one of the loudest insects in the world.
Aleeta curvicosta is a species of cicada, one of Australia's most familiar insects. Native to the continent's eastern coastline, it was described in 1834 by Ernst Friedrich Germar. The floury baker is the only described species in the genus Aleeta.
Psaltoda plaga is a species of cicada native to eastern Australia, from Maryborough in central Queensland to Bega in southern New South Wales. Adult cicadas appear over the summer and inhabit forested areas near bodies of water. The predominantly black form from the Sydney and Central Coast regions is commonly known as the black prince, while the term silver knight is used for the species as a whole.
The Australian cicada killer wasp, Exeirus lateritius, the sole member of the genus Exeirus, is a large, solitary, ground-dwelling, predatory wasp. It is related to the more common genus of cicada killers, Sphecius. In Australia, E. lateritius hunts over 200 species of cicada.
Abricta is a genus of cicada found in Réunion, Mauritius, northeastern India, the Moluccas, New Caledonia and eastern Australia. They make a distinctive hissing sound when calling. Adult members of the genus usually face downwards on tree branches, and lay their eggs in living tissue. The genus was originally described by Carl Stål. The type species is Abricta brunnea from Mauritius and Reunion. However, recent review of the genus has shown it to be a disparate group of species, and the Australian members moved to other genera. S.M. Moulds conducted a morphological analysis of the genus and found the cicadas split naturally into clades according to biogeographical region. Of the 15 Australian species, the floury baker was the earliest offshoot. Unpublished data confirmed it was quite genetically distant from the other 14 species and so it was classified in a new monotypic genus Aleeta, while the others were placed in the genus Tryella.
Arunta perulata is a large cicada native to Australia. It is also known as the white drummer cicada. The name floury baker was previously applied to this species, but that name is now specific to Aleeta curvicosta.
Macrotristria angularis, commonly known as the cherrynose, is an Australian cicada native to eastern Australia, where it is found in sclerophyll forests.
Cicada 3301 is a nickname given to an organization that, on three occasions, has posted a set of puzzles to recruit codebreakers from the public. The first internet puzzle started on January 4, 2012, on 4chan and ran for nearly a month. A second round began one year later on January 4, 2013, and then a third round following the confirmation of a fresh clue posted on Twitter on January 4, 2014. The third puzzle has yet to be solved. The stated intent was to recruit "intelligent individuals" by presenting a series of puzzles which were to be solved. No new puzzles were published on January 4, 2015. However, a new clue was posted on Twitter on January 5, 2016. In April 2017, a verified PGP-signed message was found. It explicitly denies the validity of any unsigned puzzle. A verified puzzle has not been posted since.
Cicadettinae is a subfamily of cicadas in the family Cicadidae. About 230 genera and 1,200 described species are placed in the Cicadettinae.
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