Mupli beetle | |
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A Mupli beetle resting on a pencil | |
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Species: | L. tristis |
Binomial name | |
Luprops tristis | |
Luprops tristis, the Mupli beetle, is a plant detritus eating darkling beetle found in parts of India. The adult beetle is black and around 8 millimetres (0.31 in) long. While they are usually harmless to humans, when squeezed or picked up, they produce a defensive phenolic secretion that causes skin burns. Luprops beetles have a notorious reputation since they can make life difficult when large populations invade farm houses, as reported in some parts of southern India, especially the state of Kerala. In Kerala they are variously called Muplivandu ("മുപ്ലി വണ്ട്") or Kotteruma ("കോട്ടെരുമ") or Karivandu ("കരിവണ്ട്") in Malayalam. [1]
Luprops tristis goes through five larval instar stages and a pupal stage before the adult stage. The adult beetle is colored black. There is very little sexual dimorphism, and males and females overlap in size. [2] After a month of active feeding in the adult form, they go into a lengthy dormant period in a suitable undisturbed dark location in response to the first summer rains [3] before emerging again to feed and reproduce. [1]
In the rubber plantations of tropical southern India in Kerala, Mupli beetles are considered a major nuisance, to the point of infestations rendering some buildings uninhabitable. While these beetles do not deliberately attack people, they produce a defensive odoriferous phenolic secretion when provoked that causes skin blisters. This is most commonly triggered by accidentally squeezing a beetle. They invade homes and other buildings in very large numbers, estimates ranging up to 4.5 million individuals in a single building. [1] They will then enter the dormant stage in masses, creating beehive-like masses under the roof. Like many other insects they are attracted to light, and can be more of a nuisance at night. One effective and harmless way to kill these beetles is to spray kerosene in the infected areas. It will kill them instantly as long as the kerosene is physically present. However, once vaporized, it becomes ineffective. Nevertheless, spraying petrol is one of the most cost-effective ways for the instantaneous termination of beetles although one must take care to preempt the possibility for fire.
Silphidae is a family of beetles that are known commonly as large carrion beetles, carrion beetles or burying beetles. There are two subfamilies: Silphinae and Nicrophorinae. Members of Nicrophorinae are sometimes known as burying beetles or sexton beetles. The number of species is relatively small, at around two hundred. They are more diverse in the temperate region although a few tropical endemics are known. Both subfamilies feed on decaying organic matter such as dead animals. The subfamilies differ in which uses parental care and which types of carcasses they prefer. Silphidae are considered to be of importance to forensic entomologists because when they are found on a decaying body they are used to help estimate a post-mortem interval.
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A pupa is the life stage of some insects undergoing transformation between immature and mature stages. Insects that go through a pupal stage are holometabolous: they go through four distinct stages in their life cycle, the stages thereof being egg, larva, pupa, and imago. The processes of entering and completing the pupal stage are controlled by the insect's hormones, especially juvenile hormone, prothoracicotropic hormone, and ecdysone. The act of becoming a pupa is called pupation, and the act of emerging from the pupal case is called eclosion or emergence.
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The Adephaga are a suborder of beetles, and with more than 40,000 recorded species in 10 families, the second-largest of the four beetle suborders. Members of this suborder are collectively known as adephagans. The largest family is Carabidae which comprises most of the suborder with over 40,000 species. Adephaga also includes a variety of aquatic beetles, such as predaceous diving beetles and whirligig beetles.
Pest control is the regulation or management of a species defined as a pest; such as any animal, plant or fungus that impacts adversely on human activities or environment. The human response depends on the importance of the damage done and will range from tolerance, through deterrence and management, to attempts to completely eradicate the pest. Pest control measures may be performed as part of an integrated pest management strategy.
The devil's coach-horse beetle is a species of beetle belonging to the large family of the rove beetles (Staphylinidae). It was originally included in the genus Staphylinus in 1764, and some authors and biologists still use this classification.
The Florida woods cockroach is a large cockroach species which typically grows to a length of 30–40 mm (1.2–1.6 in). When alarmed, adults can eject an extremely foul-smelling directional spray up to 1 m, which inspired several of its other common names: Florida skunk roach, Florida stinkroach, skunk cockroach, skunk roach, stinking cockroach, and stinkroach. Two other naming variations include Florida cockroach and Florida woods roach.
Blister beetles are beetles of the family Meloidae, so called for their defensive secretion of a blistering agent, cantharidin. About 7,500 species are known worldwide. Many are conspicuous and some are aposematically colored, announcing their toxicity to would-be predators.
Cleridae are a family of beetles of the superfamily Cleroidea. They are commonly known as checkered beetles. The family Cleridae has a worldwide distribution, and a variety of habitats and feeding preferences.
Megacrania batesii, commonly known as the peppermint stick insect, is an unusual species of stick insect found in northeastern Australia, the Bismarck Archipelago, the Solomon Islands, New Guinea, and possibly as far north as the Philippines. It is notable for its aposematic coloration, as well as its robust chemical defense mechanism. Its common name refers to the irritating fluid — with an odor resembling peppermint — that it sprays as a defensive action from a pair of glands located at its prothorax when threatened, as well as the cylindrical, twig-like shape of its body. A member of the subfamily Megacraniinae, it was first described by English naturalist and explorer Henry Walter Bates in 1865.
Proceratophrys boiei, commonly known as Boie's frog, is a species of frog in the family Odontophrynidae. It is endemic to eastern and southeastern Brazil. This common frog is found in primary and secondary forest, on the forest edge, and in degraded areas near forest. This species is present in the illegal pet trade. Its habitat is subject to loss caused by agriculture, wood plantations, livestock grazing, clear-cutting, human settlement and tourism. The specific name boiei was given in honour of German zoologist Heinrich Boie or his brother Friedrich Boie.
Hyblaea puera, the teak defoliator, is a moth and cryptic species complex native to South Asia and South-east Asia. It was first described by Pieter Cramer in 1777. The species has also been recently reported to be present in Central America and Africa. The caterpillar feeds on teak and other trees. It is considered to be one of the major teak pests around the world.
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Phratora vitellinae, the brassy leaf beetle, formerly Phyllodecta vitellinae, is a beetle of the family Chrysomelidae found in Europe and Asia. It feeds on Populus and Salix species. The evolution of its host plant preferences and the mechanism by which it uses host plant chemicals to make a larval defensive secretion have been the subject of intense study by research groups in Europe and the Nordic countries.
Mucuna bracteata is a leguminous plant. It is a nitrogen-regulating plant that is used in agroecosystems operating around certain types of agricultural plant systems including: rubber trees, oil palm, citrus and coconut. M. bracteate is a cover crop which helps to cover and shield the soil from weeds or plants, as well as providing rapid growth for existing agricultural crops, preventing soil erosion, and providing nitrogen fixation. The Mucuna bracteata crop grows about 10–15 cm/day in conditions similar to those that rubber and palm oil plants thrive in.
Phratora laticollis is a species of leaf beetle found in Europe and Asia. This beetle is found on Populus species and the chemistry and production of its larval defensive secretions and host plant relationships have been studied extensively.
Galerita lecontei, the false bombardier beetle, is a species of ground beetle in the family Carabidae. It is found in the Caribbean Sea, Central America, North America, and the Caribbean. They are primarily characterized by their dark coloration, rapid movement, lifespan longevity, and nocturnal hunting behavior. Their elytra, which are the hardened forewings provide protection for their hind wings and exhibit a glossy texture. Many species within this family can secrete harmful chemicals as a defense mechanism against predators. Furthermore, this species has evolved various predator deterrents, often in the form of dischargeable glands near their abdominal area, a common feature across several beetle families, including Carabidae, Dytiscidae, and Gyrinidae.