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Encyclopedia > Mealworm
Mealworm beetle

Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Tenebrionidae
Genus: Tenebrio
Species: T. molitor
Binomial name
Tenebrio molitor
Linnaeus, 1758

Mealworms are the larval form of the mealworm beetle, Tenebrio molitor, a species of darkling beetle. Like all holometabolic insects, they go through four life-stages: egg, larva, pupa, and adult. Larvae typically measure about 2.5cm or more, whereas adults are generally between 1.25 and 1.8cm in length. Image File history File links Download high-resolution version (1447x1061, 109 KB) Tenebrio molitor Source : http://www. ... For other uses, see Scientific classification (disambiguation). ... For other uses, see Animal (disambiguation). ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - trilobites (extinct) Subphylum Chelicerata Arachnida - spiders,scorpions, etc. ... Orders Subclass Apterygota Archaeognatha (bristletails) Thysanura (silverfish) Subclass Pterygota Infraclass Paleoptera (Probably paraphyletic) Ephemeroptera (mayflies) Odonata (dragonflies and damselflies) Infraclass Neoptera Superorder Exopterygota Grylloblattodea (ice-crawlers) Mantophasmatodea (gladiators) Plecoptera (stoneflies) Embioptera (webspinners) Zoraptera (angel insects) Dermaptera (earwigs) Orthoptera (grasshoppers, etc) Phasmatodea (stick insects) Blattodea (cockroaches) Isoptera (termites) Mantodea (mantids) Psocoptera... For other uses, see Beetle (disambiguation). ... Genera Many The Darkling beetle is a family of beetles found worldwide. ... This article does not cite any references or sources. ... Carl Linnaeus, Latinized as Carolus Linnaeus, also known after his ennoblement as  , (May 13, 1707[1] – January 10, 1778), was a Swedish botanist, physician and zoologist[2] who laid the foundations for the modern scheme of nomenclature. ... A larval insect A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). ... Subfamilies Lagriinae Phrenapatinae Pimeliinae Diaperinae Hypophloeinae Opatrinae Tenebrioninae Alleculinae Coelometopinae Wikispecies has information related to: Darkling beetle Darkling beetles are a family of beetles found worldwide, estimated at more than 20,000 species. ... For other uses, see Beetle (disambiguation). ... Holometabolism, also called complete metamorphism, is a term applied to insect groups to describe the specific kind of insect development which includes four life stages - as an embryo, a larva, a pupa and an imago. ... Orders Subclass Apterygota Archaeognatha (bristletails) Thysanura (silverfish) Subclass Pterygota Infraclass Paleoptera (Probably paraphyletic) Ephemeroptera (mayflies) Odonata (dragonflies and damselflies) Infraclass Neoptera Superorder Exopterygota Grylloblattodea (ice-crawlers) Mantophasmatodea (gladiators) Plecoptera (stoneflies) Embioptera (webspinners) Zoraptera (angel insects) Dermaptera (earwigs) Orthoptera (grasshoppers, etc) Phasmatodea (stick insects) Blattodea (cockroaches) Isoptera (termites) Mantodea (mantids) Psocoptera... In most birds and reptiles, an egg (Latin ovum) is the zygote, resulting from fertilization of the ovum. ... A larval insect A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). ... Cockchafer (Melolontha melolontha) pupa Chrysalis redirects here: for other meanings see Chrysalis (disambiguation). ... The imago is the last stage of development of an insect, after the last ecdysis of an incomplete metamorphosis, or after emergence from pupation where the metamorphosis is complete. ...

Contents

Uses

Mealworms nestled in a bedding of bran within a plastic container.

Mealworms are typically used as a food source for reptile and avian pets. They are also provided to wild birds in bird feeders, particularly during the nesting season when birds are raising their young and appreciate a ready food supply. They are commonly used for fishing bait. Download high resolution version (914x986, 95 KB)Photo of mealworms in bran bedding just before they go into the bird feeder. ... Download high resolution version (914x986, 95 KB)Photo of mealworms in bran bedding just before they go into the bird feeder. ... Food is any substance, usually composed primarily of carbohydrates, fats, water and/or proteins, that can be eaten or drunk by an animal for nutrition and/or pleasure. ... Reptilia redirects here. ... For other uses, see Bird (disambiguation). ... It has been suggested that Residential pets be merged into this article or section. ... A hummingbird feeder - dye should not be used in the liquid provided Bushtits on a suet feeder An empty bird-seed dispenser A birdfeeder, bird feeder, or bird table is a device placed out-of-doors to supply bird food to birds. ...


They can be purchased at most pet stores and are also available via mail order and the internet. Mealworms are typically sold in a container with bran or oatmeal for bedding. // wheat bran Bran is the hard outer layer of and consists of combined aleurone and pericarp. ... In the United States and Canada, oatmeal means any crushed oats, rolled oats, or cut oats used in recipes such as oatmeal cookies. ...


When rearing mealworms, commercial growers incorporate a juvenile hormone into the feeding process to keep the mealworm in the larval stage and achieve an abnormal length of 2 cm or greater.[citation needed] In insects, juvenile hormone (also neotenin) refers to a group of hormones which ensure growth of the larva, while preventing metamorphosis. ...


Reproduction

Mealworm beetles (darkling beetles) are prolific breeders. It is harder to stop them breeding than it is to get them to breed. The mating process has three steps: 1) The male chases the female until she gives up. 2) The male then mounts her and curls his genitals (aedagus) underneath him and inserts it into her genital tract. 3) Once the male has inserted himself he injects her with a packet of semen. A matter of days after mating (dependent on incubation temperature) the female will burrow into soft ground and lay between 70 and 100 eggs.


Hatching

After 1 week the eggs hatch and larvae emerge.


Larval Stage

During the larval stage "mealworms" will undergo repeated molting between bouts of eat various vegetation or dead insects. This takes place 10-14 times (instars) as it gets too big for its exoskeleton. During its last molt, it loses its carapace before curling into its pupal form. An instar is a developmental stage of arthropods, such as insects, between each molt. ...


Pupal Stage

The mealworm remains in its pupal stage 6-30 days(dependent on incubation temperature). The pupa starts a creamy white and changes slowly to brown during its pupation stage. Cockchafer (Melolontha melolontha) pupa Chrysalis redirects here: for other meanings see Chrysalis (disambiguation). ...


Adulthood

The newly eclosed mealworm beetle will sit still as its wings unfold and dry. It will appear a creamy color and will slowly brown over a period of 2-7 days. Once the mealworm beetle has browned they will become sexually mature and begin to look for a mate. Cockchafer (Melolontha melolontha) pupa Chrysalis redirects here: for other meanings see Chrysalis (disambiguation). ...


Life cycle timing

  • Incubation: 10-11 days at 20°C; 4-6 days at 30°C
  • Larval period: 90-114 days (10-14 larval instars).
  • Pupal period: 30 days at 15°C; 9 days at 25°C; 6 days at 35°C.
  • Adult: 30-60 days

Human consumption

Mealworms have been incorporated into tequila flavored novelty candies. However, mealworms are not traditionally served in tequila or mezcal drinks, the latter sometimes containing a larval moth (Hypopta agavis). Various brands of tequila Tequila is a spirit made primarily in the area surrounding Tequila, a town in the western Mexican state of Jalisco, 65 km northwest of Guadalajara and in the highlands of Jalisco, 65 km east of Guadalajara. ... A cheap commercial bottle of Mexican Mezcal bought in Cancun. ... Super Families Butterflies Hesperioidea Papilionoidea Moths Micropterigoidea Heterobathmioidea Eriocranioidea Acanthopteroctetoidea Lophocoronoidea Neopseustoidea Mnesarchaeoidea Hepialoidea Nepticuloidea Incurvarioidea Palaephatoidea Tischeriodea Simaethistoidea Tineoidea Gracillarioidea Yponomeutoidea Gelechioidea Zygaenoidea Sesioidea Cossoidea Tortricoidea Choreutoida Urodoidea Galacticoidea Schreckensteinioidea Epermenioidea Pterophoroidea Aluctoidea Immoidea Axioidea Hyblaeoidea Thyridoidea Whalleyanoidea Pyraloidea Mimallonoidea Lasiocampoidea Geometroidea Drepanoidea Bombycoidea Calliduloidae Hedyloidea Noctuoidea Families About... Binomial name Hypopta agavis Hypopta agavis, known in Spanish as chilocuil, chinicuil, or tecol, is a moth native to North America. ...


Pest control

Usually a mealworm infestation within premises of any kind is generally attributed to poor housekeeping practices in regards to cleaning away scraps of food and ensuring stored food can’t easily be got at by pests.


If an outbreak has occurred then any tainted food should be disposed of in an outside bin with a tight fitting lid. If the contaminated food stuff is placed in an inside bin the infestation will continue.


In addition an effective insecticide spray can be used to eradicate the problem. This is generally applied to the area in and around the outbreak and will be administered for at least three weeks post-infestation, as the larvae have such a long life span. It has been suggested that ovicide be merged into this article or section. ... Larvae are the plural of larva, juvenile form of animals with indirect development. ...


External links

Wikispecies has information related to:
Mealworm beetle
Wikimedia Commons has media related to:
Mealworm beetle

  Results from FactBites:
 
Urban IPM: Insects: Mealworms (737 words)
Mealworms are scavengers, preferring decaying grain or milled cereals in damp conditions, though they will also eat dead insects, meat and feces.
Mealworms extract all the moisture they need from their food and therefore do not require a water source.
Mealworm adults are attracted to night-lights, therefore good night-light discipline is a simple way to reduce beetle attraction and indoor infestation.
  More results at FactBites »


 

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