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Portal:Insects - Wikipedia

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The Insects Portal

Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes, and a pair of antennae. Insects are the most diverse group of animals, with more than a million described species; they represent more than half of all animal species. (Full article...)

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Helicoverpa zea, commonly known as the corn earworm, is a species (formerly in the genus Heliothis) in the family Noctuidae. The larva of the moth Helicoverpa zea is a major agricultural pest. Since it is polyphagous (feeds on many different plants) during the larval stage, the species has been given many different common names, including the cotton bollworm and the tomato fruitworm. It also consumes a wide variety of other crops.

The species is widely distributed across the Americas with the exception of northern Canada and Alaska. It has become resistant to many pesticides, but can be controlled with integrated pest management techniques including deep ploughing, trap crops, chemical control using mineral oil, and biological controls. (Full article...)

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Ant Bee Earwig Aphid Cochineal Bees and toxic chemicals Chrysiridia rhipheus Lulworth skipper External morphology of Lepidoptera Lepidoptera Sphecius grandis Sirex woodwasp Insect flight Insect wing List of Odonata species of Great Britain List of Odonata species of Slovenia List of ant subfamilies Mantis Grasshopper Mayfly Nothomyrmecia Aleeta curvicosta Horse-fly Thopha saccata Banded sugar ant Henry Edwards (entomologist) Wasp Honey bee Bumblebee Beehive Termite Housefly Cockroach Fire ant Red imported fire ant Drosophila melanogaster Butterfly Dragonfly Moth Eldana Myrmecia (ant) Flea Cricket (insect) Snakefly Parasitoid Locust Cicada Beetle Tansy beetle Scale insect Tatuidris John S. Clark Black bean aphid Zigrasimecia Phengaris rebeli Polish cochineal Emerald ash borer Green-head ant Prionomyrmex Dryomyza anilis Avitomyrmex Archimyrmex Abantiades latipennis Timema Worker policing Colorado potato beetle Phasmatodea Colony collapse disorder Alice Gray Mecoptera Jack jumper ant Luna moth Meat ant Mole cricket Polistes exclamans Novomessor albisetosus Yantaromyrmex Ypresiomyrma Human interactions with insects Cochineal Mosquito Belgica antarctica Mosquito-borne disease Malaria West Nile fever Dengue virus Zika virus Bookworm (insect) Antlion Myrmecia inquilina Myrmecia nigriceps Macabeemyrma Damselfly Cimicidae Calliphora vomitoria Megachile campanulae Embioptera Louse Thrips Western honey bee Firefly Maize weevil Bee sting

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... that the seeds of the European sedge Carex pilulifera may be dispersed by the ant Myrmica ruginodis?
... that the oldest known member of the mayfly family Neoephemeridae is the Eocene species Neoephemera antiqua?
... that Sphecius grandis, the Western cicada killer wasp, paralyzes cicadas for its offspring to eat after hatching?
... that the extinct griffenfly genus Bohemiatupus inhabited peat-mires?
... that the extinct hangingfly genera Formosibittacus, Jurahylobittacus, and Mongolbittacus are only known from the Middle Jurassic of China?

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The following are images from various insect-related articles on Wikipedia.

Image 1Evolution has produced astonishing variety of appendages in insects, such as these antennae. (from Evolution of insects)
Image 2Mayfly nymph with paired abdominal gills (from Insect flight)
Image 3Larva of Syrphid fly, member of Cyclorrhapha, without epicranium, almost without sclerotisation apart from its jaws. (from Insect morphology)
Image 4Queen Alexandra's birdwing (Ornithoptera alexandrae) of Papua New Guinea (from Insect biodiversity)
Image 5A pie chart of described eukaryote species, showing just over half of these to be insects (from Insect biodiversity)
Image 6Head of Orthoptera, Acrididae. a:antenna; b:ocelli; c:vertex; d:compound eye; e:occiput; f:gena; g:pleurostoma; h:mandible; i:labial palp; j:maxillary palps; k:maxilla; l:labrum; m:clypeus; n:frons (from Insect morphology)
Image 7Male genitalia of Lepidoptera (from Insect reproductive system)
Image 8The female genitalia of Lepidoptera (from Insect reproductive system)
Image 9Cross-section of wing vein (from Insect morphology)
Image 10Reconstruction Strudiella devonica as a possible hexapod (from Evolution of insects)
Image 11Frenulo-retinacular wing coupling in male and female moths (from Insect flight)
Image 12Direct flight: muscles attached to wings. Large insects only (from Insect flight)
Image 13Mazothairos, a Carboniferous member of the now extinct order Palaeodictyoptera. (from Evolution of insects)
Image 14Hoverfly (Philhelius pedissequum) has indirect flight musculature. (from Insect flight)
Image 15Venation of insect wings, based on the Comstock-Needham system (from Insect morphology)
Image 16The Odonata (dragonflies and damselflies) have direct flight musculature, as do mayflies. (from Insect flight)
Image 17The abdominal terminus of male scorpionflies is enlarged into a "genital bulb", as seen in Panorpa communis (from Insect morphology)
Image 18Bumblebee defecating. Note the contraction of the anus, which provides internal pressure. (from Insect morphology)
Image 19A tau emerald (Hemicordulia tau) dragonfly has flight muscles attached directly to its wings. (from Insect flight)
Image 20Larva of beetle, family Cerambycidae, showing sclerotised epicranium; rest of body hardly sclerotised (from Insect morphology)
Image 21Scanning electron micrograph of a cricket spiracle valve (from Respiratory system of insects)
Image 22
Insect morphology
Legend of body parts
Tagmata: A – Head, B – Thorax, C – Abdomen.
1. antenna
2. ocelli (lower)
3. ocelli (upper)
4. compound eye
5. brain (cerebral ganglia)
6. prothorax
7. dorsal blood vessel
8. tracheal tubes (trunk with spiracle)
9. mesothorax
10. metathorax
11. forewing
12. hindwing
13. mid-gut (stomach)
14. dorsal tube (heart)
15. ovary
16. hind-gut (intestine, rectum & anus)
17. anus
18. oviduct
19. nerve cord (abdominal ganglia)
20. Malpighian tubes
21. tarsal pads
22. claws
23. tarsus
24. tibia
25. femur
26. trochanter
27. fore-gut (crop, gizzard)
28. thoracic ganglion
29. coxa
30. salivary gland
31. subesophageal ganglion
32. mouthparts
(from Insect morphology)
Image 23Stylized diagram of insect digestive tract showing malpighian tubule, from an insect of the order Orthoptera. (from Insect morphology)
Image 24Closeup of a fire ant, showing fine sensory hairs on antennae (from Insect morphology)
Image 25Mandibles of Rhyniognatha hirsti, it may be an oldest insect, but also possible to be a myriapod. (from Evolution of insects)
Image 26Variety of male structures in Phlebotominae (Diptera, Psychodidae) (from Insect reproductive system)
Image 27Fossil gnat in amber, a well-preserved insect fossil. (from Evolution of insects)
Image 28Diagram of a typical insect leg (from Insect morphology)
Image 29Indian moon moth (Actias selene) with some of the spiracles identified (from Respiratory system of insects)
Image 30Generalized arthropod biramous limb. Trueman proposed that an endite and an exite fused to form a wing. (from Insect flight)
Image 31The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the center (A), to the lapping type (B) of a bee, the siphoning type (C) of a butterfly and the sucking type (D) of a female mosquito.
Legend: a – antennae
c – compound eye
lb – labium
lr – labrum
md – mandibles
mx – maxillae (from Insect morphology)
Image 32Reconstruction of a Carboniferous insect, the palaeodictyopteran Mazothairos (from Insect flight)

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Credit: Luc Viatour

Panorpa communis, the common scorpionfly (Mecoptera: Panorpidae), is a species of scorpionfly native to Western Europe.

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Topics

Insect orders

Kingdom: Animalia
Phylum: Arthropoda
(unranked): Pancrustacea
Subphylum: Hexapoda

Extant

Monocondylia	Archaeognatha (jumping bristletails)

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Zygentoma (silverfish, firebrats)

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Palaeoptera

Ephemeropteroidea	Ephemeroptera (mayflies)
Odonatoptera	Odonata (dragonflies, damselflies)

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Polyneoptera

Plecoptera (stoneflies) Dermaptera (earwigs) Embioptera (webspinners) Phasmatodea (stick and leaf insects) Orthoptera (crickets, wetas, grasshoppers, locusts) Zoraptera (angel insects)
Notoptera (Xenonomia)	Grylloblattodea (ice-crawlers) Mantophasmatodea (gladiators)
Dictyoptera	Blattodea (cockroaches, termites) Mantodea (mantises)

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Paraneoptera *	Psocodea (barklice, lice) Thysanoptera (thrips) Hemiptera (cicadas, aphids, true bugs)

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Hymenoptera (sawflies, wasps, ants, bees)

Neuropteroidea

Coleopterida	Strepsiptera (twisted-winged parasites) Coleoptera (beetles)
Neuropterida	Raphidioptera (snakeflies) Megaloptera (alderflies, dobsonflies, fishflies) Neuroptera (net-winged insects: lacewings, mantidflies, antlions)

Panorpida
(Mecopterida)

Antliophora	Mecoptera (scorpionflies) + Siphonaptera (fleas) Diptera (gnats, mosquitoes, flies)
Amphiesmenoptera	Trichoptera (caddisflies) Lepidoptera (moths, butterflies)

Four most speciose orders are marked in bold
Italic are paraphyletic groups
Based on Sasaki et al. (2013)

Extinct

Insects portal
Wikispecies

Human interactions with insects

Aspects
of insects
in culture

In the arts	Insects in art Beetlewing Musca depicta Arthropods in film Insects in literature Insects in music List of insect-inspired songs Insects on stamps
In fishing	Fishing bait Fly fishing Artificial fly Fly tying
In medicine	Apitherapy Apitoxin Melittin Spanish fly Cantharidin
In mythology	Bees in mythology Cicadas in mythology Scarab (artifact)
Other aspects	Biomimicry Cockroach racing Cockroaches in popular culture Cricket fighting Entomological warfare Entomophagy Insect farming Flea circus Insects in ethics Insects in Japan Insects in religion Jingzhe
Economic entomology	Beneficial insect Biological pest control Beekeeping Bee pollen List of crop plants pollinated by bees Beeswax Honey Propolis Royal jelly Carmine/Cochineal Polish Chitin Kermes Sericulture Silk Shellac Model organism Drosophila melanogaster
Harmful insects	Insect bites and stings Insect sting allergy Bed bug Woodworm Home-stored product entomology Clothes moth

Pioneers

Concerns

Categories,
templates

Insects portal

Subcategories

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By classification

WikiProjects

Main WikiProject:

WikiProject Insects

Related projects:

Daughter projects:

WikiProject Lepidoptera

Tasks

Here are some tasks awaiting attention:

Article requests : There are thousands of family-level through species-level articles that have yet to be started.
Categorization : Figure out what categories to add to each article so that others can find them more easily. Also use the {{WikiProject Insects}} template to classify the status of any articles related to insect taxa.
Infobox : Add or update a {{Taxobox}}: Add more information like species authors or create a completely new taxobox for an entomology article that needs one.
Photo : Many entomology–related articles would be substantially better with the addition of one or more photographs. Feel free to take your own and upload them, or find ones with the appropriate licenses and upload them here.