News tagged with insects
Animals, insects, and plants use a variety of sensing mechanisms to detect invading pathogens such as viruses. One complex and effective antiviral defense system they share is based on recognition of double-stranded ...
Medical research May 14, 2013 | 4 / 5 (1) | 0
A large scale, five year study of mosquitoes from different ecological regions in Kenya, including savannah grassland, semi-arid Acacia thorn bushes, and mangrove swamps, found a reservoir of viruses carried by mosquitoes ...
Diseases, Conditions, Syndromes May 09, 2013 | 5 / 5 (1) | 0
Wageningen University in the Netherlands has developed a prototype vaccine against chikungunya in a joint effort with the Erasmus Medical Centre and TI Pharma. This prototype may hopefully lead to the first working vaccine ...
Diseases, Conditions, Syndromes Mar 21, 2013 | not rated yet | 0
New research from the University of Georgia has identified the neural pathways in an insect brain tied to eating for pleasure, a discovery that sheds light on mirror impulsive eating pathways in the human ...
Medical research Feb 28, 2013 | 5 / 5 (1) | 0 |
(HealthDay)—Death, taxes ... and bedbugs? Infestations of bedbugs are on the rise in the United States and elsewhere, and while people are "bedbug magnets," the tiny pests are hard to detect, an expert ...
Health Feb 09, 2013 | not rated yet | 1
Researchers see successful results against human leishmaniasis with a more efficient and economic vaccine
A research coordinated by the UAB has succeeded in testing a vaccine against leishmaniasis. The vaccine was tested with the best animal model existing, the golden hamster, and can be produced at low costs by using insect ...
Diseases, Conditions, Syndromes Dec 19, 2012 | not rated yet | 0
(HealthDay)—The West Nile virus outbreak has now reached 5,245 cases, including 236 deaths, U.S. health officials reported Wednesday.
Diseases, Conditions, Syndromes Nov 28, 2012 | not rated yet | 0
Health workers in Sudan's Darfur region have begun vaccinating more than two million people against a rare yellow fever outbreak suspected of killing 124 since late September, medics said on Thursday.
Diseases, Conditions, Syndromes Nov 22, 2012 | not rated yet | 0
More than two million people in Sudan's Darfur region will be vaccinated against a rare yellow fever outbreak suspected of killing 107 people since late September, health officials said on Tuesday.
Diseases, Conditions, Syndromes Nov 13, 2012 | not rated yet | 0
(AP)—Federal health inspectors have found more than a dozen sterility problems, including insects, at a drugmaking facility with the same founders as the specialty pharmacy linked to a deadly meningitis outbreak.
Diseases, Conditions, Syndromes Nov 12, 2012 | not rated yet | 0
The number of people believed to have died from mosquito-borne yellow fever in Sudan's conflict-plagued Darfur region has doubled to 67, health officials said on Tuesday.
Diseases, Conditions, Syndromes Nov 06, 2012 | not rated yet | 0
Mosquito-born yellow fever has killed 32 people in Sudan's conflict-plagued Darfur region this month, the health ministry said in a statement obtained by AFP on Wednesday.
Diseases, Conditions, Syndromes Nov 01, 2012 | 5 / 5 (1) | 0
(HealthDay)—The number of West Nile virus cases this year has surpassed 4,500, U.S. health officials reported Wednesday, and the number of deaths has reached 183, up from 168 last week.
Diseases, Conditions, Syndromes Oct 17, 2012 | not rated yet | 0
It's the time of year seasonal allergy sufferers anticipate relief with the first frost, ridding them of the ragweed currently plaguing their nostrils. Allergy season is almost over.
Immunology Oct 11, 2012 | not rated yet | 0
(AP)—As a Florida medical examiner tries to determine how 32-year-old Edward Archbold died after eating insects during a contest to win a snake, people around the country are asking: Why?
Other Oct 09, 2012 | 5 / 5 (2) | 6
Insects (Class Insecta) are arthropods, having a hard exoskeleton, a three-part body (head, thorax, and abdomen), three pairs of jointed legs, compound eyes, and two antennae. They are the most diverse group of animals on the planet and include approximately 30 gladiator and icebug, 35 Zoraptera, 150 snakefly, 200 silverfish, 300 alderfly, 300 webspinner, 350 jumping bristletail, 550 scorpionfly, 600 Strepsiptera, 1,200 caddisfly, 1,700 stonefly, 1,800 earwig, 2,000 flea, 2,200 mantis, 2,500 mayfly, 3,000 louse, 3,000 walking stick, 4,000 cockroach, 4,000 lacewing, 4,000 termite, 5,000 dragonfly, 5,000 thrips, 5,500 booklouse, 20,000 cricket, grasshopper, and locust, 82,000 true bug, 110,000 ant, bee, sawfly, and wasp, 120,000 true fly, 170,000 butterfly and moth, and 360,000 beetle species described to date. The number of extant species is estimated at between six and ten million, with over a million species already described. Insects represent more than half of all known living organisms and potentially represent over 90% of the differing life forms on Earth. Insects may be found in nearly all environments, although only a small number of species occur in the oceans, a habitat dominated by another arthropod group, the crustaceans.
Adult modern insects range in size from a 0.139 mm (0.00547 in) fairyfly (Dicopomorpha echmepterygis) to a 56.7-centimetre (22.3 in) long stick insect (Phobaeticus chani). The heaviest documented present-day insect was 70 g (2½ oz) Giant Weta, though the Goliath beetles Goliathus goliatus, Goliathus regius and Cerambycid beetles such as Titanus giganteus hold the title for some of the largest species in general.
The largest known extinct insect is a kind of dragonfly, Meganeura.
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