News tagged with insects
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
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
(Medical Xpress)—Published online in the prestigious Proceedings of the National Academy of Sciences (PNAS), the team from CSIRO's Australian Animal Health Laboratory, in Geelong, have shown Vago, a prote ...
Diseases, Conditions, Syndromes Oct 03, 2012 | not rated yet | 0 |
A mosquito sample collected three decades ago in Israel's Negev Desert has yielded an unexpected discovery: a previously unknown virus that's closely related to some of the world's most dangerous mosquito-borne pathogens ...
Medical research Sep 21, 2012 | 4 / 5 (5) | 0 |
A key feature of human and animal brains is that they are adaptive; they are able to change their structure and function based on input from the environment and on the potential associations, or consequences, ...
Neuroscience Jan 26, 2012 | 4.3 / 5 (6) | 4 |
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 |
A Ben-Gurion University of the Negev research group led by Prof. Ohad Birk has identified a gene whose defect specifically causes myopia or nearsightedness.
Genetics Sep 01, 2011 | 5 / 5 (2) | 2 |
(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
Dr. Russell Russo, an Orthopedic Surgeon at LSU Health Sciences Center New Orleans, and other researchers stress that orthopedists should have a high index of suspicion for necrotizing fasciitis, or flesh-eating bacterial ...
Diseases, Conditions, Syndromes Sep 17, 2012 | not rated yet | 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
In the spring of 1835, Charles Darwin was bitten in Argentina by a "great wingless black bug," he wrote in his diary.
Diseases, Conditions, Syndromes Mar 15, 2012 | 3 / 5 (2) | 0 |
The H5N1 influenza has proven extraordinarily deadly. More than 50 percent of the 500 cases that have been documented since the virus first emerged in 1997 have been fatal. Thus, H5N1 is viewed as a serious threat to world ...
Medical research Mar 20, 2012 | not rated yet | 0
The US state of Texas is battling an outbreak of the West Nile virus, with 17 deaths being blamed on the mosquito-borne disease, authorities said Wednesday.
Diseases, Conditions, Syndromes Aug 15, 2012 | 5 / 5 (1) | 0
"Fight the bite!" was the advice Vice President for Administration Kevin Kirby gave to Rice students, faculty and staff in an email Wednesday about precautions against the West Nile virus.
Diseases, Conditions, Syndromes Aug 24, 2012 | 5 / 5 (1) | 1
Aircraft have begun spraying pesticide over parts of Dallas, Texas to combat an outbreak of mosquito-borne West Nile Virus blamed for 17 deaths this year, authorities said Friday.
Diseases, Conditions, Syndromes Aug 17, 2012 | not rated yet | 0
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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