News tagged with host insects
Special delivery: Nematode-infected insect cadavers
A custom-made machine for packaging mealworms infected with beneficial nematodes could improve the delivery, timing and use of the wormlike organisms as biological control agents.
Nov 22, 2011 |
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Butterfly legs 'taste' plants for egg laying: study
A species of butterfly uses its legs to taste plants to see which leaves offer its eggs the best chance of survival, Japanese scientists said Wednesday.
Nov 16, 2011 |
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Researchers identify insect host species of a famous Tibetan medicinal fungus
A team of researchers from the Institute of Microbiology, Chinese Academy of Sciences (Xiao-Liang Wang and Yi-Jian Yao), summarized all the available information on the insect species associated with the Tibetan ...
Sep 08, 2011 |
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Insect gut microbe with a molecular iron reservoir
Microbes are omnipresent on earth. They are found as free-living microorganisms as well as in communities with other higher organisms. Thanks to modern biological techniques we are now able to address the ...
Sep 01, 2011 |
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Instant evolution in whiteflies: Just add bacteria
In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develo ...
Apr 07, 2011 |
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Hosts may use two systems in fight against infection
(PhysOrg.com) -- Over the last decade, vertebrate immunologists have debated the validity of two distinct models of how immune systems work. Now, a Cornell entomologist argues in the April 1 issue of Science that clues from i ...
Apr 07, 2011 |
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Identity theft by aphids
Collaborative research at the University of Guam has people asking: "What IS a species" and entomologists wondering about the relationship between an insect species and the host plant or plants it feeds on.
Jan 19, 2011 |
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Walk in the park yields biological treasure
A newly identified relationship between a fly and a weedy mustard-type plant promises to answer many long-standing questions surrounding the evolutionary arms race between plant-eating insects and their host ...
Nov 19, 2010 |
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Six times more insects in tropical mountains
How many species of insects exist? Umea University researcher, Genoveva Rodriguez-Castaneda, found that in tropical mountains there are six times more insects than shown in global calculations. The insects ...
Sep 06, 2010 |
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World's oldest fig wasp fossil proves that if it works, don't change it
The world's oldest known example of a fig wasp has been found on the Isle of Wight. The fossil wasp is almost identical to the modern species, proving that this tiny but specialised insect has remained virtually ...
Jun 15, 2010 |
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Oviposition behaviour of pest insects keeps Bt-cotton durably resistant
The oviposition behaviour of insect pests results in an improved durability of insect resistance in so-called Bt-crops, while promoting the survival of pest insects elsewhere in nature. This is the result ...
Mar 03, 2010 |
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Roundworm Repository Contributes to Agricultural Wellbeing
(PhysOrg.com) -- Agricultural Research Service (ARS) scientists in Beltsville, Md., manage a most unusual sort of insurance: 43,000 slides and vials containing all manner of wormlike organisms called nematodes, ...
Jan 05, 2010 |
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Acacias use ants to guard flowers
(PhysOrg.com) -- Research by Dr Nigel Raine, Senior Lecturer in Animal Behaviour at Royal Holloway, University of London has revealed how a special plant-ant relationship thrives on give and take for mutual ...
Jan 04, 2010 |
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Mosquito parasite may help fight dengue fever
Dengue fever is a terrible viral disease blighting many of the world's tropical regions. Carried by mosquitoes, such as Aedes aegypti, 40% of the world's population is believed to be at risk from the infect ...
May 01, 2009 |
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Gene exchange common among sex-manipulating bacteria
Certain bacteria have learned to manipulate the proportion of females and males in insect populations. Now Uppsala University researchers have mapped the entire genome of a bacterium that infects a close relative of the fruit ...
Mar 25, 2009 |
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