13-09-12 Spider venoms are usually toxic when injected into prey, but a new protein discovered in the venom(毒液) of Australian tarantulas(狼蛛) can also kill prey insects that consume the venom orally. The protein is strongly insecticidal to the cotton...
13-07-05 Flapping insects build up an electrical charge that may make them more easily snared by spider webs, according to a new study by University of California, Berkeley, biologists. The positive charge on an insect such as a bee or fly attracts the web,...
13-05-24 Plants can't swat(重拍,猛击) a bug or run away from one, but that doesn't mean that plants can't fight back. Plants have evolved unique and sophisticated immune systems to defend themselves against insects and pathogens. Plant hormones called jas...
13-05-14 Eating more insects could help fight world hunger, according to a new UN report. 联合国一份新报告中指出,多吃昆虫可以帮助对抗世界饥荒。 Over 2 billion people worldwide already supplement their diet with insects The report by the UN Food and Agricult...
13-03-01 Researchers studying data from 600 fields in 20 countries have found that managed honey bees are not as successful at pollinating crops as wild insects, primarily wild bees, suggesting the continuing loss of wild insects in many agricultural landsca...
12-10-26 Assassin bug(猎蝽) , so named because these insects lie in ambush for prey that they attack with speed and precision, are found all over the world. Nearly 140 species of these bugs are blood-sucking; because they can bite humans around the mouth,...
12-08-29 An international team of scientists has discovered the oldest record of arthropods(节肢动物) -- invertebrate(无脊椎的) animals that include insects, arachnids, and crustaceans -- preserved in amber(琥珀) . The specimens, one fly and two mites...
12-08-27 Sunbathing may be healthy -- at least for one group of North American insects that apparently uses the activity to fight off germs, Simon Fraser University scientists have found. Western Boxelder bugs (WBB), found largely in B.C. interior regions, a...
12-06-18 During heavy rain, the lid of Nepenthes gracilis(股薄肌) pitchers acts like a springboard, catapulting insects that seek shelter on its underside directly into the fluid-filled pitcher, new research has found. The findings were published June 13,...
12-06-05 Giant insects ruled the prehistoric(史前的) skies during periods when Earth's atmosphere was rich in oxygen. Then came the birds. After the evolution of birds about 150 million years ago, insects got smaller despite rising oxygen levels, according...