Tag: "crickets" at biology news
Unpeaceful co-existence: How strengths and weaknesses maintain biodiversity in an ant community
...species are better at finding food resources (dead crickets
left by researchers) while others are better at de...mplicated by the size of the cricket because small crickets
can be collected so quickly that defense is unimportant. For both large and small crickets, two ant ...
For crickets, parasitic flies can stop the music
...lly bad, for some unlucky crickets, anyway. Male crickets
draw not only females with their songs but also pa...er posed by the flies has apparently affected when crickets
sing. In experiments with Southeastern U.S. field crickets, known scientifically as Gryllus rubens, ...
Crickets on Hawaiian Island develop silent wings in response to parasitic attack
..., found that greater than 90 percent of male field crickets
( Teleogryllus oceanicus ) on Kauai shifted in les...mal wings to mutated "flat wings" that inhibit the crickets
from calling. Like all mutations, the wing alteration arose spontaneously, but it likelyspread, the...
Study reveals mass migration of mormon crickets driven by hunger, fear
...ctors behind the seasonal mass migration of Mormon crickets
in western North America. The scientists report ...f cannibalism, drives the mass migration of Mormon crickets
in western North America. Throughout their seasonal migration, millions of Mormon crickets
Social learning in noncolonial insects?
... University of Tours, France, considered that wood crickets
might be just the candidate to test for this prediction. Indeed, wood crickets
typically hide under leaves when in the presence of spiders, and the high local densities at which t...
When cave crickets go out for dinner, they really go, researchers say
CHAMPAIGN, Ill. -- Cave crickets
travel farther from their homes to forage -- by ab...) from the entrances of central Texas caves. A few crickets
traveled up to 105 meters (344 feet) to feed. Previous research indicated that most crickets
Scientists create artificial cricket hairs
...elp scientists understand the complex physics that crickets
use to perceive their surroundings and could lead ...hairs are incredibly energy efficient sensors, and crickets
are thought to perceive flows with energies as small as or even below thermal noise levels (the back...
Researchers find three major beetle groups coming up one testis short
... loss of the functionally redundant testis. "Male crickets
will directly transfer fluid from their accessory glands to female crickets
to provide nutrition to their egg cases," said Liebherr. "It may be that the male beetles are simila...
Experiments provide proof of how traveling in groups protects insects
...s the African plains. Countless millions of Mormon crickets
and young locusts also sometimes unite with their ...ng less than half a gram -- to the backs of Mormon crickets
in northeastern Utah and northwestern Colorado, Drs. Gregory A. Sword, Patrick D. Lorch and Darryl T...
First love ruins him for all others
...versity psychologist Andrew Clark, who studied the crickets
in co-operation with researchers from Illinois State University, says, "The primary benefit to males appears to be that wing feeding keeps the female occupied during the time it takes the male to transfer the sperm."...
Cricket's finicky mating behavior boosts biodiversity
...ngs range from .5 to 4.2 pulses per second. Female crickets
can detect these differences, says Mendelson, and ...ly part of the speciation process, says Mendelson, crickets
of the two emerging lines interbreed. After a point, however, members of the two distinct species no...
Why attractive (but costly) males get the girls
...ng both the costs and benefits of mating to female crickets
and their offspring and provide new evidence that the costs that females pay for mating with attractive males are balanced by, and may even be outweighed by, the indirect benefits of spawning offspring with elevated fitness. The authors paired fema...
'Casanova' field crickets - live fast, die young
SYDNEY, AUSTRALIA: Fit, well-fed male field crickets
die young because they spend too much time courtin...t edition of Nature . The results reveal how male crickets
(Teleogryllus commodus) fed on a high protein diet engaged in more "sexual calling" and died sooner ...
Study in Royal Society journal on first evidence for magnetic field detection in sharks
...s a costly upregulation of adult immunity in field crickets
Gryllus campestris by Dr A Jacot, Mr H Scheuber, D...adult immunity. Following the bacterial infection, crickets
showed elevated levels of specific immune parameters as adults, at the cost of a reduced physiologic...
Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
...es. We investigated the preference of female field crickets
for carrier frequency and chirp rate, two components of the calling song that indicate male nutritional condition during juvenile development and at present, respectively. In a choice experiment, females preferred playbacks of lower carrier frequency...