Navigation Links
For crickets, parasitic flies can stop the music

Love hurts ?really bad, for some unlucky crickets, anyway.

Male crickets draw not only females with their songs but also parasitic flies. The uninvited guests then deposit larvae that burrow into their amorous hosts, grow for about a week and then tear their way out in "Alien" fashion, killing the cricket as they emerge.

Now, University of Florida zoologists have found that the danger posed by the flies has apparently affected when crickets sing. In experiments with Southeastern U.S. field crickets, known scientifically as Gryllus rubens, they discovered that considerably fewer male crickets sing in the autumn when the parasitic flies are abundant. They also found that female crickets are reluctant to approach singing males in the fall, perhaps unknowingly avoiding becoming the target of the flies themselves.

The findings, reported in a pair of recent papers in the journals Ethology and Animal Behavior, are of interest because they shed light on the interplay between the powerful evolutionary forces of sexual selection and natural selection, said UF zoology professor Jane Brockmann.

On the one hand, singing and finding mates increases a male’s reproductive success; on the other, it also carries high potential costs, Brockmann said. "The interesting question is how exactly do these conflicting pressures play out in evolution""

Scientists have known for some time that parasitic flies, known scientifically as Ormia ochracea, deposit larvae on, or near, singing crickets. The larvae burrow into the insects, then feed on nonessential organs within the cricket while they grow. After they emerge from the dying cricket, they pupate and metamorphose into mature flies.

Brockmann and co-author Manuel Vélez, a former UF student who earned his doctorate in 2004, hypothesized that the presence of flies would affect how male crickets sing and how females respond. Examining wild crickets native to North Florida, they devised
'"/>

Source:University of Florida


Page: 1 2 3

Related biology news :

1. Yale researchers identify molecule for detecting parasitic infection in humans
2. Worm hormone discovery may aid fight against parasitic disease
3. Researchers add crucial information on how the bodys T cells react to parasitic diseases
4. Common parasitic infection leads to increased risk for HIV infection
5. Master gene controls healing of skin in fruit flies and mammals
6. Remote control flies? Fly behavior controlled by laser light
7. UI researcher studies deafness in fruit flies, humans
8. How monarch butterflies are wired for navigation
9. Gap-climbing fruit flies reveal components of goal-driven behaviors
10. Expanding forests darken the outlook for butterflies, study shows
11. Hormones and growth: The control of body size and developmental growth rate in fruit flies
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: For crickets parasitic flies can stop the music

(Date:8/29/2014)... stretch them, twist them, fold them: modern materials that ... potential, whether as artificial skin or electronic paper. , ... a challenge but a new way of working with ... a game-changer. , Previous success in the field ... use of precious gold and silver nanowires. , ...
(Date:8/28/2014)... of marine protected areas is needed to protect fish ... investigators from the Wildlife Conservation Society and other organizations, ... the largest numbers of species, often at the expense ... functions. , Many vital ecological functions of ... are food for millions of people. This study ...
(Date:8/28/2014)... Researchers at the University of Minnesota have developed ... to be used for muscle regeneration research as well ... FSHD. , The research is published in the current ... There is no treatment for FSHD, which is thought ... muscular dystrophy. FSHD is an unusual genetic disorder because, ...
Breaking Biology News(10 mins):Copper shines as flexible conductor 2Study finds marine protected areas inadequate for protecting fish and ocean ecology 2UMN researchers find animal model for understudied type of muscular dystrophy 2
... BLOOMINGTON, Ind. -- Two recently diverged populations of a ... contribute to the reproductive isolation that accompanies the origin ... of organic compounds present in the preen oils of ... Ecology . "There,s so much we don,t know ...
... Age and gender play a major role in how ... 20-to-64-year-olds. Published in the journal Psychophysiology , the investigation ... the Montreal Heart Institute in collaboration with colleagues from the ... findings suggest that women who are more defensive are at ...
... University of Western Ontario finds the sauces you use when ... benefits. The research, led by Western biology and psychology ... than just tasty sauces they can also provide a ... Mark Bernards and Christopher Guglielmo in Western,s department of biology. ...
Cached Biology News:Could smell play a role in the origin of new bird species? 2Could smell play a role in the origin of new bird species? 3Men and women respond differently to stress 2Spice up your health this barbecue season 2
(Date:8/28/2014)... A new research platform uses a laser ... structures undergoing stress and heating, an approach ... for microelectronics and batteries., This new technique, ... how heating and the surface stress of ... have discussed the merits of surface-stress influence ...
(Date:8/28/2014)... --  SunTrust Robinson Humphrey (STRH) today announced ... equity research team in biotechnology and oilfield services.  ... research demonstrates our commitment to providing our valued ... investment decision making," said Biff Woodruff , ... make significant investments in differentiated content at a ...
(Date:8/28/2014)... Woodstock, Vt. (PRWEB) August 28, 2014 ... microbiology testing around the world is available from ... industrial diagnostics companies. “ Industrial Microbiology Market Review, ... the Industrial Market ” (IMMR—4) tracks and compares ... in in North America, Europe and Asia, and ...
(Date:8/27/2014)... Lake City, Utah (PRWEB) August 27, 2014 ... construction that will expand its current Salt Lake City ... currently underway outside of Utah to ultimately create 1,000 ... next 20 years. , “Utah is home to ... of whom can be credited with Varian’s success in ...
Breaking Biology Technology:New analytical technology reveals 'nanomechanical' surface traits 2New analytical technology reveals 'nanomechanical' surface traits 3SunTrust Robinson Humphrey Expands Equity Research in Healthcare and Energy 2SunTrust Robinson Humphrey Expands Equity Research in Healthcare and Energy 32 Billion Industrial Microbiology Tests Conducted for Product Quality and Safety Worldwide 22 Billion Industrial Microbiology Tests Conducted for Product Quality and Safety Worldwide 3Varian Medical Systems Groundbreaking on Facility Expansion Triggers Influx of New Jobs to Salt Lake 2Varian Medical Systems Groundbreaking on Facility Expansion Triggers Influx of New Jobs to Salt Lake 3
... LPBP Inc. (LPBP) - At the request of,the ... of,the President and Chief Executive Officer and of ... of its interim filings for the quarters,ended January ... were,previously filed. The re-filing of these Certificates is ...
... Profitability, HARBIN, China, Aug. 15 /Xinhua-PRNewswire-FirstCall/ -- ... Board: CKGT), a,vertically integrated grower, developer, manufacturer and ... China, announced today record,second quarter results for the ... of $5.0 million, a 34.9% increase compared to ...
... 15 Catalyst,Pharmaceutical Partners, Inc. (Nasdaq: CPRX ... and six months ended June 30, 2008., ... program for,CPP-109," stated Patrick J. McEnany, Catalyst,s Chief ... dosing subjects in our U.S.,Phase II clinical trials ...
Cached Biology Technology:China Kangtai Cactus Biotech Announces Record Second Quarter Results 2China Kangtai Cactus Biotech Announces Record Second Quarter Results 3Catalyst Pharmaceutical Partners Reports Second Quarter 2008 Financial Results 2Catalyst Pharmaceutical Partners Reports Second Quarter 2008 Financial Results 3Catalyst Pharmaceutical Partners Reports Second Quarter 2008 Financial Results 4Catalyst Pharmaceutical Partners Reports Second Quarter 2008 Financial Results 5
... GenomePlex Single Cell Whole Genome Amplification ... on random fragmentation of genomic DNA ... fragments to PCR-amplifiable library molecules flanked ... achieved by PCR amplification of the ...
...
From formula-fed bovine calves Sterile, Cell culture tested...
Collected at a certified USDA establishment located within the United States. All final processing is done by Quad Five employees....
Biology Products: