Navigation Links
Armed beetles find a mate, whatever their size

One species of armed beetle is proving that size doesnt necessarily matter when it comes to finding a mate. The creatures pulling techniques will be revealed in the April edition of the Royal Entomological Societys Ecological Entomology journal.

In the world of armed beetles, biggest is usually best, as males often fight for mating rights and those with the largest jaws beat off the competition. However, this is not always the case with one particular species.

Researchers at Okayama University in Japan have been monitoring the mating habits of large, medium and small Librodor japonicus males, and found that this particular species adopts a different tactic to finding a mate depending on the size of certain body parts.

The largest male beetles wait for females at the feeding areas and fight for the right to mate the males with the biggest jaws stand the best chance of winning. The medium sized beetles which are too small to beat the bigger males have developed relatively bigger wings than their larger counterparts, and they use these to search for the feeding sites which are unoccupied by large males.

The smallest male beetles have adopted a completely different tactic they stay at the feeding sites with the big males, and attempt sneaky matings with females behind the bigger males backs. Whats more, these males have relatively larger testes and produce sperm that is more competitive than the bigger males.

The L. japonicus beetles have ensured that, through their size-determined mating tactics, they all have a chance of finding a mate, and sometimes with no fighting involved.

Researcher Takahisa Miyatake said, "Although other studies of armed beetles have observed 2 different sizes of males, we have shown that males can adopt up to three different behavioural tactics to improve their mating success."


Contact: Liz Powell

Page: 1

Related biology news :

1. Ebola virus disarmed by excising a single gene
2. Dartmouth researchers alarmed by levels of mercury and arsenic in Chinese freshwater ecosystem
3. Easton, PA Police Officers Armed With BIO-key(R) Mobile Data Solution Access Information Anytime, Anywhere
4. Sex is thirst-quenching for female beetles
5. Workshop assesses interactions between climate, forests and land use in the Amazon Basin
6. Some cheaters can keep it in their genes
7. Wandering albatrosses follow their nose
8. A compound extracted from olives inhibits cancer cells growth and prevents their appearance
9. Hungry mothers risk addiction in their adult children
10. Family ties that bind: Maternal grandparents are more involved in the lives of their grandchildren
11. Men unaware of their cancer risk when female relatives test positive for BRCA mutation
Post Your Comments:
Related Image:
Armed beetles find a mate, whatever their size
(Date:11/26/2015)... 26, 2015 Research and Markets ( ... Fingerprint Sensors - Technology and Patent Infringement Risk Analysis" ... --> --> Fingerprint sensors using capacitive ... The fingerprint sensor vendor Idex forecasts an increase of ... mobile devices and of the fingerprint sensor market between ...
(Date:11/19/2015)... VIEW, Calif. , Nov. 19, 2015  Based ... market, Frost & Sullivan recognizes BIO-key with the 2015 ... Leadership. Each year, Frost & Sullivan presents this award ... product line catering to the needs of the market ... the product line meets and expands on customer base ...
(Date:11/18/2015)... new scientific discoveries deepen our understanding of how cancer ... challenges in better using that knowledge to guide treatment ... children continue to survive pediatric cancer, that counseling may ... John M. Maris, M.D ., a pediatric oncologist ... --> John M. Maris, M.D ., ...
Breaking Biology News(10 mins):
(Date:12/1/2015)... ... December 01, 2015 , ... Matthew “Tex” VerMilyea, PhD, ... VerMilyea will oversee all IVF lab procedures as well as continue his ... , “We traveled 7,305 miles to Auckland, New Zealand to bring home a High ...
(Date:11/30/2015)... ... ... announced the opening of a new core patient care hub with the opening of ... are part of GSCG’s expansion efforts in Latin America. , Both the Arica and ... from around the world. , The clinics will be headed by Victor Perez, M.D. and ...
(Date:11/30/2015)... , Nov. 30, 2015 Harvard Apparatus ... a biotechnology company developing bioengineered organ implants for ... notification from The NASDAQ Stock Market that it ... requirements. The letter noted that as a result ... stock having exceeded $1.00 per share for more ...
(Date:11/30/2015)... Human Longevity, Inc. (HLI), the genomics-based, technology-driven ... Genomics, Inc., a leading genome informatics company offering highly ... The San Diego -based company has ... and Co-founder, Ashley Van Zeeland , Ph.D., who is ... of the deal were not disclosed. ...
Breaking Biology Technology: