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United States Department of Agriculture

Agricultural Research Service

Rhynchophorus larval sounds
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      Rhynchophorus Palm Weevil Sounds

Recordings of Rhynchophorus Larval Sounds

   
Richard MankinLogo and link: Center for Medical, Agriculture, and Veterinary Entomology, Agriculture Research Service, United States Department of Agriculture
       

Rhynchophorus ferrugineus is an important pest of palm trees in Southeast Asia, the Middle East, and Southern Europe, and has been found recently in the Southern Caribbean region. R. cruentatus is a pest of ornamental palms in Florida. The larvae of these pests feed undetected inside the tree trunk, but they can be detected using acoustic technology, which enables pest managers to identify and treat infested trees. For reference information see Mankin et al. (2008) Link to Mankin et al. (2008)  [231 kB], Mankin et al. 2011 link to Acoustic Detection: Perspective   [7144 kB]., and Roda et al. (2011)   link to red palm weevil invasive pest paper   [798  kB].

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1.  link to rferrugineus.wav Rhynchophorus ferrugineus larvae recorded in date palms at Palms de Eiche,
                     Spain  by S. Gomez and R. Hill  with AED-2000 
[2601 kB 15.3 s].

2.      Late-instar  R. ferrugineus larvae, recorded in palm in Curacao with accelerometer
                     
link to largeinfest.wav  [2530 kB 31 s] and with AED-2000 link to largeinfest-aed.wav

   

3.      link toindoor recording of early instar   3 early-instar larvae recorded in Aruba in a shielded room with AED-2000
                          by Nathan Herrick
[901 kB 10 s]. Note that many of the signals occurring
                          in the recordings of late-instar larvae above do not occur in this recording.

4.      link to outdoor recording of early instar  3 early-instar larvae recorded outdoors in Aruba with AED-2000
                           by Nathan Herrick [863 kB 10 s].

   

5.      link to indoor recording of late-instar larvae  2 late-instar larvae recorded in small palm tree in Alicante, Spain 
                            with AED-2010 by Johari Jalinas and Richard Mankin [888 kB 10 s].

 

6.      link to indoor recording of heavy infestation of late-instar larvae  Recording from heavily infested Phoenix canariensis Chabaud palm tree in Denia, Spain
                            with AED-2010 by Rafa Lopez and Richard Mankin [877 kB 10 s].

7.      link to outdoor recording of early-instar r. cruentatus larvae  3 early-instar Rhynchophorus cruentatus larvae in sabal palm frond recorded outdoors
                             in Tallahassee, FL  with AED-2000 by Omotola Dosunmu [912  kB 10 s].
                             Note the large amount of background noise not present in the next recording below.

 

8.      link to indoor recording of early instar r cruentatus  3 early-instar Rhynchophorus cruentatus larvae in sabal palm frond recorded indoors
                             in Tallahassee, FL  with AED-2000 by Omotola Dosunmu [947 kB 10 s].

 

   

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10/26/12 Richard Mankin


Last Modified: 10/26/2012
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