The sounds of crickets courting and flies flying familiar to many of us, but have you heard a rice weevil larva eating inside a wheat kernel, a termite cutting a piece of wood, or a grub chewing on a root? Modern insect detection and control technology makes use of these subtle signals, sampled below. |
Most of the sound files on this page were selected from noise-free sections of recorded signal, but you can hear some typical background noises mixed with insect sounds at I below. The insect sounds have higher frequencies and shorter durations that make them relatively easy to separate from background. |
Note:
This page contains links to about 70 sound ( ![]() ![]() |
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Below: Cornelius Dunmore and Katrina Hutchinson performing digital signal analysis of stored product insect pest sounds. ![]() Subject Index:
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A.
Stored Product Insect movement and feeding sounds recorded for insect
detection
and monitoring studies:
(the
sound quality differences that you hear are caused by differences in
the
spectral ranges of the sensors).
A.1.B. Movement and feeding sounds of soil invertebrates:Plodia interpunctella larvae in dry dog food [1147 kb, 30 s] recorded with Bruel and Kjaer accelerometer.
A.2.Individual Plodia interpunctella larva in dry dog food [489 kb, 10 s] recorded with piezoelectric disk sensor.
A.3.Sitophilus oryzae larvae (17-18 d old) in wheat kernels [489 kb, 10 s] recorded with PVDF film sensor.
A.4.Sitophilus oryzae larvae (16-17 d old) in wheat kernels [489 kb, 10 s] recorded with Bruel and Kjaer accelerometer.
A.5.Sitophilus oryzae larvae (16-17 d old) in wheat kernels [489 kb, 10 s] recorded with 40 kHz ultrasonic sensor.
A.6.Sitophilus oryzae larvae (17-18 d old) in wheat kernels [977 kb, 10 s] recorded with 30 kHz ultrasonic sensor.
A.7.Sitophilus oryzae larvae (16-17 d old) in wheat kernels [977 kb, 10 s] recorded with piezoelectric disk sensor.
Mankin, R. W.,
S. L. Lapointe,
and R. L. Franqui. 2001. Acoustic surveying of
subterranean
insect populations in citrus groves. J. Econ. Entomol: 94:
94:853-859.
[2209 kB]
Mankin, R. W.,
Crocker,
R. L., Flanders, K. L., and Shapiro, J. P. 1998.
Acoustic
detection and identification of insects in soil. In: P. K.
Kuhl and L. A. Crum, [eds.], Proceedings of the 16th International
Congress
of Acoustics and the 135th Annual Meeting of the Acoustical Society of
America, pp. 685-686. 1998.
[192 kB]
For #'s B.1-3 see also: Web
Page by Phil Stansly, Biology
of Diaprepes abbreviatus
B.1. Diaprepes
abbreviatus larvae feeding on citrus stock in a 1-gallon pot
[1,465 kB, 30 s]
B.2. Diaprepes
abbreviatus larvae feeding on orange tree roots in a grove
[641
kB, 12.8 s]
B.3. Recording
under different orange tree in same grove [489 kB,
9.8
s]
B.4.c.and
B.4.d.
Two simultaneous recordings by Minling Zhang of a series
of (6) sound pulses recorded from microphones inserted into soil near a
white grub
(Phyllophaga). The series begins at ca. 8.8 s after
the beginning of each recording
and lasts for 1.5 s. Other sounds also are present in the
recordings. [769 kB, 16 s].
Additional information
in Zhang et al. (2003)
B.5. Euzophera
magnolialis Capps recorded in soil under magnolia tree.
Note: For information about dung beetles, see: Vulinec, K. 2000. Dung beetles (Coleoptera: Scarabaeidae), monkeys, and conservation in amazonia. Fla. Entomol. 83:229-241.
D.1. Reticulitermes
virginicus (300 workers feeding on 2" x 4" x 8' plank,
recorded
by Donovan Filkins) [489 kB, 9.8 sec].
D.2. Reticulitermes
flavipes (Eastern subterranean termite)
F.1a.Aedes taeniorynchus (salt marsh mosquito) male mosquito swarm at Rookery Bay, FL[489 kb, 9.8 sec]
[Note: There is a female mosquito buzzing in the foreground, and the higher-pitched sound of the male swarm is in the background.]
Information about Aedes taeniorynchus swarms is given in: Mankin (1994)[1,609 kB]
G.1a.General movement and stridulation sounds [977 kB, 10 s]
recorded by James Anderson with Bruel and Kjaer microphone in a small colony of Solenopsis invicta. (Fire ants courtesy of Lloyd Davis).
G.1b.H. Crickets, katydids, and cicadas:General movement and stridulation sounds recorded with accelerometer from fire ants under citrus trees in Ft. Pierce citrus grove [549 kB, 11 s]. see
Mankin and Lapointe (2003)
G.2.Flight sounds of Pseudacteon tricuspis hovering over fire ants [977 kB, 10 s].
(See F.1 and http://cmave.usda.ufl.edu/~ifahi/sdporter.html). (Phorid flies courtesy of Sanford Porter and Lloyd Davis).G.3.Pseudacteon tricuspis Phorid flies hovering over stridulating fire ants. (See F.1) [977 kB, 10 s].
H.1. Tom Walker's "Singing Insects" Web SiteI. Examples to distinguish insect sounds from background noise:
H.2. Kazuyuki Hashimoto's "Insect Sound World" Web Site
H.3. Magicicada Web Site
I.1.Insect sounds mixed with plane noise, recorded from underground microphone in a field at Auburn, AL. [1.4kB, 30 s]
This lively site contained 6 tenebrionids, 2 millipedes, 2 earthworms, 1 wireworm, 1 armyworm, a mature cydnid, and an immature cydnid. (Recorded by Jamie Brandhorst-Hubbard with a soil microphone). For reference, seeI.2.[172 kB].
Insect sounds mixed with plane noise, shorter segment of I.1. [733 kB ,15 s]
I.3.Plane noise recorded with accelerometer on nail inside a pot at the Monrovia nursery, Dayton, OR. [733 kB, 15 s]
I.4.(For reference see black vine weevil sounds).Plane and truck noise at commercial nursery. (See I.3). [733 kB, 15 s]
I.5.Truck noise recorded in a pot containing black vine weevil larvae. (See I.3). [733 kB, 15 s]
I.6.Wind noise and background
recorded from an accelerometer on a nail inserted into a field at Oregon State University. (see I.3). [733 kB, 15 s]I.7.Wind noise and background
recorded from an accelerometer on nail inside a pot containing black vine weevil larvae. (see I.3). [733 kB, 15 s]
soundlibrary.html
10/24/05 Richard Mankin