Preferences of matedHeliothis virescens andH. subflexa females for host and nonhost volatiles in a flight tunnel

1990 ◽  
Vol 16 (10) ◽  
pp. 2889-2898 ◽  
Author(s):  
F. C. Tingle ◽  
E. R. Mitchell ◽  
R. R. Heath
Keyword(s):  
Flight Tunnel ◽  
Nonhost Volatiles

Disruption of Pheromone Communication in Tecia solanivora (Lepidoptera: Gelechiidae): Flight Tunnel and Field Studies

2006 ◽  
Vol 99 (4) ◽  
pp. 1245-1250 ◽  
Author(s):  
C. F. Bosa ◽  
A. M. Cotes ◽  
P. Osorio ◽  
T. Fukumoto ◽  
M. Bengtsson ◽  
...  
Keyword(s):  
Field Studies ◽  
Flight Tunnel ◽  
Pheromone Communication ◽  
Tecia Solanivora

scholarly journals Design and Validation of Computerized Flight-Testing Systems with Controlled Atmosphere for Studying Flight Behavior of Red Palm Weevil, Rhynchophorus ferrugineus (Olivier)

Sensors ◽  
2021 ◽  
Vol 21 (6) ◽  
pp. 2112
Author(s):  
Maged Mohammed ◽  
Hamadttu El-Shafie ◽  
Nashi Alqahtani
Keyword(s):  
Flight Tunnel ◽  
Flight Behavior ◽  
Processing Unit ◽  
Controlled Atmosphere ◽  
Rhynchophorus Ferrugineus ◽  
Data Logging ◽  
Red Palm Weevil ◽  
Flight Testing ◽  
Flight Mill ◽  
The Mean

Understanding the flight characteristics of insect pests is essential for designing effective strategies and programs for their management. In this study, we designed, constructed, and validated the performance of modern flight-testing systems (flight mill and flight tunnel) for studying the flight behavior of red palm weevil (RPW) Rhynchophorus ferrugineus (Olivier) under a controlled atmosphere. The flight-testing mill consisted of a flight mill, a testing chamber with an automatically controlled microclimate, and a data logging and processing unit. The data logging and processing unit consisted of a USB digital oscilloscope connected with a laptop. We used MATLAB 2020A to implement a graphical user interface (GUI) for real-time sampling and data processing. The flight-testing tunnel was fitted with a horizontal video camera to photograph the insects during flight. The program of Image-Pro plus V 10.0.8 was used for image processing and numerical data analysis to determine weevil tracking. The mean flight speed of RPW was 82.12 ± 8.5 m/min, and the RPW stopped flying at the temperature of 20 °C. The RPW flight speed in the flight tunnel was slightly higher than that on the flight mill. The angular deceleration was 0.797 rad/s2, and the centripetal force was 0.0203 N when a RPW tethered to the end of the rotating arm. The calculated moment of inertia of the RPW mass and the flight mill's rotating components was 9.521 × 10−3 N m2. The minimum thrust force needed to rotate the flight mill was 1.98 × 10−3 N. Therefore, the minimum power required to rotate the flight mill with the mean revolution per min of 58.02 rpm was approximately 2.589 × 10−3 W. The designed flight-testing systems and their applied software proved productive and useful tools in unveiling essential flight characteristics of test insects in the laboratory.

Investigating the effects of symbiotic fungi on the flight behaviour ofSirex noctilio(Hymenoptera: Siricidae)

2016 ◽  
Vol 148 (5) ◽  
pp. 543-551 ◽  
Author(s):  
Mark A. Sarvary ◽  
Ann E. Hajek ◽  
Katalin Böröczky ◽  
Robert A. Raguso ◽  
Miriam F. Cooperband
Keyword(s):  
Fungal Species ◽  
Flight Tunnel ◽  
White Rot ◽  
White Rot Fungus ◽  
Sirex Noctilio ◽  
Flight Behaviour ◽  
Native North American ◽  
Complete Chemical Analysis ◽  
Volatile Profiles ◽  
Symbiotic Fungi

AbstractThe invasive woodwaspSirex noctilioFabricius (Hymenoptera: Siricidae) is obligately associated with the symbiotic white rot fungusAmylostereum areolatum(Chaillet ex Fries) Boidin (Basidiomycota: Amylosteraceae), and shows positive chemotaxis to volatiles emitted by this symbiont. After introduction to North America,S. noctiliowas collected carrying another fungus speciesAmylostereum chailletii(Persoon) Boidin, used symbiotically by native North AmericanSirexLinnaeus. We conducted flight behaviour studies in a walk-in flight tunnel to evaluate specificity of the attraction of mated and unmatedS. noctilioto its primary symbiont,A. areolatum, versus the alternative symbiont,A. chailletii. Fewer unmated than matedS. noctiliofemales responded to either of the fungi. Unmated females showed no landing preference but matedS. noctiliofemales were attracted toA. areolatumalthough avoidance ofA. chailletiiwas not complete. Chemical analysis demonstrated major differences in the volatile profiles of the two fungal species. Sesquiterpenes dominated theA. areolatumsamples, whereas only two aromatic volatiles were consistently present in the nativeA. chailletii.

Modification of the sex-pheromone communication system associated with organophosphorus-insecticide resistance in the obliquebanded leafroller (Lepidoptera: Tortricidae)

2001 ◽  
Vol 133 (6) ◽  
pp. 867-881 ◽  
Author(s):  
Ashraf M. El-Sayed ◽  
H.M. Fraser ◽  
R.M. Trimble
Keyword(s):  
Insecticide Resistance ◽  
Communication Systems ◽  
Apple Orchard ◽  
Flight Tunnel ◽  
Similar Amount ◽  
Choristoneura Rosaceana ◽  
Pheromone Communication ◽  
Baited Traps ◽  
Tetradecenyl Acetate ◽  
Pheromone Communication System

AbstractThe pheromone communication systems of azinphosmethyl-susceptible (susceptible) and azinphosmethyl-resistant (resistant) obliquebanded leafrollers, Choristoneura rosaceana (Harris), from the Niagara Peninsula of Ontario, were compared in the laboratory and field. The pheromone glands of resistant females contained approximately one-half as much (Z)-11-tetradecenyl acetate (Z11-14:Ac), (Z)-11-tetradecenol (Z11-14:OH), and (Z)-11-tetradecenal (Z11-14:Al) as the glands of susceptible females. A similar amount of (E)-11-tetradecenyl acetate (E11-14:Ac) was found in the glands of the two types of females. The pheromone effluvium from resistant females contained approximately one-half as much Z11-14:Ac, E11-14:Ac, Z11-14:OH, and Z11-14:Al as the effluvium from susceptible females. The onset and duration of female calling and the effect of age on calling were similar in susceptible and resistant C. rosaceana. In an apple orchard, traps baited with resistant females captured approximately one-half as many marked and released susceptible and resistant males as traps baited with susceptible females. There was no difference in the response of antennae from susceptible and resistant males to synthetic Z11-14:Ac and E11-14:Ac. The antennae of resistant males were less sensitive to Z11-14:OH and Z11-14:Al than the antennae of susceptible males. In a flight tunnel, pheromone-gland extracts from susceptible and resistant females, and calling susceptible and resistant females, were equally attractive to both susceptible and resistant males. In an apple orchard, the rate of capture of marked and released susceptible males was greater than that of resistant males in traps baited with susceptible females, but not in traps baited with resistant females or in traps baited with synthetic pheromone. The reduced ability to locate virgin females suggests that the presence of resistant males in an apple orchard may result in a reduction in the capture of moths in pheromone-baited traps. The reduction in trap catch was likely not caused by resistant females because they were less attractive to males than susceptible females and would therefore, in theory, compete less with traps for males than susceptible females. The differences observed in the pheromone communication systems of susceptible and resistant C. rosaceana are likely pleotropic effects associated with the selection for insecticide resistance.

Female sex pheromone of the melonworm,Diaphania hyalinata (Lepidoptera: Pyralidae), and analysis of male responses to pheromone in a flight tunnel

1986 ◽  
Vol 12 (1) ◽  
pp. 229-237 ◽  
Author(s):  
A. K. Raina ◽  
J. A. Klun ◽  
M. Schwarz ◽  
A. Day ◽  
B. A. Leonhardt ◽  
...  
Keyword(s):  
Sex Pheromone ◽  
Flight Tunnel ◽  
Female Sex Pheromone ◽  
Female Sex ◽  
Lepidoptera Pyralidae

Radar-based detection of bats: Experiments in a laboratory flight tunnel

2016 ◽  
Author(s):  
Jochen Moll ◽  
Moritz Malzer ◽  
Nikolas Scholz ◽  
Viktor Krozer ◽  
Dimitry Pozdniakov ◽  
...  
Keyword(s):  
Flight Tunnel

Male white grub beetles prefer the pheromone composition of young females in the field

2016 ◽  
Vol 106 (5) ◽  
pp. 679-684 ◽  
Author(s):  
N. Fujiwara-Tsujii ◽  
H. Yasui ◽  
S. Wakamura ◽  
A. Nagayama ◽  
N. Arakaki
Keyword(s):  
Sex Pheromones ◽  
Flight Tunnel ◽  
White Grub ◽  
Young Males ◽  
Young Females ◽  
Dasylepida Ishigakiensis ◽  
Female Pheromone ◽  
Pheromone Composition ◽  
Older Males ◽  
Qualitative Changes

AbstractFemales of the white grub beetle, Dasylepida ishigakiensis, release both (R)- and (S)-2-butanol as sex pheromones, but the males are only attracted to (R)-2-butanol. In laboratory-reared females, the proportion of the (R)-isomer decreased significantly as their calling opportunities increased and as they aged. We examined whether such qualitative changes also occur in field populations. We collected virgin females from the field and then trapped and analysed the volatiles emitted during their first and second callings. The ratio of (R)- to (S)-2-butanol (R/S) was 78:22 at the first calling, but shifted to 39:61 at the second calling. While investigating the composition of the female pheromones, the question arose as to whether the male preferences change in response to the shift in female pheromone composition. To answer this question, we observed the behaviour of young and old males in response to various R/S ratios as lures in the laboratory and in the field. In the flight tunnel assay of laboratory-reared individuals, young males touched female models with a 9:1 R/S ratio lure less than those with pure (R)-2-butanol; however, older males touched the two groups with equivalent frequency. In the field trap test, older males were much more attracted to (R)-2-butanol-scented lures. When we tested using lures with the same amount of (R)-2-butanol but added different amounts of the (S)-isomer, we found that increased levels of (S)-2-butanol resulted in lower attractiveness to males. (S)-2-butanol was confirmed to have an inhibitive activity in the attractiveness of (R)-2-butanol.

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