Role of Insect Sex Pheromone in Mating Behavior I. : Theoretical Consideration on Release and Diffusion of Sex Pheromone in the Air

A consistent pattern of relationships emerges from comparisons of insect electroantennograms, peripheral olfactory receptor neuron responses, and behavioral responses to quantified concentrations of odorants. One consistency is that all of the different response measurements can be described by stimulus-response curves of the same form. Another is that the responses have characteristic groupings when they are plotted against odorant concentration. The pattern of relationships is exemplified in the responses ofTrichoplusia ni (Hübner),Heliothis zea (Boddie), andPlodia interpunctella (Hübner) to several pheromone components and analogs. To quantify the relevant stimulus parameters for the response comparisons, the emission rates of the stimulus delivery system were calibrated for several 12 to 17-carbon pheromone components. The stimulus-response relationships determined forT. ni, H. zea, andP. interpunctella are combined with relationships reported for other insects in the literature, and applications are discussed for the interpretation of pheromone trapping and laboratory bioassays.

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“…The maximum physically possible release rate, ER, can be estimated from the equation (Hirooka and Suwanai, 1976):…”

Section: General Comparisons Of Pheromone Concentrations In Plumes Emmentioning

confidence: 99%

“…Values for C o can be estimated from the literature. Hirooka and Suwanai (1976) list saturated concentrations of 7.0 • 10 -5 /~mol/ cm 3 for 12Ac and 2.8 x 10 -5 #mol/cm 3 for 14Ac. Olsson et al (1983) found the saturated vapor pressure for Z-7 : 12Ac to be 0.562 Pa.…”

Section: General Comparisons Of Pheromone Concentrations In Plumes Emmentioning

confidence: 99%

Quantitative comparison of behavioral and neurophysiological responses of insects to odorants

1987

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“…In fact, this constant distribution of the puffs was supported by the observation where the ratio of Hyphantria eunea males passing straight through a pheromone plume was constant and independent of the distance from the source (Hirooka 1981). Hirooka & Suwanai (1976) described the mean concentration of sex pheromone at an X meters from the source, C(X), as c(x) = W/zrG2X2U…”

Section: Distribution Of the Sex Pheromone Puffsmentioning

confidence: 82%

“…Many other investigators estimated the "active space" of the pheromone, by substituting the value of the threshold of male response to pheromone and a release rate of pheromone into these equations (Wright 1958;Wilson 1970;Hartstack et al 1976;Hirooka & Suwanai 1976;Nakamura 1976a, b;Nakamura & Kawasaki 1977). The estimated space was described as an ellipsoidal tunnel with some kilometer-long axis downwind (Bossert & Wilson 1963) or some decade meterlong downwind (Nakamura & Kawasaki 1977).…”

mentioning

confidence: 99%

Role of insect sex pheromones in mating behavior. V. Profile of process on male flying approach toward sex pheromone source

Hirooka¹

1986

J. Ethol.

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-Application of the kinetic theory of gas molecules to male zigzagging orientation, which is assumed as repeated encounter between sex pheromone puff and a flying male moth, derived a linear relationship between the number of turnings and the distance from the source where male began repeated turnings.Similar results are also obtained by computer simulation. This relationship was already obtained in Hyphantria cunea males in the field within 2.0 meters downwind from the source.Theoretical simulation and observation results led us to conclude that male repeated turnings are restricted by the time during which males are able to take the approaching behavior to the source.

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“…Les communications a distance irnpliquent la diffusion des substances dans I'espace rnais peu de travaux ont ete publies sur ce sujet. Cependant, quelques etudes theoriques existent, notarnment sur les pheromones et les communications interindividuelles intraspecifiques (Bossert et Wilson 1963;Farkas et Shorey 1974;Hirooka et Suwanai 1976); dans bien des cas, elles doivent pouvoir s'appliquer egalernent aux relations entre niveaux trophiques. Bien que ces travaux fassent intervenir pres d'une vingtaine de variables, aucun ne tient cornpte d'un facteur supplernentaire: la degradation temporelle de la substance inforrnationelle, phenomene qui peut avoir un r6le primordial dans les cas d'ernissions sequentielles.…”

Section: Introductionunclassified

Action des substances soufrées volatiles du poireau (Allium porrum) sur la ponte d'Acrolepiopsis assectella (Lepidoptera: Hyponomeutoïdea): prépondérance des thiosulfinates

Auger¹,

Thibout²

1979

Can. J. Zool.

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R e~u le 3 avril 1979 AUGER, J., et E. THIBOUT. 1979. Action des substances soufrees volatiles du poireau (Allium powurn) sur la ponte d'Acrolepiopsis ossec~tella (Lepidoptera: Hyponomeutoi'dea): preponderance des thiosulfinates. Can. J. Zool. 57: 2223-2229. Chez les Allium, il est admis que lors de la brisure des feuilles, il y a emission de disulfures d'alcoyles stables qui proviendrait de la reduction dans la cellule des thiosulfinates instables. Comme on peut aussi passer des thiosulfinates aux disulfures par dismutation spontanee, les auteurs pensent que les thiosulfinates seraient emis hors de la cellule vegetale et se degraderaient ensuite en disulfures. Ceci est beaucoup plus compatible avec le r81e d'information spaciotemporel generalement accorde aux substances volatiles. Pour verifier cette hypothese, I'action des thiosulfinates de dimethyle ou de dipropyle est etudiee sur le comportement de ponte de la teigne du poireau. La ponte quotidienne, la ponte totale et le nombre de femelles pondeuses sont compares chez quatre lots de femelles fecondees: avec et sans odeur de poireau, avec disulfures et avec thiosulfinates. Dans tous les cas, les insectes sont plus sensibles aux thiosulfinates labiles qu'aux disulfures stables ou parfois mtme qu'i In'odeur" de poireau. Ceci renforce I'hypothese d'une emission possible de thiosulfinates dans I'atmosphere et precise I'importance que pourraient avoir les substances labiles dans les communications inter ou intraspecifiques, chez les insectes notamment.AUGER, J., and E. THIBOUT. 1979. Action des substances soufrees volatiles du poireau (Allium porrum) sur la ponte d'Acrolepiopsis crssectellu (Lepidoptera: Hyponomeutoi'dea): preponderance des thiosulfinates. Can. J . Zool. 57: 2223-2229. When the leaves of Allium species are broken, it is usually considered that diffusion of alkyl disulfides occurs. These stable compounds are supposedly formed by intracellular reduction of the unstable thiosulfinates. As thiosulfinates are also converted into disulfides by spontaneous disproportionation. the authors suppose that thiosulfinates would be emittedfrom the vegetal cell and next would be slowly disproportionated into disulfides. This hypothesis is much more consistent with the assumption that volatile substances yield spatial-temporal information and facilitate the location of the plant by the leek moth. Therefore, the effect of dimethyl or dipropyl thiosulfinates on oviposition behaviour of the leek moth is tested. Daily and total oviposition and number of laying females are compared in four groups of mated females: without volatile components of leek (Allium porrum), with disulfides, with thiosulfinates, and with leek volatile substances. In all cases, insects are more sensitive to the labile thiosulfinates than to the stable disulfides or even sometimes to leek volatile substances. These results strengthen our hypothesis that the thiosulfinates diffuse into the air and seem to indicate that labile chemical substances are significant in inter-or intra-specific communic...

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Role of Insect Sex Pheromone in Mating Behavior I. : Theoretical Consideration on Release and Diffusion of Sex Pheromone in the Air

Cited by 16 publications

References 4 publications

Quantitative comparison of behavioral and neurophysiological responses of insects to odorants

Quantitative comparison of behavioral and neurophysiological responses of insects to odorants

Role of insect sex pheromones in mating behavior. V. Profile of process on male flying approach toward sex pheromone source

Action des substances soufrées volatiles du poireau (Allium porrum) sur la ponte d'Acrolepiopsis assectella (Lepidoptera: Hyponomeutoïdea): prépondérance des thiosulfinates

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