Population monitoring of the pine processionary moth (Lepidoptera: Thaumetopoeidae) with pheromone-baited traps

Jactel, Hervé; Menassieu, Pierre; Vétillard, Fabrice; Barthélémy, B.; Piou, Dominique; Frérot, Brigitte; Rousselet, Jérôme; Goussard, Francis; Branco, Manuela; Battisti, Andrea

doi:10.1016/j.foreco.2006.08.002

Cited by 48 publications

(53 citation statements)

References 53 publications

(86 reference statements)

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“…In a rapidly expanding species such as the PPM [4,8,34], aggravated by extreme climatic events such as the summer of 2003 [9,[35][36][37][38], there is an urgent need for effective monitoring techniques. Researchers and forest managers interested in pest dynamics have traditionally used visually derived infestation indices to assess PPM damage in pine stands [3,7].…”

Section: Discussionmentioning

confidence: 99%

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Assessing Pine Processionary Moth Defoliation Using Unmanned Aerial Systems

Cardíl

Vepakomma

Brotons

2017

Forests

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Pine processionary moth (PPM) is one of the most destructive insect defoliators in the Mediterranean for many conifers, causing losses of growth, vitality and eventually the death of trees during outbreaks. There is a growing need for cost-effective monitoring of the temporal and spatial impacts of PPM in forest ecology to better assess outbreak spread patterns and provide guidance on the development of measures targeting the negative impacts of the species on forests, industry and human health. Remote sensing technology mounted on unmanned aerial systems (UASs) with high-resolution image processing has been proposed to assess insect outbreak impacts at local and forest stand levels. Here, we used UAS-acquired RGB imagery in two pine sites to quantify defoliation at the tree-level and to verify the accuracy of the estimates. Our results allowed the identification of healthy, infested and completely defoliated trees and suggested that pine defoliation estimates using UASs are robust and allow high-accuracy (79%) field-based infestation indexes to be derived that are comparable to those used by forest technicians. When compared to current field-based methods, our approach provides PPM impact assessments with an efficient data acquisition method in terms of time and staff, allowing the quantitative estimation of defoliation at tree-level scale. Furthermore, our method could be expanded to a number of situations and scaled up in combination with satellite remote sensing imagery or citizen science approaches.

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Section: Discussionmentioning

confidence: 99%

“…The life cycle is characterized by a short-lived moth which typically lives one night and emerges in summer (June-August), larval feeding during fall and winter, and pupation in the soil followed by a short or prolonged (up to 7 years) diapauses [1,9,30]. The female moth produces pheromones in the summer to attract the male moth.…”

Section: Ppm Life Cyclementioning

confidence: 99%

Assessing Pine Processionary Moth Defoliation Using Unmanned Aerial Systems

Cardíl

Vepakomma

Brotons

2017

Forests

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“…To monitor the effect of cut branches of non-host trees on PPM mating success, we placed a pheromone-baited trap on each sampled tree. Traps were of the plate-trap type, made of a piece of 30 9 30-cm white polypropylene cardboard fastened vertically to the tree trunk with one external sticky side (Jactel et al 2006). The traps were baited with rubber septa impregnated with 0.5 mg of the commercial sex pheromone of T. pityocampa provided by SEDQ (Barcelona, Spain), a mixture of (Z)-13-hexadecen-11-yn-1-ol and (E)-13-hexadecen-11-yn-1-ol in a 98:2 ratio.…”

Section: Manipulation Tests In the Fieldmentioning

confidence: 99%

“…To check the effect of non-host cut branches on PPM host tree colonization, we recorded the number of larval nests in the canopy of pine trees during the following winter, in March 2005. The number of larval nests per tree is highly correlated to the percentage of defoliation, but it provides a more accurate estimate of PPM infestation, particularly in the case of a low population level (Jactel et al 2006). We recorded each focal pine and its two neighbouring trees on both sides, approximately 4 m apart, i.e.…”

Section: Manipulation Tests In the Fieldmentioning

confidence: 99%

Non-host volatiles mediate associational resistance to the pine processionary moth

et al. 2011

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An increasing body of evidence indicates that the association between different plant species may lead to a reduction in insect herbivory, i.e. associational resistance. This might be due to a top-down regulation of herbivores by increased numbers of natural enemies or to a disruptive bottom-up influence of lower host plant accessibility. In particular, the richer plant communities release more diverse plant odours that may disturb olfactory-guided host choice and mating behaviour of insect herbivores, i.e. the "semiochemical diversity hypothesis". However, this hypothesis has been rarely tested experimentally in natural habitats, notably forest ecosystems. We tested the effects of non-host volatiles (NHV) on mate and host location by the pine processionary moth (PPM) at the scale of individual pine trees with branches of non-host tree (birch) at their base. Pheromone trap catches and the numbers of larval nests were both reduced by non-host presence under treated pine trees, confirming an associational resistance mediated by NHV. In both males and females, the antenna could detect several birch volatiles, including methyl salicylate (MeSa). MeSa inhibited the attraction of the PPM male to pheromone traps, as did bark and leaf chips from birch trees. Our test of three doses of MeSa at the habitat scale (50 m forest edges) showed that the reduction in the numbers of male PPM captured in traps and in larval nests was MeSa dose-dependent. These results show that odours released by deciduous non-host trees can reduce herbivory by a forest defoliator in conifers, providing support to the "semiochemical diversity hypothesis" as a mechanism of associational resistance.

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“…Para el trimedlure, no se observó un efecto de saturación con altas dosis, si no que a partir de una emisión de 2,4 mg día -1 , cantidades mayores de trimedlure no capturaban significativamente más moscas. Por lo tanto, en este caso se obtiene una respuesta de tipo asintótico, que también ha sido observada en algunas especies de lepidópteros (Evenden et al, 1995;Knutson et al, 1998;Rao y Subbaratnam, 1998;Jactel et al, 2006).…”

Section: Optimización De Emisores De Atracciónunclassified

Uso de semioquímicos en el control de plagas. Estudios básicos y de aplicación

González¹

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Population monitoring of the pine processionary moth (Lepidoptera: Thaumetopoeidae) with pheromone-baited traps

Cited by 48 publications

References 53 publications

Assessing Pine Processionary Moth Defoliation Using Unmanned Aerial Systems

Assessing Pine Processionary Moth Defoliation Using Unmanned Aerial Systems

Non-host volatiles mediate associational resistance to the pine processionary moth

Uso de semioquímicos en el control de plagas. Estudios básicos y de aplicación

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