2018
DOI: 10.1111/afe.12291
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Prepupal diapause synchronizes adult emergence in the pine processionary moth Thaumetopoea pityocampa (Lepidoptera: Notodontidae)

Abstract: Insects with short‐lived adults must synchronize their emergence to maximize fitness. However, pre‐imaginal development time often varies among individuals as a result of exposure to varied abiotic and biotic factors; therefore, mechanisms adjusting pre‐imaginal development time are expected. Larvae of the pine processionary moth feed throughout the winter and conclude their development with characteristic processions in spring, leaving the trees to pupate in soil. The procession period can be as long as 2 mon… Show more

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Cited by 8 publications
(8 citation statements)
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“…After completing their development in silk tents, larvae leave the host tree in a typical head-to-tail procession in search of a suitable pupation site in the soil. Burying 5–20 cm into the soil, they spin a cocoon and enter a phase of prepupal diapause, spanning 20 to 50 days (Salman et al, 2018). Breaking their prepupal diapause, univoltine individuals turn into pupae and enter a pupal diapause ranging from 1 month at high elevations/latitudes to 5 months at low elevations or latitudes.…”
Section: Introductionmentioning
confidence: 99%
“…After completing their development in silk tents, larvae leave the host tree in a typical head-to-tail procession in search of a suitable pupation site in the soil. Burying 5–20 cm into the soil, they spin a cocoon and enter a phase of prepupal diapause, spanning 20 to 50 days (Salman et al, 2018). Breaking their prepupal diapause, univoltine individuals turn into pupae and enter a pupal diapause ranging from 1 month at high elevations/latitudes to 5 months at low elevations or latitudes.…”
Section: Introductionmentioning
confidence: 99%
“…The duration between hatching and procession fluctuates among years and locations (Abgrall, 2001;Bonsignore et al, 2019). After pupation, individuals enter into a mandatory diapause for several weeks until metamorphosis and emergence in the following summer, or prolonged from one year up to at least eight years (Salman et al, 2016) depending on a mix of genetic and environmental factors [such as winter temperature, population density, food availability (Salman et al, 2018)]. According to latitude and elevation, the duration of the mandatory diapause varies between one month (high latitude and elevation) and 5 months (low latitude and elevation) (Salman et al, 2019a).…”
Section: Study Species Life Cyclementioning
confidence: 99%
“…After completion of larval development in silk tents, larvae leave the host tree, usually during spring, in a typical head‐to‐tail procession in search of pupation sites, where they bury themselves to a depth of 5–20 cm in the soil within individual cocoons (Démolin, ). After a period of prepupal diapause (Salman et al ., ), they develop into pupae and enter pupal diapause. The length of the pupal diapause is short (e.g.…”
Section: Introductionmentioning
confidence: 99%