Research Institute of Climate Change and Agriculture, National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea.
Department of Entomology, National Chung Hsing University, Taichung, Taiwan (R.O.C).
PLoS One. 2020 Jul 15;15(7):e0235910. doi: 10.1371/journal.pone.0235910. eCollection 2020.
The oriental fruit fly, Bactrocera dorsalis, is a destructive polyphagous pest that causes damage to various fruit crops, and their distribution is currently expanding worldwide. Temperature is an important abiotic factor that influences insect population dynamics and distribution by affecting their survival, development, and reproduction. We examined the fecundity, pre-oviposition and oviposition periods, and longevity of adult B. dorsalis at various constant temperatures ranging from13°C to 35°C. The longevity of female B. dorsalis ranged from 116.8 days (18.8°C) to 22.4 days (34.9°C), and the maximum fecundity per female was 1,684 eggs at 28.1°C. Females were only able to lay eggs at 16.7°C to 34.9°C, and both the pre-oviposition and oviposition periods were different depending on the temperature. We modeled female reproduction in two oviposition models (OMs): 1) the current model developed by Kim and Lee, an OM composed of a fecundity model, age-specific survival model, and age-specific cumulative oviposition rate model, and 2) a two-phase OM modified the logic structure of the current model by separating pre-oviposition, so that oviposition was estimated with the female in oviposition phase who had complete pre-oviposition phase. The results of the two-phase OM provided more realistic outputs at lower and higher temperatures than those of the current model. We discussed the usefulness of the two-phase OM for the reproduction of insects with long pre-oviposition periods.
东方果实蝇，Bactrocera dorsalis，是一种具有破坏性的多食性害虫，会对各种水果作物造成损害，其分布范围目前正在全球范围内扩大。温度是影响昆虫种群动态和分布的重要非生物因素，它通过影响昆虫的生存、发育和繁殖来影响它们。我们在 13°C 至 35°C 的不同恒温下，研究了成虫 B. dorsalis 的生殖力、产卵前期和产卵期以及成虫寿命。雌性 B. dorsalis 的寿命范围从 116.8 天（18.8°C）到 22.4 天（34.9°C），每个雌性的最大产卵量为 1684 个卵在 28.1°C。雌性只能在 16.7°C 至 34.9°C 之间产卵，并且产卵前期和产卵期都因温度而异。我们在两个产卵模型（OM）中模拟了雌性繁殖：1）Kim 和 Lee 开发的现行模型，由一个生殖力模型、特定年龄的生存模型和特定年龄的累积产卵率模型组成，2）修改了现行模型的逻辑结构的两阶段 OM，通过将产卵前期分开，使处于产卵期的雌性在完成产卵前期后进行产卵估计。与现行模型相比，两阶段 OM 在较低和较高温度下提供了更现实的输出。我们讨论了两阶段 OM 对于具有较长产卵前期的昆虫繁殖的有用性。
