Comparative transcriptome analysis reveals host-associated differentiation in Chilo suppressalis (Lepidoptera: Crambidae)

Changes in cellular immune responses of Chilo suppressalis Walker (Lepidoptera: Crambidae) due to pyriproxyfen treatment

The effects of pyriproxyfen were determined on the cellular immunity and phenoloxidase activity in the 4th instar larvae of Chilo suppressalis Walker. The bioassay results revealed the effective concentrations of: 10L : 18C, 30L : 72C and 50L : 190C μg · ml–1. The sole effect of 18 and 72 μg · ml–1 concentrations at intervals of 1–3 h caused a higher number of total hemocytes in the treated lar...

Heritability of tolerance to the Cry1Ab toxin of Bacillus thuringiensis in Chilo suppressalis (Lepidoptera: Crambidae).

Heritability of Chilo suppressalis (Walker) tolerance to the Cry1Ab toxin of Bacillus thuringiensis Berliner was estimated using a half-sibling design. Artificial diet with and without Cry1Ab was infested with progenies of 20 males, each mated with 2 females, and mortality was scored 5 d after infestation. The progeny of each female was reared and scored separately. Mean mortality of the 20 fam...

اثر سیستم دوکشتی برنج بر برخی خصوصیات زیستی کرم ساقه خوار برنج (Chilo suppressalis (Lepidoptera: Crambidae

در سال­های اخیر، تمایل کشاورزان به سیستم دوکشتی برنج نگرانی­ هایی در زمینه تغییر در خصوصیات زیستی آفات و کاربرد بی­رویه حشره­ کش ­های شیمیایی ایجاد کرده است. در مطالعه حاضر، برخی ویژگی­ های زیستی لاروهای زمستانگذران کرم ساقه­خوار برنج، (Chilo suppressalis (Walker در مزارع یک بار کشت و دو بار کشت برنج در شمال کشور مورد مقایسه قرار گرفت. نمونه­برداری از مزارعی که در مناطق جغرافیایی یکسان قرار داش...

تاثیر کشت دوم روی انبوهی جمعیت کرم ساقه خوار برنج Chilo suppressalis; Lepidoptera: Crambidae

Trapping Chilo Sacchariphagus (lepidoptera: Crambidae) in Sugarcane Using Synthetic Pheromones

In June 2002, pheromone-trapping techniques were used successfully to detect the presence of Chilo sacchariphagus Bojer (Lepidoptera: Crambidae) in sugarcane at Mafambisse and Marromeu sugar estates in Mozambique. Trap design, bait concentration, trap placement and moth flight activity were examined. A simple trap constructed from a 2-litre plastic bottle and baited with two commercial syntheti...