The sweetpotato or cotton whitefly, Bemisia tabaci (Gennadius) transmits the Tomato leaf curl New Delhi virus [potato], and is, therefore, a major concern for quality seed potato production in India. The population dynamics of whitefly was studied for four seasons (2016–2020) in the Jalandhar region of Punjab (India). The whitefly adults appeared on the crop immediately after emergence and peaked (1.5–2.5 per plant) in the first week of November. The adults were found on the crops for 85.58 ± 4.95 days. The average daily temperature emerged as the strongest predictor for population fluctuation of adult whiteflies on potato plants. The native contribution to the whitefly population was negligible as nil or very few pupal exuviae were found on the potato plants. The trap catch was highest in the first 2–3 weeks after crop emergence (15–47 per trap) and decreased abruptly afterward and for the remainder of the sampling dates, very few whiteflies were trapped. The first 2–3 weeks represent the phase when maximum immigration of adults occurs in to the potato crops. The flight activity of the adults continued until the maximum daily temperature did not fall below 13 °C. The information on the pattern of flight activity and population fluctuation will help manage the whitefly virus complex more efficiently for the production of quality seed potatoes.

甘薯或棉粉虱Bemisia tabaci（Gennadius）传播了番茄叶片卷曲的新德里病毒[马铃薯]，因此是印度优质种薯生产的主要关注点。在印度旁遮普邦的贾朗达尔地区对粉虱的种群动态进行了四个季节（2016-2020年）的研究。粉虱成虫出苗后立即出现在作物上，并在11月的第一周达到峰值（每株植物1.5–2.5）。成年人在农作物上被发现的时间为85.58±4.95天。日平均温度成为马铃薯植株成年粉虱种群波动的最强预测指标。对粉虱种群的天然贡献可忽略不计，因为在马铃薯植株上几乎没有或仅有很少的ex成虫。在作物出苗后的前2-3周，诱捕装置的捕捞量最高（每个诱捕装置为15-47个），此后突然下降，在其余的采样日期中，很少有粉虱被困住。前2-3周是成年马铃薯最大成年移民时期。成年人的飞行活动一直持续到每日最高温度不低于13°C。关于飞行活动和种群波动模式的信息将有助于更有效地管理粉虱病毒复合体，以生产优质种薯。