Severe cold reduces pest load. Blackheaded ash sawfly (Tethida barda) Appearance: Larvae are whitish yellow with black heads and legs. This pest preferably feeds on mustard plants if given the choice, otherwise it is considered a serious pest to all the cruciferous crops at seedling stages (Vora et al., 1985). Fly population was first time recorded from 46th WS with 2.0±0.3 larvae/plant. Willow leaf sawfly damage is easily recognized by the fleshy galls that develop at the spot where the female injects her eggs into the leaves. Mustard is among the oldest recorded spices as seen in Sanskrit records dating back to about 3000 BC (Mehra, 1968) and was one of the first domesticated crops. The grub of the sawfly causes the most damage, feeding on the leaves (Figs 20.5 and 20.6), causing shot holes and sometimes riddling the whole leaf in severe situations. Symptoms appear on all aerial parts but usually on leaves and inflorescence ; Mustard 1. DC Field Value Language; dc.contributor.advisor: Ahmad, Hafeez-dc.contributor.author: Bhat, Farooq Ahmed-dc.date.accessioned: 2017-08-22T10:54:36Z-dc.date.available The population range of mustard sawfly was 0.3±0.2-7.3±0.6 larvae/plant in season (Table 1). Mustard Sawfly has become a serious pest of mustard, attacks all types of plants in family Brassicaceae like mustard, rapeseed, cabbage, cauliflower, knol-khol, turnip, radish etc. Sawfly damage is caused by the larvae that feed on the plants in several different ways, depending on the species. However, in case of moisture stress, one irrigation at flowering is required to obtain good yield. Mustard Sawfly, Athalia lungens Klug. Water management Normally, no irrigation is required in the rapeseed-mustard as it is sown on residual soil moisture and it receives one or two showers during October and November months. Use low impact management methods when possible. Azalea sawfly defoliation; Management: Look for azalea sawflies in early spring. Population Dynamics of Insect Pests in Mustard and Eco-friendly Management of Lipaphis erysimi (Kaltenbach) in Uttrakhand Sundar Pal1*, ... Mustard sawfly population was recorded from 46th to 4th SW. Apply irrigation in seedling stage is very crucial for sawfly management because most of the larvae die due to drowning effect. It is a pest of cold weather and is generally active during October to March. Azaleas may be blooming when sawflies are found so take precautions to protect pollinators. MUSTARD Brassica juncea L. Group No: 04 2. Sawfly Damage. Use a pesticide if it is necessary to treat larvae. Irrigation increases yield of rapeseed and mustard significantly. Mgt : Apply irrigation in seedling stage is very crucial for sawfly management because most of the larvae die due to drowning effect. The female fly lays the eggs singly on the young leaves, close to the margin.

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