Cilantro planting: what is coriander fennel butterfly?

What is parsley and fennel butterfly? How to prevent and cure parsley and fennel butterfly? The harm of coriander fennel butterfly: fennel butterfly, also known as yellow butterfly, golden butterfly, mainly harm fennel, carrots, parsley and other umbels vegetables. The larvae eat harmful leaves and feed at night. When touched, they can protrude stinky horns from the chest and exudate odorous fluid. The adult fennel butterfly is yellow, 24-32 mm long, with black wide longitudinal stripes on the back, black and yellow markings on the front and rear wings, blue markings on the rear wings near the outer edge, and an erythema near the posterior edge. Ovoid. The mature larvae are 52-55 mm long, green, with black vertical stripes on the head and short black horizontal stripes on the back of the chest and abdomen. The pupa is yellowish brown, striped and has 2 horns on the head. The fennel butterfly has two generations every year, overwintering as pupa on bushes and branches, and Eclosion from April to May in the following spring. The first generation of larvae occurred from May to June, the adults emerged from June to July, and the second generation occurred from July to August. The eggs are scattered on the leaves. The larvae are active at night to feed. When touched, the stinky gland protrudes from the forechest and exudates odorous fluid. Fennel butterfly control methods: 1, combined with field management to artificially kill larvae. 2. Before the third instar, spray 20% urea gel suspension 1000 times, 20% fenbufenozide suspension 1500 times, 10% chlorhexidine suspension 1500 times, 5% cardicol dispersible solution 1500 times, 10% high efficiency Bakoke EC 1500 times, 98% Batan soluble powder 1000-1500 times, 4.5% Yunda Anzhi 1500 times, 90% Wanling soluble powder 4000 times, 5% Regent 2500 times, 20% permethrin EC 2000 times, 2.5% cypermethrin EC 2000 times, 2.5% Yitaibao EC 3500 times, 2.5% baud EC 2000 times, 50% phoxim EC 1500 times, etc. Click to get more coriander planting techniques click to get more vegetable planting techniques