Pest control of traditional Chinese medicine honeysuckle

This aphid belongs to oligophagous pest, host is honeysuckle. It is distributed in Shandong, Yunnan and other places in China.

1. Pest morphology

Aptera parthenogenes, ovoid, 3 mm long, 1.7 mm wide. Head of slide specimen, black ossification of prothorax, black spots on middle and rear thorax, pale abdomen, no stripes. All appendages are ossified black. The head, chest and body edge showed folds. Stigmata rounded closed, stigmata ossified black. Thorax, abdomen internode spot is apparent blackish brown, forechest and abdomen the 3rd to 6th section have wool shape edge tumour, in thoracoabdominal forked ossification long handle. Pointy dorsal hairs. The middle forehead tumor is slightly raised, and the forehead tumor is raised outward. The antenna has tile grain, the antenna hair long pointed. Foot thick, smooth, lateral aspect of the thigh section has curved lines. Abdominal canal long cylindrical, smooth, slightly ruffled stripe, tapering from base to end, without protruding, notched. The tail is rounded, with rounded spines. Caudal plate semicircular, end slightly blunt. Genital plate ossification.

The female aphid has wings and is ovate in length, 2.6 mm long and 1.0 mm wide. Head, sternum black, antenna 2. 5 mm, approximately equal to or slightly shorter than body length. Ossification of wing, abdominal tube, caudal plate and caudal plate is black, foot ossification is black, 1/2 of femoral joint end, 1/2 of tibial joint end and tarsus are black. Long hair on the back, pointed. The veins are normal. Abdominal tube long cylindrical. Others are similar to wingless forms.

2. Damage characteristics

In honeysuckle bud pregnancy, flowering occurs. It mainly damages leaves, sucks sap, makes leaves curl backward, buds deformed, branch growth inhibited, photosynthesis reduced.

3. Life history and habits

More than 20 generations occur a year. The eggs overwinter in weeds. The next year around Qingming (temperature 10℃) damage young leaves, after gradually spread. Asexual reproduction in summer, the higher the temperature, the faster the reproduction. The weather was dry and severe.

4. Prevention and control methods

Weeding in time, summer combined with pruning, reduce canopy density. 0.3-0.5 Baume's sulfur mixture can also be sprayed at the peak of occurrence. Another washing powder 0.5 kg, urea 1 kg to water 100-200 kg, 3-5 days spray once, every 667 square meters 50-70 kg.