Occurrence of the three pests of leafblotch miners on garden plants in Guangzhou;

Identification on Larval Instars of the Asintic Apple Leaf-miner, Lithocolletis ringoniella Mats;

Through the research, it can be found that, to Lithocolletis ringoniella Mats.

Investigation on the Effect of Sex Pheromone Core of Lithocolletis ringoniella and Adoxophyes orana in Orchard;

Developmental threshold temperature and effective accumulated temperature of Lithocolletis ringoniella.;

Parasitic larvae in Yangling apple orchard gathered distribution, however evenly distributed in Luochuan; There were significant differences but not greatly significant differences in different directions of parasitic wasp of Lithocolletis ringoniella in the two places; The parasitic wasp of Lithocollet ringoniella within the canopy had more less cluster.

The general research of occurrence regularity and control of golden yellow gracilariid;

The outbreak of golden yellow gracilariid in recent years.;