1.Common Species More than 600 species recorded all over the world; 224 known in China,of which 186 are insect pests and 38 are mite pests. *About 30 species are often found everywhere. ™ More than 600 species recorded all over the world; ™ 224 known in China, of which 186 are insect pests and 38 are mite pests. ™ About 30 species are often found everywhere. 1. Common Species 1. Common Species