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建立人际资源圈Green_Lacewing
2013-11-13 来源: 类别: 更多范文
Green Lacewing
The green lacewing (Chrysopa spp.) is a soft bodied small to medium sized insect (10-20mm), there are dozens of species of green lacewings in North America and Canada (C. ornata, C. majuscula, C. californica). The green lacewing is a very delicate looking insect , the body is greenish to a pale yellow, with ten segments and no cerci, possessing compound eyes of a copper color. The antenna are threadlike or filiform and span the length of two thirds of the body. The delicate wings are clear with greenish veins, and are at least one quarter longer that the body, this observation is best used for deciphering the lacewing. For more intricate observations the front wings as well as the hind wings are similar in size and shape with the front wings possessing one radial sector, the subcosta and radial veins of the wings are not fused at the wing tip, unlike other geniuses and the costal cross veins are not forked.
The life cycle of the lacewing is quite interesting as well, being that it is constantly metamorphosing from larvae to nymph, to the final adult stage. A female lays up to
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