【摘要】 瓢虫幼虫的各龄的体色、斑纹和毛瘤、色泽等变异大,给幼虫识别鉴定和田间调查造成困难。我们对新疆常见8种瓢虫幼虫逐龄观察比较,发现各龄幼虫胸足的跗冠毛的数量和爪基齿的形状无变异,而且容易观察识别。本文用跗冠毛的数量和爪基齿的形状将新疆8种瓢虫幼虫编制成简明检索表。更多还原

【Abstract】 It makes larva recognition and field investigation difficult because of greater variations in color, stripe of body, color of hair tumour and so on with various ages of larvi. Through age-to-age observation and comparison for 8 species of common ladybird larvi in Xinjiang, we found no variation of both number of upright aigrette on chest feet and appearance of basic tooth on claws with the different age of larvi, and easy observation of them. This report presents an indexing table for common ladybird larvi mentioned above, based on the quantities of upright aigrette and shape of basic tooth of claws.更多还原