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1. elytron

1. The genetic distance a mong different splash types of H. axyridis was 0.0021 to 0.0328 The aver age gene tic distance was 0.0193 The molecular phylogenetic tree suggested that the me mb ers with the same elytron color were grouped together with high bootstrap confid ence values, showing low diversity among the populations. H. axyridis ab. luna t a Hem and H. axyridis var. spectabilis Fald were most closely related. H. ax yridis var. axyridis Pallas was a primordial population of coccinellidae, which wa s differentiated earlier than the other populations.
    分子系统树显示：各类群间遗传分化很小，鞘翅颜色相同的瓢虫均已较高的置信值聚在一起；双月斑变型和显明变种亲缘关系最近，重名变种为原始类群，分化较早，与其它12种不同色斑异色瓢虫亲缘关系较远。

2. On the elytron surface, the maximum adhesive force in lateral direction is about 213 mN, and it is 17 times of beetle own weight.
    吸附在鞘翅表面时测得最大切向吸附力约213mN，相当于昆虫自身体重的17倍。

3. There are two kinds of elytra, i. e. elevated ridge and smooth caudal slope, either elytron in black or elytron in yellow.
    不论黑底型的，还是黄底型的鞘翅均存在波峰和平滑尾边两种情况。

1. either of the horny front wings in beetles and some other insects which cover and protect the functional hind wings

    Synonym: wing case