Gordeev M I, Stegniĭ V N
Genetika. 1989 Feb;25(2):283-91.
The role of chromosomal variability was studied in the process of biotopical distribution of larvae of the sibling species Anopheles messeae and A. beklemishevi. It is shown that frequency of the inversions XL1, XL2, 2R1, 3R1 of A. messeae was changed in the lakes with different larval quantity of the sibling species. Mosquito of A. beklemishevi were developed in the suboptimal biotops having low larwal quantity of A. messeae with the analogous chromosomal arrangement 2R1. The larvae with "northeast" genocomplexes of A. messeae prevailed over A. beklemishevi in the lakes with high larval quantity and this prevalence determined dominant state of A. messeae. It is noted that natural selection on the preimaginal stages of development acts in the direction of karyotypic divergence of the sibling species and promotes more effective utilisation of food resources by each species.
研究了染色体变异性在近缘物种梅氏按蚊和贝氏按蚊幼虫生态分布过程中的作用。结果表明，在不同近缘物种幼虫数量的湖泊中，梅氏按蚊XL1、XL2、2R1、3R1倒位的频率发生了变化。贝氏按蚊在梅氏按蚊幼虫数量较少的次优生境中发育，其染色体排列与梅氏按蚊类似，为2R1。在幼虫数量较多的湖泊中，具有“东北”基因复合体的梅氏按蚊幼虫数量超过贝氏按蚊，这种优势决定了梅氏按蚊的优势地位。值得注意的是，发育前期的自然选择作用于近缘物种的核型分化方向，并促进每个物种更有效地利用食物资源。
