Dergacheva T I, Zherikhina I I
Parazitologiia. 1978 May-Jun;12(3):244-51.
Phenological observations on sand flies of the genus Sergentomyia inhabiting the burrows of Rhombomys opimus from the Karshinskaya steppe were carried out for many years. The emergence of two mass generations of S. arpaklensis and S. grekovi was noted for the spring-summer period. In S. arpaklensis from oasis the appearance of the first individuals was noted mostly often in the II--III decade of May, the first peak of abundance--in the II--III decade of June and the second peak of abundance--early in August. In S. grekovi the appearance of the first individuals was observed at the end of April--the very beginning of May, the first peak of abundance--in the second half of May and the second peak--in the first half of September. During July--August the abundance of S. grekovi is rather low. Throughout the desert areas southward from oasis all phenological phenomena take place in both species ten days earlier than in oasis. S. arpaklensis is characterised by its very high abundance in oasis and in foothill loes plain, sharp fluctuations in the abundance both in seasons and years and by the prevalence of females over males during the active flight.
多年来，对居住在卡尔申斯卡亚草原大沙鼠洞穴中的司蛉属白蛉进行了物候观测。在春夏季观察到阿帕克勒斯司蛉和格雷科维司蛉出现两代繁殖高峰。在来自绿洲的阿帕克勒斯司蛉中，首次发现个体大多在5月的第二至第三个十年，第一个数量高峰在6月的第二至第三个十年，第二个数量高峰在8月初。在格雷科维司蛉中，首次发现个体在4月底至5月初，第一个数量高峰在5月下旬，第二个数量高峰在9月上半月。在7月至8月期间，格雷科维司蛉的数量相当少。在绿洲以南的整个沙漠地区，这两个物种的所有物候现象都比绿洲早十天出现。阿帕克勒斯司蛉的特点是在绿洲和山麓黄土平原数量非常多，数量在季节和年份上都有急剧波动，并且在活跃飞行期间雌性多于雄性。
