四川省赫坎按蚊种团蚊种卵的形态及变异

对四川赫坎按蚊种团各蚊种因个体、地区以及季节和温度的不同而产生的卵形态变异进行了观察。将中华按蚊因各种因素影响产生的变异卵，归结为“宽中曲型”、“甲断型”两类卵型，认为“宽中曲型”卵，有可能为中华按蚊正在分化过程中的类型；中华按蚊在不同季节的不同温度条件下，能够产生同“小窄甲板型”、“大窄甲板型”、“小宽甲板型”、“大宽甲板型”相似的中华按蚊卵。为了避免产生误解，建议马氏（1964、1966）所称谓的“中华按蚊类群”仍称赫坎按蚊类群为好。

EGG FORM AND VARIATION OF DIFFERENT SPECIES OF AN.HYRCANUS IN SICHUAN

The paper reports the egg form of individuals and population of different species of An. hyrcanus group in different areas, seasons and temperatures in Sichuan.Various types of An. sinensis egg were concluded as follows: (1)Variation of eggs caused by species factors could be divided into two types i. e. "middle-wide curved" type or"slit - deck"type and the former type might be the interim -type in egg developmnt. (2) Under different seasons and temperatures, it is possible for An. sinensis to form eggs in "small narrow - deck", "big narrow-deck", "small wide - deck"and"big wide - deck"types. The authors suggested that in order to avoid confusion in conception it is practical to rename"An. sinensis group entitled by scholar Ma(1964, 1966)as An.hyrcanus group as usual.