嗜人按蚊主要分布在豫南的固始、淮滨、商城、潢川等县的丘陵水稻区,为当地传播恶性疟的主要媒介。作者于1984～1987年对这种分布现象与土壤的关系作了调查。 调查区位于淮河与大别山之间,地形由南向北分为丘陵、垄岗和平原。河流甚多,呈西南——东北方向流入淮河。黄棕壤为地带性土壤,主要有黄棕壤性淹育型、潴育型、潜商型及侧渗型水稻土。上述四种 Anopheles anthropophagus mainly distributes in the hilly rice area of ​​Gushi, Huaibin, Shangcheng, Huangchuan and other counties in south Henan, which is the main medium for transmitting falciparum malaria locally. The authors investigated the relationship between this distribution and the soil from 1984 to 1987. The investigation area is located between the Huaihe River and the Dabie Mountains. Its terrain is divided into hills, ridge hills and plains from south to north. Many rivers, southwest - northeast flow into the Huaihe River. Yellow brown soil is a zonal soil, mainly yellow-brown submerged flooding, retention type, submersible type and lateral seepage type paddy soil. The above four kinds