[occurrence of culex pipiens molestus forsk. in populated areas of the leningrad region]. | the mosquitoes of culex pipiens molestus first recorded from leningrad as far as 30 years ago have been reported from the settlements of the leningrad district since 1965. the most northern point of their occurrence is marked at 60 degrees 45' n and is removed from leningrad for over 120 km. such spread of mosquitoes to new settlements is associated with the development of multistory housing construction in the country and delivery of imagos from leningrad to the settlements of the district by m ... | 1975 | 124848 |
[experience in the control of the mosquito culex pipiens molestus forsk. in leningrad]. | systematic control of mosquitoes (c. p. molestus) has begun in leningrad since 1968 when undertaken inspections revealed mosquitoes and their aquatic stages in 21.8% of basements. all hatching sites of mosquitoes were registered and sanitary, hydrotechnical and destroying measures were carried out there. during the period of 1968 to 1973 the basements were cleaned, in 509 of them hydroisolation was made and many were dried. anually chemical treatment of basements was undertaken and for 6 years t ... | 1975 | 127154 |
[change in the autogeny of a leningrad population of culex pipiens molestus (culicidae)]. | eight year observations on the autogeny of c. p. molestus have shown that the per cent of autogenous females decreased from 87% (1968) to 25.6% (1976). the population of c. p. molestus from basement apartments of leningrad can be expected to receive a replenishment from free-living c. pipiens. | 1978 | 149939 |