biometrical variations in haematophagous arthropods. ii. dv/d ratio of male terminalia of wild culex quinquefasciatus say (diptera: culicidae) in india. | the dv/d ratio of male terminalia is considered as most reliable morphometric feature to distinguish culex pipiens from cx. quinquefasciatus. in india although only cx. quinquefasciatus is known both in the filariasis (bancroftian) endemic and non-endemic areas, there has been no study on the amounts of morphometric variation among wild strains of this species. this paper reports variation in the dv/d ratio of cx. quinquefasciatus collected from 7 localities of delhi (d), lucknow (l), patna (p), ... | 1990 | 2230023 |
lymphatic filariasis in two distinct communities of upper assam. | current status of bancroftian filariasis among two distinct communities of upper assam was evaluated. high prevalence (10.3% mf rate) in tea workers descendents of tribals migrated from endemic states such as orissa, bengal, uttar pradesh and southern states of india, were recorded. among non tea workers (indigenous population) significantly low mf rate was found in spite of the fact that both the communities are living in close vicinity and in similar ecological and mosquitogenic conditions. cu ... | 1999 | 10810596 |
susceptibility status of culex quinquefasciatus in patna to insecticides. | to obtain the base line data, a study conducted in district patna, bihar to note the susceptibility status of adult culex quinquefasciatus against organochlorine, organophosphorous and synthetic pyrethroids. it was found that adult of cx.quinquefasciatus developed double resistance to ddt and dieldrin but susceptible to o.p. compounds and pyrethroids. cx.quinquefasciatus larvae are also found susceptible to o.p compounds like malathion, temophos, fenthion and fenitrothion. | 1993 | 8138290 |
little andaman island, a new focus of infection with nocturnally periodic wuchereria bancrofti. | a filariasis survey was carried out for the first time in the little andaman island, covering a population of 12,247 in 12 of the 13 villages. infection due to wuchereria bancrofti was found only in 3 villages with microfilaria (mf) rate ranging from 1.02 to 6.45 per cent. observations on the appearance of mf in peripheral blood showed that the parasite is nocturnally periodic form with a peak at 2000 h. the infection was prevalent only among the settlers from bihar and bangladesh and none of th ... | 1996 | 8840654 |