Control of Adult Mosquitoes In Alaska with Aerial Sprays1

Blanton, Franklin S.; Travis, B. V.; Smith, Nathan R.; Husman, C. N.

doi:10.1093/jee/43.3.347

Cited by 10 publications

(10 citation statements)

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“…In tundra a t Umiat, Alaska, Blanton et nl. (1) showed that mosquitoes infiltrated an area of 16 sq. miles within 13 hr.…”

Section: Discussionmentioning

confidence: 99%

“…cinereus Meig., though widely distributed, is a relatively weak flier and is usually found only in vegetation near its breeding place. At Fairbanks, Alaska, Blanton et al (1) found that mosquitoes dispersed into a lightly forested area of 100 sq. miles in which the larvae had been killed, within three days after they had emerged in adjacent untreated areas.…”

Section: Discussionmentioning

confidence: 99%

“…The results of such operations in recent years show that after the mosquitoes of an area are killed by spraying, reinfestation from the surrounding territory may occur rapidly (1). Accurate knowledge of the flight range and dispersal patterns of the important types of biting flies is needed in order to increase the effectiveness of control measures.…”

Section: Introductionmentioning

confidence: 99%

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Dispersal and Flight Range of Subarctic Mosquitoes Marked With Radiophosphorus

Jenkins¹,

Hassett²

1951

Can. J. Zool.

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The dispersal and flight range of the mosquito Aedes comm?tnis, a species characteristic of the northern coniferous forest, were studied a t timberline a t Churchill, Man., during the summer of 1950. Four million larvae were collected and reared in wooden tanks containing 0.05 pc. of P32 per larva. About 3,000,000 adults with an average radioactivity of 775 c.p.m. emerged and dispersed in the Warkworth area. One hundred and forty-one radioactive mosquitoes were recovered, of which 63 had dispersed from 150 f t . to 5000 ft., the average dispersal being 500 ft. The effective dispersal was determined to be about 0.25 miles. This study indicates t h a t A . communis is a relatively sedentary mosquito and has a limited flight range in the northern coniferous forest in comparison with arctic tundra species. This mosquito rests in vegetation and does not attack human beings during the daytime. Additional data are presented on the habits of this and other northern species of mosquitoes.Manuscript received December 6, 1950. Medical Diuision, A r m y Chemical Corps, A r m y Chenzical Center, Maryland, U.S.A. T h e aatlzors were collaborators on the progra~n for Biology and Control of Biting Flies in

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“…In tundra a t Umiat, Alaska, Blanton et nl. (1) showed that mosquitoes infiltrated an area of 16 sq. miles within 13 hr.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dispersal and Flight Range of Subarctic Mosquitoes Marked With Radiophosphorus

Jenkins¹,

Hassett²

1951

Can. J. Zool.

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“…impiger at Hazen Camp closely resembles that of these and other arctic mosquitoes elsewhere, at least with respect to the features that have been investigated. Tundra mosquitoes usually disperse widely (Blanton et al 1950); furthermore, young mosquitoes may fly in conditions (e.g. Overall, it appears that the results from Hazen Camp contribute more to our knowledge of arctic mosquitoes than to our knowledge of high-arctic mosquitoes per se.…”

Section: Phenology Of a E E S Impiger And Anigripes Atmentioning

confidence: 99%

Seasonal Emergence and Activity of Mosquitoes (Diptera: Culicidae) in a High-Arctic Locality

Corbet

Danks

1973

Can Entomol

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The emergence and adult activity of Aedes (Ochlerotatus) impiger and A. (O.) nigripes during 1962–66 at Hazen Camp (81°49′ N., 71°18′ W.), Ellesmere Island, N.W.T., are described.The greater part of seasonal emergence (assayed by emergence traps) took place from shallow ponds during a period of 7–10 days, usually in early July. Emergence of A. impiger began about 3 days earlier than that of A. nigripes, and peak emergence of the two species was separated by about 4 days; males of both species normally emerged 1 or 2 days before the females. From each pond 80% of annual emergence usually occurred within 3 or 4 days. Pond-to-pond differences were correlated closely with water temperature, but delayed emergence occurred at the end of the emergence period in temporary ponds, as the ponds became dry. Year-to-year temperature differences altered both the seasonal position and the duration of emergence in a given pond by up to 10 days.The flight activity of adults (assayed by a Visual Attraction Trap and a Malaise Trap) was greatest shortly after the period of greatest emergence, but adults, especially females, were caught for more than a month after emergence had ended. Biting by females continued throughout this period, but swarming of males was more abbreviated, especially in A. impiger. The number of adults trapped fluctuated from day to day according to weather: flight was inhibited when maximum screen air temperatures were below about 5 °C. The interval required for ovarian maturation was about 9 days in both species, and some females completed at least three gonotrophic cycles. The successive cycles were detected in the population by analysis of sweep-net catches, the proportion of gravid females caught in the traps being affected considerably by weather. Successive gonotrophic cycles were well synchronized, like emergence, in A. nigripes; retention of eggs apparently obscured such synchrony in A. impiger.Feeding on nectar (of the flower Dryas integrifolia) was apparently needed by both sexes to maintain activity, at least upon emergence.Year-to-year differences in the numbers of adults emerging were correlated with the amount of flight, and hence reproductive activity, permitted by weather the previous year.These findings are summarized graphically (Fig. 21). Critical comments are made on the usefulness of some of the sampling methods employed. Some characteristic biological features of arctic mosquitoes, leading to prompt emergence in spring and permitting subsequent reproductive activity despite the low temperatures and variable weather of the summer, are discussed.

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“…The maximum flight range of these mosquitoes has not been well explored in the mountains of Colorado, but in other regions of the western U.S. (Nielsen, 1957) and in the subarctic (Blanton et al, 1950) they appear to be capable of flying great distances. As their emergence sites disappear, females may seek remaining pools that retain water late in the summer.…”

Section: Discussionmentioning

confidence: 99%

Breeding structure of three snow pool Aedes mosquito species in northern Colorado

West

Black

1998

Heredity

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RAPD-PCR polymorphisms were used to examine breeding structure in three species of snow pool Aedes mosquitoes across three river drainages in northern Colorado. Larvae were collected from four snow pools for Aedes cataphylla Dyar, seven pools for A. hexodontus Dyar and six pools for A. pullatus (Coquillet). Polymorphisms were scored at 47-48 RAPD loci in each species. To test for isolation by distance, F ST /(1 F ST ) values between pairs of pools were plotted against geographical distances and subjected to a Mantel test with 1000 random permutations. F ST values were independent of geographical distances in A. cataphylla and A. hexodontus but were somewhat correlated in A. pullatus suggesting isolation by distance in this species. A cluster analysis was performed on pair-wise F ST values among pools including seven pools that were sampled in both 1994 and 1995. Bootstrap analysis indicated that pools clustered across drainages and generally independently of geographical proximity. However, there was consistent support for clustering of larvae collected from the same pool across years in A. cataphylla and in high altitude collections of A. pullatus. Mountains do not appear to act as major barriers to gene flow in any of these species. Instead, seasonal differences in adult emergence may serve as barriers to migration among A. pullatus and A. cataphylla populations. Larvae of A. hexodontus are distributed continuously in grassy pools along the banks of rivers and genetic drift probably occurs through random larval mortality when these pools are washed out during spring run-off.

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Control of Adult Mosquitoes In Alaska with Aerial Sprays1

Cited by 10 publications

References 0 publications

Dispersal and Flight Range of Subarctic Mosquitoes Marked With Radiophosphorus

Dispersal and Flight Range of Subarctic Mosquitoes Marked With Radiophosphorus

Seasonal Emergence and Activity of Mosquitoes (Diptera: Culicidae) in a High-Arctic Locality

Breeding structure of three snow pool Aedes mosquito species in northern Colorado

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