Record Details
page 2-90
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 2-90 Phase II summary report (final) : Utah Lake water quality, hydrology and aquatic biology impact analysis summary for the irrigation and drainage system--Bonneville Unit, Central Utah Project, page 2-90 |
| Coverage | Electronic reproduction; |
| Format | 2-90 text/PDF |
| Rights | Brigham Young University; http://lib.byu.edu/about/copyright/generic.php Public Domain Public |
| Language | English; eng; en |
| Relation | Central Utah Project; Western Waters Digital Library; in utah A dorsalis larvae have been found in association with 18 other species of mosquitoes rees and nielsen 1947 but are most frequently found with A campestris campe stris A niphadopsis and A vexans texans C tarsalis marsalis tar salis C inornata incornata inor nata and A freeborni freeborne free borni aedes dorsalis larvae have been found in high numbers throughout vast acreages around utah lake figure 2d ad 1 and are often the most abundant mosquito encountered aedes vexans texans when A vexans texans is present it is generally abundant and a severe nuisance the winter is passed in the egg stage and the first brood usually hatches in late april or early may although there is some question as to the maximum number of generations that occur in a season there is no doubt that at least four broods occur per season in utah there is considerable fluctuation from year to year in the A vexans texans population as a result of water conditions and climatic factors small sources can produce tremendous numbers of larvae the larvae are found in flood water pools particularly in heavy willow areas tamarisk woodlands are increasing providing habitat in utah valley especially around utah lake they may occur in areas flooded from irrigation water or precipitation they are often found in the same habitat as A dorsalis and A nigromaculis nigro maculis figure 2d ad 1 summarizes the extent of aedes habitat areas around utah lake the adult bites during the day especially in the shade and increased biting activity occurs at dusk like A dorsalis A vexans texans will migrate a considerable distance aedes vexans texans has been fifth to seventh in abundance in utah county aedes nigromaculis nigro maculis aedes nigromaculis nigro maculis is a species which is capable of reaching pest proportions if not effectively controlled the winter is passed in the egg stage and several broods are produced during the summer a new one with each flooding of a source this mosquito prefers alkaline water in irrigated areas under optimum summer temperatures the life cycle will be completed in as little as 290 2 90 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/10625 |
