Re: mosquito control (was algae and rainwater)

From: Carl Strohmenger (HSC) (
Date: Tue Jun 08 1999 - 03:04:07 PDT

Date: Tue, 8 Jun 1999 06:04:07 -0400 (EDT)
From: "Carl Strohmenger (HSC)" <>
Message-Id: <aabcdefg2048$foo@default>
Subject: Re: mosquito control (was algae and rainwater)

Another control would be to grow Utricularia inflata or Aldrovanda in your
water basins. They both do a pretty good job of larvae control in wsater.
- Carl

On Mon, 7 Jun 1999, Jay Lechtman wrote:

> While I cover the three 32-gallon cisterns I use to collect
> rainwater from the water (my, but water butt is a much more colorful
> term <gr>), I still get mosquito larvae in the water trays my
> outdoor plants are placed in. Since the mosquitoes look menacingly
> like the Asian Tiger Mosquitoes I have heard now can carry Dengue
> Fever in the Southeast U.S. (might need David M. or another
> CDC-type to verify this <gr>) I'm somewhat concerned.
> I have recently seen mosquito control cakes comprised primarily (I
> believe) of Bacillus thuringiensis var. israelensis, and designed
> to be broken up and disolved in water.
> Has anyone used this product? Any experiences you can share?
> untoward effect on plants? reapplication rate? effectiveness?
> pieces of the cake are applied according surface area of the water,
> and the label says that the Bt, once applied in water, can dry out
> and be re-wet repeatedly without losing effectiveness.
> Look forward to replies (to the list, please)
> Jay Lechtman ( Ashburn, Virgnia, USA

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