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Re: cutworms, grubs, Japanese beetles, June bugs

Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

According to "The Insect Guide" R. B. Swain, Japanese beetles are Popillia
japonica and the June beetle is Phyliophagea fusca - two very different
species.  Both are scarab beetles as is the Rose chafer Macrodactylus
subspinosus and plenty others.  The adult of all three feed on garden
flowers and various leaves.  The only carpet beetle I find are not garden
problems.  The adult Japanese beetle is iridescent and fairly red, the
chafer is tan and the May beetle quite large.  The larva of all three feed
on roots and can cause all sorts of trouble - the May mainly for coniferous
trees, the others for lawn.  Bt on the lawn kills the grubs but it takes
time - years, or you can knock the adults into a small bottle of soap water
or kerosene.  Cutworms includes a large number of species, but they are
mainly brown, gray or blackish - not white.  

The rose chafer may be fatal to children if eaten in large quantity - just
thought you would like to know.


John Ross, Northern NY
----------
> From: Martha Wells <flylo@txcyber.com>
> To: 'a square foot' <sqft@listbot.com>
> Subject: cutworms, grubs, Japanese beetles, June bugs
> Date: Tuesday, June 22, 1999 10:48 AM
> 
Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

I always thought those big white larvae (grubs) were also called cutworms, 
and all are the young June bugs. Gardens Alive! catalog (which I can't find

at present) says that there are two bugs similar, the Japanese carpet 
beetle and an ? Iridescent beetle? that, actually, if you eliminate the 
June bug (Japanese beetle) grub, the other one is more voracious, and 
damaging.
They do sell an organic product made from cornmeal that seems to work on 
these insects overall. But, is anyone more up on what's what?
martha


end


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