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Re: Re[2]: cutworms, grubs, Japanese beetles, June bugs

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

The Japanese beetle I remember from back East is green, actually bright
green.  It is very destructive, possibly one of the most destructive garden
and landscape pests in the midwestern US.  Doesn't really resemble our
metallic green so-called June beetle.  So far, we don't have the Japanese
beetle here in the AZ desert.

There are "nice" pictures of the Japanese beetle
http://entweb.clemson.edu/caps/regional/jb/jbadult.htm and
at  http://everest.ento.vt.edu/Fruitfiles/JBPeach.html a picture of a green
June beetle at
http://everest.ento.vt.edu/Fruitfiles/gjb.html and a description of the tan
June beetle at
http://everest.ento.vt.edu/Fruitfiles/JBPeach.html (no picture).  We only
have one of them.  Some people may have all of them.

Olin


-----Original Message-----
From: swestaway@smtplink.Coh.ORG <swestaway@smtplink.Coh.ORG>
To: sqft@listbot.com <sqft@listbot.com>
Date: Wednesday, June 23, 1999 1:57 PM
Subject: Re[2]: cutworms, grubs, Japanese beetles, June bugs


>Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html
>
>     Hi Kim,
>
>     Other members on the list might be more informed, but I too live in
>     So. Cal. and this is what I think your bugs are. The iridescent ones
>     we call Japanese beetles, and they eat figs. Ours got to be golf-ball
>     sized and dive bomb you (we cut down the fig tree). I think that the
>     huge white grubs in our compost pile with the brown heads are their
>     larva. The small tan flying beetles we call June bugs, and I've never
>     seen them do my veggies any damage, though other folks on the list say
>     they can. I imagine they damage my lawn though, as I've never tried
>     the bioweapon to get rid of them. I don't know what their larva look
>     like, though it's probably similar to the Japanese beetle, but
>     smaller. I don't squish the larva in the compost (except by accident
>     with the pitchfork) because I think they help digest the big pieces.
>     The damage the June bugs do to lawns can be seen by a brown, or dead,
>     patch. This hasn't happened to me, but maybe certain grasses have
>     natural immunity or the proper feeding schedule helps them fight the
>     root damage.
>
>     HTH,
>     Shawn
>     Claremont, CA USDA9b Sunset19
>     swestaway@coh.org
>
>
>______________________________ Reply Separator
_________________________________
>Subject: Re: cutworms, grubs, Japanese beetles, June bugs
>Author:  Kim Kiernan <kkiernan@home.com> at internet
>Date:    6/23/99 9:00 PM
>
>
>Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html
>
>I'm confused.  Which are the irridescent green and bluish flying beetles
>that are large (about half the size of a thumb).  They make a ton of
>noise when flying around, and seem to like to dive bomb you.  I always
>though these were June bugs, but my neighbor pointed out to me a small
>brownish beetle, about the size of a ladies nail on her ring finger.
>She calls these June bugs.  Neither one seems to fit your description
>below.  Any ideas what these are?
>Oh, and I do find big fat white grubs in my planting beds and in my
>compost sometimes.  I squash these.  Is there any reason I shouldn't?
>
>How do you know if you have grubs in your lawn? Do you have do dig up
>part of your lawn in order to tell?
>
>Thanks. Kim zone 9, sunset 23 so. cal
>
>The Rosses wrote:
>>
>> 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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