Slugs and a request for your comments

Robert Parks via pbs pbs@lists.pacificbulbsociety.net
Sun, 20 Aug 2023 13:14:36 PDT
Apparently the local (rare and endangered) San Francisco Garter Snake is a
slug and snail specialist. I have no idea if the common local salamander
eats baby slugs, I frequently find it under pots.

Robert

On Sun, Aug 20, 2023 at 12:39 PM David Schaeffer via pbs <
pbs@lists.pacificbulbsociety.net> wrote:

> A shame they're so uncommon around here, but Northern red-bellied snakes
> (*Storeria occipitomaculata*) are specialist slug feeders. I believe
> DeKay's brown snake (*S. dekayi*) will also dine on slugs and is a bit more
> common.
>
> - Dave
>
> On Sun, Aug 20, 2023, 3:27 PM Mike Rummerfield via pbs <
> pbs@lists.pacificbulbsociety.net> wrote:
>
> > I like Coin's idea.  I will try it.  (photo did not come through - I
> > believe you can only do that now via the forum)
> >
> > Here in the usually moist Pacific Northwest, specifically western
> > Washington, slugs, both native and introduced, are a perennial, constant
> > problem.  However, this year the population of slugs is the lowest I've
> > experienced in memory in the last 25 years --- maybe due to the fact
> we've
> > had no appreciable precipitation in my area since the end of March ---
> it's
> > a mediterranean climate, so summer drought is to be expected, but not of
> > such a long duration.
> >
> > I have found using beer in containers with a little depth, i.e. cat food
> > cans, cottage cheese containers, buried in the ground to near the rim
> *is*
> > effective.  But two caveats:  it means going around and emptying the
> traps
> > of dead slugs on a semi-regular basis; and this method also captures and
> > drowns beneficial predatory ground beetles.
> >
> > I've also found that corrugated cardboard laid on the ground is favored
> by
> > slugs who hide under it during the day, and can be dispatched.  They seem
> > to have an affinity for the corrugated cardboard over any other covering
> > (wooden boards are also effective, but less so).  Of course, it needs to
> > remain at least minimally moist under the cardboard to be useful as a
> > trap.  Not attractive, but *is* effective.
> >
> > Since I use only organic methods in all aspects on my property, I do use
> a
> > slug bait that is certified (OMRI) organic.  The brand I use is 'Sluggo'
> -
> > available at most nurseries and seasonably at local Costco(s).
> > The active ingredient is iron phosphate.  It is claimed to be
> > nonpoisonous to all other creatures and this has been my experience.
> > Unfortunately, it is inadvertently also an expensive mouse and bird food
> -
> > although it does not harm them, nor my cat who eats the mice.  A note:
> >  'Sluggo Plus' *does *contain spinosad (also certified as organic),
> > which helps control earwigs, cutworms, and sow bugs, but also is
> > poisonous to other non-targeted insects, including honeybees that might
> > come in contact with it on the ground.
> >
> > Regarding geophytes and slugs  -  slugs do eat the flowers of Galanthus
> and
> > Narcissus, but usually leave the leaves alone.  To my surprise, and
> dismay,
> > slugs do favor the leaves and flowers of amaryllids.  Ditto for Tulipa,
> and
> > less so on Crocus and irids.
> >
> > This year's extended, hot, dry weather has caused an unusually high
> > population of spider mites on many plants, including some not usually
> > affected by this pest.
> >
> > If you've made it this far in this email, it is further than I would have
> > made.
> > Best wishes to all for a prodigious gardening season.
> > Mike
> > Western Washington, cool mediterranean
> >
> >
> > >
> > _______________________________________________
> > pbs mailing list
> > pbs@lists.pacificbulbsociety.net
> > http://lists.pacificbulbsociety.net/cgi-bin/…
> > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>
> > PBS Forum latest:
> > https://pacificbulbsociety.org/pbsforum/index.php/…
> >
> _______________________________________________
> pbs mailing list
> pbs@lists.pacificbulbsociety.net
> http://lists.pacificbulbsociety.net/cgi-bin/…
> Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>
> PBS Forum latest:
> https://pacificbulbsociety.org/pbsforum/index.php/…
>
_______________________________________________
pbs mailing list
pbs@lists.pacificbulbsociety.net
http://lists.pacificbulbsociety.net/cgi-bin/…
Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>
PBS Forum https://…


More information about the pbs mailing list