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November 8, 2025 20 mins

On The Garden Hour with Pete Wolfkamp and Ruud Kleinpaste Full Show Podcast for November 9th 2025, Ruud shares his tips on tackling the invasive yellow-legged hornets, how to test to see if imported wood has been fumigated before you mulch it, and what to poison ants with if all else has failed.

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Available transcripts are automatically generated. Complete accuracy is not guaranteed.
Speaker 1 (00:06):
You're listening to the Resident Builder podcast with Peter Wolfcamp
from News Talks.

Speaker 2 (00:11):
Be a bit tricky with my leg, but otherwise fine.

Speaker 3 (00:16):
It doesn't sound good.

Speaker 2 (00:18):
Yeah, no, no, no, it's not good. I need to know.
I'll have to talk to my surgeon. Right, Okay, I
need another knee. You need just another knee, that's all.

Speaker 3 (00:29):
Yeah, I can imagine. Hey, I've been really interested sort
of the concern that's out there around these hornets. Right. Obviously,
we don't want them to establish themselves, and so I
think primary industries went from four traps to one hundred
and twenty. But what I'm finding now is people going, look,

(00:51):
I've got this recipe. You make this trap, and if
they happen to be floating by, they'll they'll die in
this port, in this mixture. Is there any science to this.

Speaker 2 (01:02):
Well, to be quite honest, not that I know of,
butarticular species, right, but that you could see. This is
where New Zealand is always so clever. They try stuff, yes,
and they have a go, and I think you shouldn't
stop trying in that way. Okay, these things do like
their honey, and they do like other things, you know,

(01:24):
So you there is a way of trapping them. But
I think that the data that they might have gone
on is for a slightly different art it if you
like species, but.

Speaker 3 (01:35):
You know, have a go Okay, now that's all right
because I did come home with some beer because one
of the recipes I saw included beer, and I'm like, okay, well,
if I'm going to make it, I'll have to go
and buy beer, which I did, and I've still got
some rift and all right, so I in all seriousness,
we want to be able to stop this thing, right,

(01:55):
So is there a role for the citizen scientists to traps?
Make a trap? And could it be effective? And there's
a bit of a question mark about that, but hey,
look what's the harm?

Speaker 2 (02:08):
Yeah, exactly, And to be quite honest, it is the
way to go, to be quite honest in some way.

Speaker 3 (02:13):
Okay.

Speaker 2 (02:14):
But on the other hand, the first thing that you
need to do if you're not one hundred percent sure
if you see some of that. I always say, if
you see something that looks like one of those things
for crying out loud, get MPI on board, because they
kind of know what to do now they are starting.
They've got a really I think they've got a technical
Advisory Group. And I'm sure some of these people are

(02:35):
pretty good at those sort of things. They know what
to do roughly a.

Speaker 3 (02:38):
On our behalf. Could I ask you, because you are
a proper scientist, to do some research and find me
a recipe for traveling them, because everyone seems to be like,
we'll get it. You get an old milk bottle, cut
some holes in the side, pour on this potion and
if they're around, they'll be attracted to that. They'll land
in there. And they did, which is awesome.

Speaker 2 (02:58):
So that's one of them.

Speaker 1 (02:59):
Yeah.

Speaker 2 (03:00):
I actually went through that thing about it about a
week ago before I had before I went away, but
I haven't got the data with me. I had a
look at it and.

Speaker 3 (03:10):
Send me the recipe, and if it happens to include beer,
all the better. But if it doesn't, that's fine. I'll
go with a new recipe.

Speaker 2 (03:17):
Yeah, I'm not too sure if beer would be it.
But if they're going for sweet stuff, the sweeterest stuff
is probably a much better idea because they can pick
that up quite well, which is why they love to
feed on bees.

Speaker 3 (03:30):
Right.

Speaker 2 (03:31):
Ah, that's the thing. Yes, they love eating.

Speaker 3 (03:33):
Bees because bees are sweet.

Speaker 2 (03:36):
Yeah, there you go.

Speaker 3 (03:37):
Well, crunchy but sweet.

Speaker 2 (03:38):
See all right.

Speaker 3 (03:43):
Rud's going to send me a riscie when I get
the recipe, I'll have a crack at this right, let's
get into it, mate. Oh eight hundred eighty ten eight.
If you'd like to talk to Ruth, the lines are open. Philip,
good morning, Good morning boys, greetings.

Speaker 4 (03:58):
Hello doctor Phillips, yep, and no, doctor Rude, not me. Hey.
I've been given some bearers that are coming out with
machinery on from Europe. Bear timber bearers, you know, wooden bearers.
They've brought machinery out from Europe. It's actually Nordic fine,

(04:21):
oh nice, and they're roughly two hundred by two hundred square.
We've cut them up for firewood and there are one
hundred years old. There's a hundred rings on a piece
at two hundred by two hundred. Whoam so you know
that's Pete would be interested in that. That's pretty slow growing,
stuffy with with the dust and that or the chips

(04:45):
from the cutting them up for firewood. Would it be fumigated,
that would be fumigated on the way over, or would
be to be used for compost or molsh.

Speaker 2 (04:55):
I don't know what did the bearers bear.

Speaker 3 (05:01):
Something quite heavy.

Speaker 4 (05:03):
Yeah, yeah, hit the real heavy stuff. Yeah, big big machine,
big big factory machinery.

Speaker 2 (05:09):
But that may not have been anything to do with
having been treated though.

Speaker 4 (05:14):
Yeah, I know. But I'm just wondering, like you know,
you know, stuff that's important, can you often get fumigated?
And I'm just wondering whether whether you think it may
have been or not west.

Speaker 2 (05:26):
On arrival? I doubt, I doubt whether that's going to
be a massive thing, to be quite honesty. So so
I wouldn't think.

Speaker 4 (05:36):
That a little before putting it in compost or as
emotional in the garden.

Speaker 2 (05:45):
Yes, okay, what can you do with that? Maybe have
one of those little bits and and mesh it up
if you like, and see if anything will grow in it.
So you do a trial with it, if it is treated.
If it is treated, you'll find that whatever one you
put on the if you if you can, you can
you imagine making it into a compost the type material

(06:08):
that you can put plants in just a little bit.

Speaker 4 (06:13):
Yeah, it's all fresh at the moment. I mean, it's
just just only been just cut up.

Speaker 3 (06:16):
Yeah, it sounds like you've got some sawdust and then
as a result of cutting the beams up firewood.

Speaker 2 (06:25):
Yeah, try it, Try it in one or two things.
Try it with something like potatoes, tomatoes, whatever, that sort
of stuff, and you'll know very quickly to be quite
if you go.

Speaker 3 (06:34):
On, Philip, I'm very familiar with the sort of timber
that you're talking about, because, as it happens, my dining
table is made out of exactly that timber from old crates.

Speaker 5 (06:45):
M M.

Speaker 3 (06:46):
Yeah, So there you go.

Speaker 2 (06:48):
I doubt that it's been if it was treated by
MPI or math or whatever you want to call it,
or to quarantine people. I don't think it would be
it will it will only be on the surface.

Speaker 3 (06:58):
If you like, you know what I mean, too concerned.

Speaker 2 (07:03):
No, I won't be too concerned.

Speaker 4 (07:06):
I counted the rings and you just had to do
five at a time because they're that small. That the
rings are that small year and I mean, yeah, it's
it's been kiln dried ye dry, dry chip and and
burns like no one's going forward. I can't imagine if

(07:30):
it had been fumigated, it might be something nasty, that
was all.

Speaker 3 (07:34):
I don't think so.

Speaker 4 (07:36):
For bugs, wouldn't it wouldn't be like doing it in
a copper dip or anything.

Speaker 3 (07:40):
Its not going to hang around either. I think you'd
be right, Philip. But seriously, because glass often comes in
from Europe and these big packing crates as well. And
so I got some and had the I made it myself.
Actually the table that's lovely. Quite nice having a dining
table you made yourself, isn't yes?

Speaker 2 (08:01):
You? When I was working with Kiwi, I got I
went to you know, off off cuts often by here
and we in Rogan and I made our whole table
for because that was our headquarters where we were banding
Kiwi and looking after them and doing this, that and
the other thing and measuring them. Yeah, same sort of stuff.
We had a brilliant table.

Speaker 3 (08:22):
Fantastic right. Oh, the lines are open for you. Oh
eight hundred eighty ten eighty is the number to Caldrid
starlings under the hip corner ridge capping. They are nesting
in the safites. They hop into there via the guttering.
How can I get the nests out? Do I have
to wait until the chicks have left the nest remove
the Safit's Gavin from Canterbury.

Speaker 2 (08:42):
Yeah, that's probably that's probably a question that you would answer.
But what I would do is you w There's very
little you can do at the moment when they have
when they have young in the nest, because that's going
to smell if you close off, No, they'll die and
you gough, you know, so get rid of the young.
You'll find that that is about three weeks after the
eggs hatch. Yes, they'll be gone because I've got them

(09:04):
in my in my hah, I've got them in my
oil box, same albox. Yeah, I've got yes, I've got
the railings in an our box. Yeah, and they've just hatched.
So I'm waiting. I'll band them and then I'm going
to clean it up and close it up and get
the owls back, hopefully. But anyway, and that's what I

(09:25):
would do.

Speaker 3 (09:26):
I would yeah, wait, wait, let.

Speaker 2 (09:28):
It go till it's finished, and then then do the.

Speaker 3 (09:32):
Work because it is one of those things were only
reminded that birds have roosted inside the building somewhere or
around the perimeter of the building. When you hear the chirping,
that's right, And then it's like, oh, that's right. I
should have got rid of that nest. So yeah, I
can't bring myself to do it until I've gone and
then you just set you suffer a reminder to go
out there and get rid of it. I had exactly
the same thing evin Veranda bullnose. Veranda drops down into

(09:55):
the spouting. Birds would hop on the spouting nip underneath
the little bit of bullnose, hop up over the facier
into the little safite space, perfect spot for them. Took
me about two years of battling with them to lay
some mesh in there in such a way that they
couldn't move it. I had to end up cable tying

(10:17):
it to the brackets of the spouting because otherwise the
birds were so determined to get back to their nest
that they would lift it aside. They did, eventually, It
took me like three years. I kid you, not right.
We could take a break, then we'll talk to Warren.

(10:49):
I'm just looking at this text quickly before we talk
to Warren Starling's exclamation mark. Exclamation mark and another one
just to make sure we understood. Mine are now in
the ceiling, which is the floor of a two story house.
Help cry. They are determined, aren't they.

Speaker 2 (11:07):
Yeah, they love that area. Yeah, oh gosh, I know,
And Julie would add, they're almost as bad as blackbirds.

Speaker 3 (11:16):
This is yes, this one. We have a damned sparrow
intent on getting back to a previous nest which is
in the corner of the spouting. I fixed it with
a two dollars shop softball, just the right size malleable
and he cannot budget.

Speaker 5 (11:32):
Yeah.

Speaker 3 (11:32):
Yeah, oh that's fabulous. Oh loving those ticks, Warren, Good morning.

Speaker 5 (11:38):
Good morning. Oh well, my problem is not a birdman,
although I have suffered that in the past. Yes, I've
got heads swarming outside the house, and I mean, like
a good maybe you should feed them. The fish thing is,
what if they want to eat? Try honey? Nah? Don't

(12:00):
like honey? Oh really? But bacon fit?

Speaker 2 (12:03):
Nah?

Speaker 5 (12:04):
Don't like bacon fit? Well? What else? Well? Peanut butter?

Speaker 2 (12:10):
No?

Speaker 5 (12:10):
I mean what do I offer them? Filled steak, lobster
and freezoned underglass? What were they going to eat?

Speaker 2 (12:20):
When I was working for the Ministry of Agriculture, this
was in nineteen eighty something like that, we used to
make baits for two types of baits for nts, especially
the ones that came into your house, because generally speaking,
you have antstead like sweet materials in the hand instead
like proteins, and there's your protein so for protein, what

(12:42):
did we do with protein? We used the protein bait.
I'm just thinking what it was. The the for the
sweet thing it was, of course. Oh, the protein bait
was peanut butter or cooking oil. Peanut butter and cooking
oil together, six hundred and fifty. Here we got six
hundred and fifty grams of peanut butter, fifty milli liters

(13:03):
of cooking oil, sixty gram of borax, and sixty grams
of borec acid. You mix that well until the borax
and the boric acid are dissolved, and that is what
they take back to the queen.

Speaker 5 (13:19):
Okay, cooking oil. Yeah, run that through again.

Speaker 2 (13:23):
Peanut Okay, six hundred I've got so, I've got big.
I've got lots of big lots here for for houses,
if you like, six and fifty grams of peanut butter,
six fifty grands, fifty milli liters of.

Speaker 5 (13:36):
Cooking oil fifteen mil.

Speaker 2 (13:40):
Yeah, sixty grams of borax which you can get from
a chemist, I would say, yes, and sixty grams of
boric acid b O r C borrec acid. You mix
that well together and away you go and you put yeah,
and you put them in various little spots, because every

(14:03):
ant colony has its own territory, so they don't go
to somebody else's territory. So you need to have a
couple of places where you can feed them.

Speaker 5 (14:12):
No, I've so it's quite it's quite obvious where they
are and where their territories are. I've just got to
be able to take something. Okay, on the sweet side,
then I'd take it. They would normally like honey normally.

Speaker 2 (14:26):
No, the sweet bait is six hundred milli liters of water,
three hundred grams of sugar, sixty grams of honey, and
then the same sixty grams of borax and sixty grams
of boric acid that we discussed before.

Speaker 5 (14:48):
Okay, right, and you're running my rioting six hundred miles
of water. What was the next one?

Speaker 2 (14:55):
Three hundred grams of sugar.

Speaker 5 (14:57):
Three hundred gram.

Speaker 2 (14:59):
Sugar, sixty grams of honey.

Speaker 5 (15:04):
Oh, sixty grams of honey.

Speaker 2 (15:06):
Yeah, and then sixty x sixty boric acid like the
previous one.

Speaker 5 (15:12):
Yeah.

Speaker 2 (15:13):
Oh well, try it out. This is honestly, this is
nineteen eighty five, four five six. That's when I was
waiting for the Ministry of Agriculture, it's.

Speaker 3 (15:25):
A tried and trude recipe there, Warren.

Speaker 5 (15:27):
Yeah, well, the thing is, certainly there are lots of
lots of mixtures of box and resicated for sales. It's
just getting the other thing to put it in the well,
come and a little round. So I guess I just
have to put baits out of bait stations to try
and see whether they're going to go for the exit.

Speaker 3 (15:50):
Yeah, have a crack at Warren. I hope it works
out well for you. Gary. Good morning to you.

Speaker 4 (15:57):
It's good morning.

Speaker 5 (15:58):
I've put it.

Speaker 2 (15:59):
Tomato problem, sure, yeah, go on.

Speaker 4 (16:02):
I've got I.

Speaker 6 (16:03):
Live up the dead and taraniki sort of near the man,
and so I grow them in a glass. Yes, we
get a bit a bit longer season now. This year
I replaced all the soil with compost, which I've done
in the past, and there's no problem there. But the
tomatoes there a bit probably eighteen four hundred millimeters high,

(16:24):
and the new growth in them. We was away for
a few days and I think it got pretty hot,
but the new growth has cooled up really tightly and
they don't look very good at all. The old growth
is good. It's all nice and green and looking healthy,
but the new growth just just fightened up really tight.

Speaker 2 (16:43):
Gary. The thing that bothered me was you saying that
you put compost in your tunnel house or in your
glasshouse or whatever it is. And I think I think
people need to understand that just compost is maybe not
the best way to grow things like tomatoes and potatoes
and all the other beds and pieces. I grow tomatoes

(17:04):
in my tunnel house and I use only maybe a third,
maybe a bit more of compost and for the rest
really good soil, real soil.

Speaker 4 (17:16):
Yeah.

Speaker 2 (17:17):
Does that make sense to you?

Speaker 6 (17:20):
That does make sense.

Speaker 2 (17:21):
Yeah, And that'll give it a much more balanced way
of growing.

Speaker 3 (17:25):
Up if you like.

Speaker 4 (17:27):
Yeah.

Speaker 2 (17:29):
And then the other thing I do is I've watered
the plants in my tunnel house with water that is
mixed with seafood soup. Initially to start off growing that
is the wet and forget seafood soup. And then when
the plants are getting started setting fruits, that's when I
put seaweed tea in it. It contains more potash and

(17:49):
that helps the tomatoes grow nice and like the dunge, brilliant.

Speaker 3 (17:56):
All the very best, you Garry, you take care, and
so I reckon, we can do a quick en flies
on the tomato's very quickly.

Speaker 4 (18:05):
White flies on my plants that are doing well at
the moment, but that plant is right next to beehives.

Speaker 6 (18:10):
What can I use?

Speaker 2 (18:13):
White fly is easy to control literally with something like
what is that stuff called name oil? Absolutely, knee oil
is very good. There's another thing that I was going
to say, but knee oil would do absolutely, and do
it maybe every four or five days. That will That

(18:34):
way you get the young ones when they're not you
get the eggs coming out. You got them in the
next one five days later, do another one and another one.
And if you do the three or four times I reckon,
you will get out of it. I've done mine. Just
now that's there. You go.

Speaker 6 (18:47):
Ah.

Speaker 3 (18:48):
And when we say white flies, these things are tiny.
They're like two to three millimeters dust.

Speaker 2 (18:54):
Yeah, that's right, white fly, that's.

Speaker 3 (18:57):
What it is. Right, Yes, thank you. That solved the
mystery for me as well. Thank you.

Speaker 2 (19:02):
On the underside and the top side of the leaf,
so both sides of the leaf, you know, you give
it a week.

Speaker 3 (19:07):
Well that's brilliant. Oh that's good to know. Because there
I was fostering around in the garden and suddenly there's
this billowing cloud of these little white flies. There's a
little lime tree. Okay, so nim will yep. Awesome.

Speaker 2 (19:19):
You can do it.

Speaker 3 (19:20):
Even you can do it, even I can do it.
Now I will wait for your recipe.

Speaker 2 (19:25):
Oh yeah, the recipe.

Speaker 3 (19:26):
All right, well we'll do that next week as well. Eh.
All right, buddy, take care all of us see if folks,
thanks very much for your company today. It's been an
absolute pleasure. Next Sunday on the show, it'll be a
bit of a late start as well, because I think
there's another All Blacks match test match on, so but
we'll be here. We'll just wait patiently for the end
of the rugby and then we'll crack into it. Have
a great week, look after yourselves, Take care.

Speaker 2 (19:53):
Come it.

Speaker 1 (20:26):
For more from the Resident Builder with Peter Wolfcamp, listen
live to NEWSTALKSB on Sunday mornings from six, or follow
the podcast on iHeartRadio.
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