oh yes, that is the first thing on my agenda.... rings and ink all round 
/forum/images/graemlins/laughabove.gif
/forum/images/graemlins/laughabove.gif
Ever footlocked with a hoover on your back?
- Thread starter Mark_B.
- Start date
- Location
- Harderwijk The Netherlands
Thats a joke right jelte,
I'm a member of the KPB dutch ISA chapter and a member of jeltes leading men.
I've vacuumed caterpillars from trees to. It worked well but the next year they were back in greater numbers so we had to start all over again.
About the leaves they were sucked off but not in great numbers so we thought that if wouldn't hurt the tree. the bugs were gone so the job was done.
I'm a member of the KPB dutch ISA chapter and a member of jeltes leading men.
I've vacuumed caterpillars from trees to. It worked well but the next year they were back in greater numbers so we had to start all over again.
About the leaves they were sucked off but not in great numbers so we thought that if wouldn't hurt the tree. the bugs were gone so the job was done.
- Location
- Retired in Minneapolis
What other treatments were tried?
Would an insecticidal soap be enough to give them indigestion?
Would an insecticidal soap be enough to give them indigestion?
hey dutch monkey....
that was just a joke but for you i'm willing to make an acception /forum/images/graemlins/wink.gif
(which leading man are you then??) of in andere woorden wie ben jij?
Tom, a college of mine uses a spray system against the little critters, when they eat this stuff they crystalise from the inside out. Seems to work well 80-90% succsess rate.
that was just a joke
but for you i'm willing to make an acception /forum/images/graemlins/wink.gif(which leading man are you then??) of in andere woorden wie ben jij?
Tom, a college of mine uses a spray system against the little critters, when they eat this stuff they crystalise from the inside out. Seems to work well 80-90% succsess rate.
- Location
- Burnaby, BC
would that be a sort of diatomaceous earth (silicon dioxide) product? to ' crystalize ' them from the insides out?
that's a good question?? i'm not sure what it is.
i'll find out and post it.
i'll find out and post it.
actually, it's a sort of crystal bacteria that cuts through the intestine's of the caterpillar(so the caterpillar doesn't actually crytalize) the crystal kills it. It's a biological product called bacterial thuringeanses.
- Location
- Burnaby, BC
possibly Bacillus thuringiensis (var. Kurstaki?, Israelensis?) I was under the impression that BTk was more like an influenza for caterpillers, they ingest some of the foliage that has the BTk upon it , they get a bit sick and die over a few days. all in all as long as the little buggers are eliminated it doesnt really matter .
seems you know more about it then me, but thats the stuff he uses
like you say, as long as the suckers die.....
like you say, as long as the suckers die.....
- Location
- Santa Cruz, CA
B. thuringiensis spp. (strains):
aizawai => wax moth larva control bacterium.
israelensis => fly larva control bacterium.
kurstaki => caterpillar larva control bacterium.
san diego or tenebrionis => leaf beetle control bacterium
From a CA ANR document:
"A Bt protein crystal destroys the insects guts" ...
"... infected insects become lethargic, stop feeding and excrete
liquid."
Bt may be effective for control but as I understand it,
application timing and spray coverage are important and the
bacterium needs to be eaten to work. A vacuum might work
better in case of infestation.
I have a microscope slide of the stuff somewhere...
aizawai => wax moth larva control bacterium.
israelensis => fly larva control bacterium.
kurstaki => caterpillar larva control bacterium.
san diego or tenebrionis => leaf beetle control bacterium
From a CA ANR document:
"A Bt protein crystal destroys the insects guts" ...
"... infected insects become lethargic, stop feeding and excrete
liquid."
Bt may be effective for control but as I understand it,
application timing and spray coverage are important and the
bacterium needs to be eaten to work. A vacuum might work
better in case of infestation.
I have a microscope slide of the stuff somewhere...
- Location
- Harderwijk The Netherlands
HI jelte
I'm Frank your PR guy
Didn't think it was me right.
By the way, Alex would like some rings i think
I'm Frank your PR guy
Didn't think it was me right.
By the way, Alex would like some rings i think
hey Frank..... i knew that i was just testing you...
good to have another kpb'er on the web.
as for Alex... i'll get him on tuesday /forum/images/graemlins/croc.gif
i was just testing you...good to have another kpb'er on the web.
as for Alex... i'll get him on tuesday /forum/images/graemlins/croc.gif
- Location
- Burnaby, BC
Bt var israelensis is registered up here as mosquito larvae control. vague instructions as per application rates and such.
